Pub Date : 2022-12-28DOI: 10.13102/sociobiology.v69i4.8536
J. Demetriou, C. Georgiadis, H. Roy, A. Martinou, L. Borowiec, S. Salata
Native to the Neotropics, Wasmannia auropunctata (Roger, 1863) has been unintentionally introduced around the world, heavily impacting native ant biodiversity, societies, and economies as well as human and animal health due to its potentially dangerous stings. Herein we report on the first record of W. auropunctata in Cyprus. Specimens were collected from plant nurseries and tourist facilities in Paphos and Limassol district. Wasmannia auropunctata is believed to spread via the horticultural pathway to locations with sufficient humidity. Further research is necessary to determine the distribution and assess possible negative impacts of W. auropunctata to native biodiversity, society, the economy and human health in Cyprus.
{"title":"One of the World’s Worst Invasive Alien Species Wasmannia auropunctata (Hymenoptera: Formicidae) Detected in Cyprus","authors":"J. Demetriou, C. Georgiadis, H. Roy, A. Martinou, L. Borowiec, S. Salata","doi":"10.13102/sociobiology.v69i4.8536","DOIUrl":"https://doi.org/10.13102/sociobiology.v69i4.8536","url":null,"abstract":"Native to the Neotropics, Wasmannia auropunctata (Roger, 1863) has been unintentionally introduced around the world, heavily impacting native ant biodiversity, societies, and economies as well as human and animal health due to its potentially dangerous stings. Herein we report on the first record of W. auropunctata in Cyprus. Specimens were collected from plant nurseries and tourist facilities in Paphos and Limassol district. Wasmannia auropunctata is believed to spread via the horticultural pathway to locations with sufficient humidity. Further research is necessary to determine the distribution and assess possible negative impacts of W. auropunctata to native biodiversity, society, the economy and human health in Cyprus.","PeriodicalId":21971,"journal":{"name":"Sociobiology","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2022-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48875639","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-12-28DOI: 10.13102/sociobiology.v69i4.7522
Maurice Fabian Scaloppi, S. M. Kadri, Daniel Diego Mendes, P. Ribolla, R. O. Orsi
Migratory beekeeping can harm the bee colonies if not executed properly. Here, colonies of Apis mellifera were transported (for one or two hours) or not, following proper technical standards. To analyze gene expression (defensin-1, abaecin, and HSP70), forager bees were collected immediately, 24, and 72 hours after transportation. Bee mortality and population growth were measured before and after transportation. This study concludes that transporting honey bee colonies for 2 hours promotes immune system gene expression, although there are no significant changes in bee mortality and population growth of the colonies.
{"title":"Colony Transport Affects the Expression of Some Genes Related to the Apis mellifera L. Immune System","authors":"Maurice Fabian Scaloppi, S. M. Kadri, Daniel Diego Mendes, P. Ribolla, R. O. Orsi","doi":"10.13102/sociobiology.v69i4.7522","DOIUrl":"https://doi.org/10.13102/sociobiology.v69i4.7522","url":null,"abstract":"Migratory beekeeping can harm the bee colonies if not executed properly. Here, colonies of Apis mellifera were transported (for one or two hours) or not, following proper technical standards. To analyze gene expression (defensin-1, abaecin, and HSP70), forager bees were collected immediately, 24, and 72 hours after transportation. Bee mortality and population growth were measured before and after transportation. This study concludes that transporting honey bee colonies for 2 hours promotes immune system gene expression, although there are no significant changes in bee mortality and population growth of the colonies.","PeriodicalId":21971,"journal":{"name":"Sociobiology","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2022-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44832406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-12-28DOI: 10.13102/sociobiology.v69i4.8317
Marcos Magalhães de Souza, Norma Barbado, J. D. Almeida, G. Teófilo-Guedes, J. C. Zanuncio
Colony defense by social wasps includes aggressive behavior and camouflage with a high diversity of adaptation of their nests to the environment, including substrate choice. The objective of this study was to present new data on nesting and colony defense by the Neotropical social wasps Metapolybia cingulata and Metapolybia docilis (Hymenoptera: Vespidae). Field observations were made on January 4th and 5th, 2022 at the State Park of Iguaçu, state of Paraná, Brazil, on M. cingulata and M. docilis nests and information on nesting of these wasps obtained in 2014 at the Pandeiros River Wildlife Refuge (REVIS), and in 2012 at the Rio Doce State Park, state of Minas Gerais, Brazil. The types of substrates used by M. cingulata and M. docilis reinforce the importance of nest camouflage as a defense strategy for their colonies. The selection of nesting sites by these species was very variable.
