Pub Date : 2017-11-01DOI: 10.1163/1876312X-48022162
F. Vencl, Xin Luan, Xinhua Fu, L. Maroja
Fireflies in the genus Photinus are well regarded for their luminescent nocturnal courtship displays. Here we report on a new firefly species, Photinus interdius, which is remarkable for its fully diurnal and luminescent courtship protocol. Males slowly flew near the ground searching for receptive females and emitted 800 ms, bright yellow light flashes at 3–4-s intervals. Male flights occurred as early as 13:10 and ceased before 18:00. We sequenced two mitochondrial loci and one genomic locus and combined these with those from 99 specimens representing 45 Photinus and 25 related firefly species. Bayesian inference resulted in a well-resolved phylogeny that placed this new species as the closest relative of, but basal to the Photinus clade. We propose that the adaptive significance of this extraordinary temporal shift in courtship niche is the outcome of a selective landscape that has optimized the trade-off between reduced predation risk and ease of mate-localization.
{"title":"A day-flashing Photinus firefly (Coleoptera: Lampyridae) from central Panamá: an emergent shift to predator-free space?","authors":"F. Vencl, Xin Luan, Xinhua Fu, L. Maroja","doi":"10.1163/1876312X-48022162","DOIUrl":"https://doi.org/10.1163/1876312X-48022162","url":null,"abstract":"Fireflies in the genus Photinus are well regarded for their luminescent nocturnal courtship displays. Here we report on a new firefly species, Photinus interdius, which is remarkable for its fully diurnal and luminescent courtship protocol. Males slowly flew near the ground searching for receptive females and emitted 800 ms, bright yellow light flashes at 3–4-s intervals. Male flights occurred as early as 13:10 and ceased before 18:00. We sequenced two mitochondrial loci and one genomic locus and combined these with those from 99 specimens representing 45 Photinus and 25 related firefly species. Bayesian inference resulted in a well-resolved phylogeny that placed this new species as the closest relative of, but basal to the Photinus clade. We propose that the adaptive significance of this extraordinary temporal shift in courtship niche is the outcome of a selective landscape that has optimized the trade-off between reduced predation risk and ease of mate-localization.","PeriodicalId":54975,"journal":{"name":"Insect Systematics & Evolution","volume":"48 1","pages":"512-531"},"PeriodicalIF":1.2,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1163/1876312X-48022162","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45503782","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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 : 2017-11-01DOI: 10.1163/1876312X-48022161
Robin Kundrata, L. Bocak
The first comprehensive survey of the Cameroonian Drilini fauna is presented. High diversity was identified in the zone of tropical rain forest and five genera are proposed: Flabelloselasia gen. n., Kupeselasia gen. n., Lolosia gen. n., Microselasia gen. n., and Wittmerselasia gen. n. with the subgenus Latoselasia subgen. n. The following species are described: Flabelloselasia oculata sp. n., Kupeselasia minuta sp. n., Lolosia transversalis sp. n., Microselasia barombi sp. n., M. elongata sp. n., M. gracilis sp. n., M. grandis sp. n., M. kupensis sp. n., M. lolodorfensis sp. n., M. macrocephala sp. n., M. obscura sp. n., M. pseudograndis sp. n., Wittmerselasia camerooniana sp. n., W. davidsoni sp. n., W. geiseri sp. n., W. variabilis sp. n., and W. (Latoselasia) similis sp. n. Selasia maculataWittmer, 1989 is redescribed and transferred to Wittmerselasia gen. n. as W. maculata (Wittmer, 1989), comb. n. Taxonomically important characters are illustrated for all genera and species and an identification key for Drilini from Cameroon is provided.