{"title":"Nest camouflage in Metapolybia cingulata and nesting and colony defensive behavior in Metapolybia docilis (Vespidae: Polistinae) in the Brazilian Atlantic Forest","authors":"Marcos Magalhães de Souza, Norma Barbado, J. D. Almeida, G. Teófilo-Guedes, J. C. Zanuncio","doi":"10.13102/sociobiology.v69i4.8317","DOIUrl":"https://doi.org/10.13102/sociobiology.v69i4.8317","url":null,"abstract":"Colony defense by social wasps includes aggressive behavior and camouflage with a high diversity of adaptation of their nests to the environment, including substrate choice. The objective of this study was to present new data on nesting and colony defense by the Neotropical social wasps Metapolybia cingulata and Metapolybia docilis (Hymenoptera: Vespidae). Field observations were made on January 4th and 5th, 2022 at the State Park of Iguaçu, state of Paraná, Brazil, on M. cingulata and M. docilis nests and information on nesting of these wasps obtained in 2014 at the Pandeiros River Wildlife Refuge (REVIS), and in 2012 at the Rio Doce State Park, state of Minas Gerais, Brazil. The types of substrates used by M. cingulata and M. docilis reinforce the importance of nest camouflage as a defense strategy for their colonies. The selection of nesting sites by these species was very variable.","PeriodicalId":21971,"journal":{"name":"Sociobiology","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2022-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45044798","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-12-28DOI: 10.13102/sociobiology.v69i4.7238
M. Ranjith, M. M. Rocha, C. M. Kalleshwaraswamy, J. Ware, R. Salas
Until now, the occurrence of Pericapritermes ceylonicus (Holmgren) was not confirmed in the Indian mainland. Here, we document the occurrence of this species from Karnataka state constituting its first report from India. The species was identified based on the soldier caste, and the worker characters were described for the first time, including the digestive tube and enteric valve armature. The enteric valve was characterized by the presence of gradually reducing triangular spines. The study provides the basis for further taxonomic characterization of Pericapritermes occurring in India using gut morphology of workers.
{"title":"Redescription of Pericapritermes ceylonicus (Holmgren, 1911) (Blattodea, Isoptera, Termitidae) and First Record from India","authors":"M. Ranjith, M. M. Rocha, C. M. Kalleshwaraswamy, J. Ware, R. Salas","doi":"10.13102/sociobiology.v69i4.7238","DOIUrl":"https://doi.org/10.13102/sociobiology.v69i4.7238","url":null,"abstract":"Until now, the occurrence of Pericapritermes ceylonicus (Holmgren) was not confirmed in the Indian mainland. Here, we document the occurrence of this species from Karnataka state constituting its first report from India. The species was identified based on the soldier caste, and the worker characters were described for the first time, including the digestive tube and enteric valve armature. The enteric valve was characterized by the presence of gradually reducing triangular spines. The study provides the basis for further taxonomic characterization of Pericapritermes occurring in India using gut morphology of workers.","PeriodicalId":21971,"journal":{"name":"Sociobiology","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2022-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45293638","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-12-28DOI: 10.13102/sociobiology.v69i4.8268
V. Janei, A. M. Costa‐Leonardo
This is the first record of gregarine infection in the worker midgut of the Neotropical termites Ruptitermes pitan and Ruptitermes reconditus. Gregarines have already been described in the gut and hemocoel in workers of other termite species, and although these protozoa are not able to kill these insects, they may affect their fitness. In the present study, gregarines were only observed in the gut lumen or linked to the midgut wall of termite workers. Histological sections of the worker midgut of Ruptitermes spp. showed three phases of the gregarine life cycle with the same individual worker displayed up to 4 gamonts and 2 trophozoites.
{"title":"Occurrence of Gregarines (Protozoa: Apicomplexa) in the Neotropical Soldierless Ruptitermes spp. (Isoptera, Termitidae, Apicotermitinae)","authors":"V. Janei, A. M. Costa‐Leonardo","doi":"10.13102/sociobiology.v69i4.8268","DOIUrl":"https://doi.org/10.13102/sociobiology.v69i4.8268","url":null,"abstract":"This is the first record of gregarine infection in the worker midgut of the Neotropical termites Ruptitermes pitan and Ruptitermes reconditus. Gregarines have already been described in the gut and hemocoel in workers of other termite species, and although these protozoa are not able to kill these insects, they may affect their fitness. In the present study, gregarines were only observed in the gut lumen or linked to the midgut wall of termite workers. Histological sections of the worker midgut of Ruptitermes spp. showed three phases of the gregarine life cycle with the same individual worker displayed up to 4 gamonts and 2 trophozoites.","PeriodicalId":21971,"journal":{"name":"Sociobiology","volume":"42 3","pages":""},"PeriodicalIF":0.9,"publicationDate":"2022-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41283558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-11-28DOI: 10.13102/sociobiology.v69i4.8251
P. Vit, B. Chuttong, N. Zawawi, María Nieves Saldaña Díaz, Jane van der Meulen, H. F. Ahmad, F. Tomás-Barberán, Gina Meccia, K. Danmek, J. E. Moreno, D. Roubik, O. Barth, D. Lachenmeier, M. Engel
This novel review of analytical methods for pot-honey research was intended to provide concise references to a 35-day post-harvest experiments at 30 °C, in an integrated study. Diverse methods were selected from specialized literature, from the AOAC (Association of Official Analytical Chemists), and the International Honey Commission. Besides the geographical and seasonal origin, the pot-honey I.D. consists of entomological and botanical identifications, the latter performed by acetolyzed or natural melissopalynology. The methods of this integrative study included: 1. Physicochemical analysis (Aw, color, moisture, pH, free acidity, lactone acidity, total acidity, hydroxymethylfurfural (HMF), and sugars by highperformance liquid chromatography HPLC), 2. Targeted proton nuclear magnetic resonance 1H-NMR metabolomics (sugars, ethanol, HMF, aliphatic organic acids, amino acids, and botanical markers), 3. Biochemical composition (flavonoids, polyphenols), 4. Antioxidant activity (ABTS 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid-free radical scavenging assay, DPPH 2,2-diphenyl-1-picrylhydrazyl radical scavenging assay, ferric reduction assay FRAP), 5. Microbial counts (aerobic plate, yeast and mold, Bacillus, and lactic acid bacteria count), 6. Honey microbiome profiling via independent-culture method: high-throughput bacteria and fungi based on amplicon sequencing approaches, 7. Sensory evaluation (odor, aroma, taste, persistence), and 8. Honey authenticity and biosurfactant tests by an interphase emulsion. A further section was included to provide basic information on the results obtained using each method. This was needed to explain the interacting components derived from pot-honey processing within the stingless bee nest and post-harvest transformations.