{"title":"Taxonomic review of Drilini (Elateridae: Agrypninae) in Cameroon reveals high morphological diversity, including the discovery of five new genera","authors":"Robin Kundrata, L. Bocak","doi":"10.1163/1876312X-48022161","DOIUrl":"https://doi.org/10.1163/1876312X-48022161","url":null,"abstract":"The first comprehensive survey of the Cameroonian Drilini fauna is presented. High diversity was identified in the zone of tropical rain forest and five genera are proposed: Flabelloselasia gen. n., Kupeselasia gen. n., Lolosia gen. n., Microselasia gen. n., and Wittmerselasia gen. n. with the subgenus Latoselasia subgen. n. The following species are described: Flabelloselasia oculata sp. n., Kupeselasia minuta sp. n., Lolosia transversalis sp. n., Microselasia barombi sp. n., M. elongata sp. n., M. gracilis sp. n., M. grandis sp. n., M. kupensis sp. n., M. lolodorfensis sp. n., M. macrocephala sp. n., M. obscura sp. n., M. pseudograndis sp. n., Wittmerselasia camerooniana sp. n., W. davidsoni sp. n., W. geiseri sp. n., W. variabilis sp. n., and W. (Latoselasia) similis sp. n. Selasia maculataWittmer, 1989 is redescribed and transferred to Wittmerselasia gen. n. as W. maculata (Wittmer, 1989), comb. n. Taxonomically important characters are illustrated for all genera and species and an identification key for Drilini from Cameroon is provided.","PeriodicalId":54975,"journal":{"name":"Insect Systematics & Evolution","volume":"48 1","pages":"441-492"},"PeriodicalIF":1.2,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1163/1876312X-48022161","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48692523","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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 : 2017-11-01DOI: 10.1163/1876312X-48022160
J. Prokop, J. Kukalová-Peck
New insects are described from the early Asselian of the Bursum Formation in Carrizo Arroyo, NM, USA. Carrizoneura carpenteri gen. et sp. nov. (Syntonopteridae) demonstrates traits in hindwing venation to Lithoneura and Syntonoptera , both known from the Moscovian of Illinois. Carrizoneura represents the latest unambiguous record of Syntonopteridae. Martynovia insignis represents the earliest evidence of Martynoviidae. Carrizodiaphanoptera permiana gen. et sp. nov. extends range of Diaphanopteridae previously restricted to Gzhelian. The re-examination of the type species Diaphanoptera munieri reveals basally coalesced vein MA with stem of R and RP resulting in family diagnosis emendation. Arroyohymen splendens gen. et sp. nov. (Protohymenidae) displays features in venation similar to taxa known from early and late Permian from the USA and Russia. A new palaeodictyopteran wing attributable to Carrizopteryx cf. arroyo (Calvertiellidae) provides data on fore wing venation previously unknown. Thus, all these new discoveries show close relationship between late Pennsylvanian and early Permian entomofaunas.
{"title":"New insects from the earliest Permian of Carrizo Arroyo (New Mexico, USA) bridging the gap between the Carboniferous and Permian entomofaunas","authors":"J. Prokop, J. Kukalová-Peck","doi":"10.1163/1876312X-48022160","DOIUrl":"https://doi.org/10.1163/1876312X-48022160","url":null,"abstract":"New insects are described from the early Asselian of the Bursum Formation in Carrizo Arroyo, NM, USA. Carrizoneura carpenteri gen. et sp. nov. (Syntonopteridae) demonstrates traits in hindwing venation to Lithoneura and Syntonoptera , both known from the Moscovian of Illinois. Carrizoneura represents the latest unambiguous record of Syntonopteridae. Martynovia insignis represents the earliest evidence of Martynoviidae. Carrizodiaphanoptera permiana gen. et sp. nov. extends range of Diaphanopteridae previously restricted to Gzhelian. The re-examination of the type species Diaphanoptera munieri reveals basally coalesced vein MA with stem of R and RP resulting in family diagnosis emendation. Arroyohymen splendens gen. et sp. nov. (Protohymenidae) displays features in venation similar to taxa known from early and late Permian from the USA and Russia. A new palaeodictyopteran wing attributable to Carrizopteryx cf. arroyo (Calvertiellidae) provides data on fore wing venation previously unknown. Thus, all these new discoveries show close relationship between late Pennsylvanian and early Permian entomofaunas.","PeriodicalId":54975,"journal":{"name":"Insect Systematics & Evolution","volume":"48 1","pages":"493-511"},"PeriodicalIF":1.2,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1163/1876312X-48022160","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43433515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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 : 2017-10-18DOI: 10.1163/1876312X-00002169
S. Gamboa, V. Ortuño
Limodromus emetikos sp. n. (Coleoptera: Carabidae) is described and illustrated from Baltic amber (Eocene). Based on its morphological features, the new species is considered a sister taxon of the extant Holarctic assimilis species group. Furthermore, the specimen described here could represent a case of stress-triggered regurgitation, which would represent the first fossil record of such a process in beetles.
{"title":"A new fossil species of the genus Limodromus Motschulsky, 1850 (Coleoptera: Carabidae: Platynini) from Baltic amber with remarks on its death process","authors":"S. Gamboa, V. Ortuño","doi":"10.1163/1876312X-00002169","DOIUrl":"https://doi.org/10.1163/1876312X-00002169","url":null,"abstract":"\u0000Limodromus emetikos\u0000sp. n. (Coleoptera: Carabidae) is described and illustrated from Baltic amber (Eocene). Based on its morphological features, the new species is considered a sister taxon of the extant Holarctic assimilis species group. Furthermore, the specimen described here could represent a case of stress-triggered regurgitation, which would represent the first fossil record of such a process in beetles.","PeriodicalId":54975,"journal":{"name":"Insect Systematics & Evolution","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2017-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1163/1876312X-00002169","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44674326","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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 : 2017-10-18DOI: 10.1163/1876312X-00002174
M. S. Kraemer, B. Brown
Male specimens of the phorid fly genus Dohrniphora Dahl from Miocene Mexican and Dominican amber are revised and described. This is the first systematic revision of the fossil species, and 11 new species are recognized from two Dohrniphora groups: those with and without large hind tibial setae. The group lacking hind tibial setae is notably more diverse and frequent in amber than those with such setae. Swarming behavior in Dohrniphora females is noted for the first time. Probably, these females were frequently attracted in large numbers to dead and decaying insects and other animals trapped in resin. Another phorid genus with similar habits, Puliciphora, frequently co-occurs in amber pieces containing Dohrniphora specimens.