{"title":"A Novel Integrative Methodology for Research on Pot-honey Variations During Post-harvest","authors":"P. Vit, B. Chuttong, N. Zawawi, María Nieves Saldaña Díaz, Jane van der Meulen, H. F. Ahmad, F. Tomás-Barberán, Gina Meccia, K. Danmek, J. E. Moreno, D. Roubik, O. Barth, D. Lachenmeier, M. Engel","doi":"10.13102/sociobiology.v69i4.8251","DOIUrl":"https://doi.org/10.13102/sociobiology.v69i4.8251","url":null,"abstract":"This novel review of analytical methods for pot-honey research was intended to provide concise references to a 35-day post-harvest experiments at 30 °C, in an integrated study. Diverse methods were selected from specialized literature, from the AOAC (Association of Official Analytical Chemists), and the International Honey Commission. Besides the geographical and seasonal origin, the pot-honey I.D. consists of entomological and botanical identifications, the latter performed by acetolyzed or natural melissopalynology. The methods of this integrative study included: 1. Physicochemical analysis (Aw, color, moisture, pH, free acidity, lactone acidity, total acidity, hydroxymethylfurfural (HMF), and sugars by highperformance liquid chromatography HPLC), 2. Targeted proton nuclear magnetic resonance 1H-NMR metabolomics (sugars, ethanol, HMF, aliphatic organic acids, amino acids, and botanical markers), 3. Biochemical composition (flavonoids, polyphenols), 4. Antioxidant activity (ABTS 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid-free radical scavenging assay, DPPH 2,2-diphenyl-1-picrylhydrazyl radical scavenging assay, ferric reduction assay FRAP), 5. Microbial counts (aerobic plate, yeast and mold, Bacillus, and lactic acid bacteria count), 6. Honey microbiome profiling via independent-culture method: high-throughput bacteria and fungi based on amplicon sequencing approaches, 7. Sensory evaluation (odor, aroma, taste, persistence), and 8. Honey authenticity and biosurfactant tests by an interphase emulsion. A further section was included to provide basic information on the results obtained using each method. This was needed to explain the interacting components derived from pot-honey processing within the stingless bee nest and post-harvest transformations.","PeriodicalId":21971,"journal":{"name":"Sociobiology","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2022-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47663443","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-11-28DOI: 10.13102/sociobiology.v69i4.7843
L. Lopes, C. Mariano, J. Delabie, J. G. Silva
Blepharidatta is a rare Neotropical ant genus in the Attini tribe of the subfamily Myrmicinae. It has only four valid species and among them Blepharidatta delabiei was recently described and there is little knowledge on its biology. This study is the first cytogenetic characterization for the genus Blepharidatta and also presents the biology of B. delabiei. Cytogenetic analyses revealed a karyotype 2n = 28 with acrocentric and metacentric chromosomes and a karyotypic formula (m: metacentric, a: acrocentric): 2K = 16m + 12a. We observed that ants of this species have diurnal habits with higher foraging activity in the afternoon and are possibly omnivorous as they accepted the baits used. The distance between colonies varied from 5 to 7 meters.
{"title":"First Cytogenetic Study Through Conventional Staining of The Ant Genus Blepharidatta Wheeler, 1915 (Hymenoptera: Formicidae: Attini)","authors":"L. Lopes, C. Mariano, J. Delabie, J. G. Silva","doi":"10.13102/sociobiology.v69i4.7843","DOIUrl":"https://doi.org/10.13102/sociobiology.v69i4.7843","url":null,"abstract":"Blepharidatta is a rare Neotropical ant genus in the Attini tribe of the subfamily Myrmicinae. It has only four valid species and among them Blepharidatta delabiei was recently described and there is little knowledge on its biology. This study is the first cytogenetic characterization for the genus Blepharidatta and also presents the biology of B. delabiei. Cytogenetic analyses revealed a karyotype 2n = 28 with acrocentric and metacentric chromosomes and a karyotypic formula (m: metacentric, a: acrocentric): 2K = 16m + 12a. We observed that ants of this species have diurnal habits with higher foraging activity in the afternoon and are possibly omnivorous as they accepted the baits used. The distance between colonies varied from 5 to 7 meters.","PeriodicalId":21971,"journal":{"name":"Sociobiology","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2022-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43894907","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-11-28DOI: 10.13102/sociobiology.v69i4.7901
P. Balzani, F. Frizzi, A. Masoni, G. Santini
Red wood ants are ecologically dominant species that affect the composition of the invertebrate community. In the past century, one of these species, Formica paralugubris (Seifert 1996), was introduced outside its native area (the Alps), in the Apennines (Italy). Here we investigated the effect of the presence of an introduced population of F. paralugubris on the frequency of nests of other ant species in Abetone, Central Apennines. Ant nests were found only in the area unoccupied by F. paralugubris. In this area, we also found one pleometrotic association between queens of Lasius flavus (Fabricius, 1782) and two plesiobiotic associations, one between Formica fusca (Linnaeus, 1758) and L. flavus and the other one between Myrmica ruginodis (Nylander, 1846) and L. flavus. This latter is the first plesiobiotic relationship reported between these two species, the second reported for M. ruginodis and the 10th for L. flavus. Additionally, this is the first plesiobiotic association reported for the Mediterranean region and Southern Europe.
{"title":"The Effect of the Introduced Red Wood Ant Formica paralugubris on the Frequency of Ant Nests and First Plesiobiotic Association between Myrmica ruginodis (Nylander, 1846) and Lasius flavus (Fabricius, 1782)","authors":"P. Balzani, F. Frizzi, A. Masoni, G. Santini","doi":"10.13102/sociobiology.v69i4.7901","DOIUrl":"https://doi.org/10.13102/sociobiology.v69i4.7901","url":null,"abstract":"Red wood ants are ecologically dominant species that affect the composition of the invertebrate community. In the past century, one of these species, Formica paralugubris (Seifert 1996), was introduced outside its native area (the Alps), in the Apennines (Italy). Here we investigated the effect of the presence of an introduced population of F. paralugubris on the frequency of nests of other ant species in Abetone, Central Apennines. Ant nests were found only in the area unoccupied by F. paralugubris. In this area, we also found one pleometrotic association between queens of Lasius flavus (Fabricius, 1782) and two plesiobiotic associations, one between Formica fusca (Linnaeus, 1758) and L. flavus and the other one between Myrmica ruginodis (Nylander, 1846) and L. flavus. This latter is the first plesiobiotic relationship reported between these two species, the second reported for M. ruginodis and the 10th for L. flavus. Additionally, this is the first plesiobiotic association reported for the Mediterranean region and Southern Europe.","PeriodicalId":21971,"journal":{"name":"Sociobiology","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2022-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45788705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-29DOI: 10.13102/sociobiology.v69i3.8261
P. Miranda, J. E. L. S. Ribeiro, Erick J. Corro, Izaias Brasil, J. Delabie, W. Dáttilo
Rainforest fragmentation drastically affects biodiversity and species composition, mainly due to habitat loss. Several studies have already shown the effects of forest fragmentation on plant and ant communities. To date, however, there is limited empirical knowledge of how forest fragmentation affects ant-plant interaction in networks. We investigated the effects of the configuration of rainforest fragments on the structure of ant-plant interaction networks mediated by extrafloral nectaries (EFNs). We carried out this study in ten forest fragments, ranging in size from approximately 5 to 3,000 ha, located in the Brazilian Amazon. In each fragment we established a plot of 6,250 m2, in which all ant-plant interactions were recorded, and calculated the following network descriptors: number of interactions, network size, network specialization, diversity of interactions, and nestedness. We used four explanatory variables to investigate the effects of forest fragmentation on these network descriptors: three metrics of the configuration of fragments (i.e., fragment area, edge irregularity, and connectivity) and the forest structure within each fragment, represented by canopy cover. We did not detect any effect of the explanatory variables on the network descriptors. The structural stability of the networks sampled in forest fragments with different configurations is possibly related to the observed constancy of ant species in the central core of highly interacting species. Our results corroborate other studies highlighting the structural stability of these facultative ant-plant networks mediated by EFNs in different spatial and temporal gradients. Nonetheless, the low constancy of plant species in the generalist core should be understood as a warning, mainly because the functionality of this protective mutualism (i.e., food secretions in exchange for protection against herbivory) remains unknown.
{"title":"Structural Stability of Ant-plant Mutualistic Networks Mediated by Extrafloral Nectaries: Looking at the Effects of Forest Fragmentation in the Brazilian Amazon","authors":"P. Miranda, J. E. L. S. Ribeiro, Erick J. Corro, Izaias Brasil, J. Delabie, W. Dáttilo","doi":"10.13102/sociobiology.v69i3.8261","DOIUrl":"https://doi.org/10.13102/sociobiology.v69i3.8261","url":null,"abstract":"Rainforest fragmentation drastically affects biodiversity and species composition, mainly due to habitat loss. Several studies have already shown the effects of forest fragmentation on plant and ant communities. To date, however, there is limited empirical knowledge of how forest fragmentation affects ant-plant interaction in networks. We investigated the effects of the configuration of rainforest fragments on the structure of ant-plant interaction networks mediated by extrafloral nectaries (EFNs). We carried out this study in ten forest fragments, ranging in size from approximately 5 to 3,000 ha, located in the Brazilian Amazon. In each fragment we established a plot of 6,250 m2, in which all ant-plant interactions were recorded, and calculated the following network descriptors: number of interactions, network size, network specialization, diversity of interactions, and nestedness. We used four explanatory variables to investigate the effects of forest fragmentation on these network descriptors: three metrics of the configuration of fragments (i.e., fragment area, edge irregularity, and connectivity) and the forest structure within each fragment, represented by canopy cover. We did not detect any effect of the explanatory variables on the network descriptors. The structural stability of the networks sampled in forest fragments with different configurations is possibly related to the observed constancy of ant species in the central core of highly interacting species. Our results corroborate other studies highlighting the structural stability of these facultative ant-plant networks mediated by EFNs in different spatial and temporal gradients. Nonetheless, the low constancy of plant species in the generalist core should be understood as a warning, mainly because the functionality of this protective mutualism (i.e., food secretions in exchange for protection against herbivory) remains unknown.","PeriodicalId":21971,"journal":{"name":"Sociobiology","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2022-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48363309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-12DOI: 10.13102/sociobiology.v69i3.7878
A. C. Queiroz, L. P. Prado, Rafael Almeida Cesarino, G. Santiago, Cynthia Valéria Oliveira, M. A. Rabelo, C. Ribas
Habitat transformation and species loss bring enormous environmental damage, whereas establishing protected areas promotes more sustainable use of environmental resources through biodiversity conservation. In this study, we aimed to point out gaps in ant knowledge and provide a species checklist that contributes to biodiversity conservation in the transition areas between Cerrado and Caatinga biomes, constantly threatened by land use changes. This checklist integrates data from previous studies developed at “Área de Proteção Ambiental do Rio Pandeiros” (APA Pandeiros), Minas Gerais, Brazil, involving ant diversity and their contribution to ecological processes accessed and described in the studies. We showed and discussed how authors managed and provided information regarding methodologies and habitats sampled. We listed 143 ant species formally named. Pheidole, Camponotus and Cephalotes were the most speciose genera, with more than ten species each. Among ants involved in ecological processes, 40 are linked to diaspore removal (part of seed dispersal) and 30 to carcass interaction (part of the decomposition process). Unbaited pitfall traps, epigeic stratum and Cerrado sensu stricto, were the top sampling method, stratum, and habitats among ant studies. We presented proposals for the best management and integration of data from surveys in APA Pandeiros (e.g., sharing the results of the studies with the APA managers, creating a database, and the local community). These surveys are fundamental for understanding biodiversity and ecological processes and provide valuable information to conservation biology. Therefore, neglecting the importance of the Cerrado-Caatinga transition can lead to irreparable setbacks for scientific knowledge and biodiversity.
栖息地的转变和物种的消失带来了巨大的环境破坏，而保护区的建立通过保护生物多样性促进了环境资源的更可持续利用。在这项研究中，我们旨在指出蚂蚁知识的空白，并提供一个物种清单，有助于Cerrado和Caatinga生物群落之间过渡地区的生物多样性保护，这些地区不断受到土地利用变化的威胁。这份清单整合了先前在巴西米纳斯吉拉斯州“Área de prote o Ambiental do里约热内卢Pandeiros”(APA Pandeiros)开展的研究数据，涉及蚂蚁多样性及其对研究中获取和描述的生态过程的贡献。我们展示并讨论了作者如何管理和提供有关采样方法和栖息地的信息。我们列出了143种正式命名的蚂蚁。Pheidole、Camponotus和cephalalotes属最多，各有10余种。在参与生态过程的蚂蚁中，有40种与一水硬石清除(种子传播的一部分)有关，30种与尸体相互作用(分解过程的一部分)有关。在蚁群研究中，无饵陷阱、表生层和严格感塞拉多是最主要的采样方法、层位和生境。我们提出了APA Pandeiros调查数据的最佳管理和整合建议(例如，与APA管理人员共享研究结果，创建数据库和当地社区)。这些调查是了解生物多样性和生态过程的基础，并为保护生物学提供有价值的信息。因此，忽视塞拉多-卡廷加过渡的重要性可能导致科学知识和生物多样性遭受无法弥补的挫折。
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