{"title":"Dohrniphora (Diptera: Phoridae) from the Miocene Mexican and Dominican ambers with a paleobiological reconstruction","authors":"M. S. Kraemer, B. Brown","doi":"10.1163/1876312X-00002174","DOIUrl":"https://doi.org/10.1163/1876312X-00002174","url":null,"abstract":"Male specimens of the phorid fly genus Dohrniphora Dahl from Miocene Mexican and Dominican amber are revised and described. This is the first systematic revision of the fossil species, and 11 new species are recognized from two Dohrniphora groups: those with and without large hind tibial setae. The group lacking hind tibial setae is notably more diverse and frequent in amber than those with such setae.\u0000Swarming behavior in Dohrniphora females is noted for the first time. Probably, these females were frequently attracted in large numbers to dead and decaying insects and other animals trapped in resin. Another phorid genus with similar habits, Puliciphora, frequently co-occurs in amber pieces containing Dohrniphora specimens.","PeriodicalId":54975,"journal":{"name":"Insect Systematics & Evolution","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2017-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1163/1876312X-00002174","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44231921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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 : 2017-10-18DOI: 10.1163/1876312X-00002172
Xiao‐Long Lin, E. Stúr, T. Ekrem
For over a decade, DNA barcoding has proven an effective modern tool in taxonomy, evolutionary biology and biodiversity research. Many new species have been discovered and described with DNA barcodes as part of their diagnostic features. Using DNA barcodes, we uncovered a number of potential species within the Tanytarsus curticornis and Tanytarsus heusdensis species complexes (Diptera: Chironomidae) and detected morphological differences a posteriori that support the description of new species. Unusually large intraspecific divergence in COI p-distance (up to 10%) was observed for two species complexes. In total, eight species new to science are described and figured: T. adustus sp. n., T. heberti sp. n., T. madeiraensis sp. n., T. pseudoheusdensis sp. n., T. songi sp. n., T. thomasi sp. n., T. tongmuensis sp. n. and T. wangi sp. n.. Tanytarsus reei and T. tamaoctavus are redescribed, and T. tusimatneous is listed as a new junior synonym of T. tamaduodecimus. The diagnostic characters of the remaining species of the complexes are discussed. Keys to males and pupae are given.
{"title":"DNA barcodes and morphology reveal unrecognized species in Chironomidae (Diptera)","authors":"Xiao‐Long Lin, E. Stúr, T. Ekrem","doi":"10.1163/1876312X-00002172","DOIUrl":"https://doi.org/10.1163/1876312X-00002172","url":null,"abstract":"For over a decade, DNA barcoding has proven an effective modern tool in taxonomy, evolutionary biology and biodiversity research. Many new species have been discovered and described with DNA barcodes as part of their diagnostic features. Using DNA barcodes, we uncovered a number of potential species within the Tanytarsus curticornis and Tanytarsus heusdensis species complexes (Diptera: Chironomidae) and detected morphological differences a posteriori that support the description of new species. Unusually large intraspecific divergence in COI p-distance (up to 10%) was observed for two species complexes. In total, eight species new to science are described and figured: T. adustus\u0000sp. n., T. heberti\u0000sp. n., T. madeiraensis\u0000sp. n., T. pseudoheusdensis\u0000sp. n., T. songi\u0000sp. n., T. thomasi\u0000sp. n., T. tongmuensis\u0000sp. n. and T. wangi\u0000sp. n.. Tanytarsus reei and T. tamaoctavus are redescribed, and T. tusimatneous is listed as a new junior synonym of T. tamaduodecimus. The diagnostic characters of the remaining species of the complexes are discussed. Keys to males and pupae are given.","PeriodicalId":54975,"journal":{"name":"Insect Systematics & Evolution","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2017-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1163/1876312X-00002172","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48520879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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 : 2017-10-15DOI: 10.1163/1876312X-00002170
C. Hemp, K. Heller, E. Warchałowska-Śliwa, B. Grzywacz, A. Hemp
Two new genera of East African Acrometopini are erected: the monotypicPeronurellan. gen. withP. centralisn. sp. from Miombo woodlands in central Tanzania, andTenerasphagan. gen. for a morphological uniform group of species formerly included inHoratosphaga,T. chyuluensisn. sp.,T. mbulun. sp.T. nanyuki,T. nudan. comb,T. meruensisn. comb,T. teneran. comb andT. bazeletaen. comb. Additional species are described in the generaAltihoratosphaga,LamecosomaandPeronura. Keys to African genera of Acrometopini and species of the genusTenerasphagaare provided. We review the male calling songs and the morphology of the acoustical apparatus and discuss how the morphology of the stridulatory files explains the complicated song patterns and elements. All Acrometopini species showed a plesiomorphic karyotype with a diploid chromosome number of 2n = 31 and a X0 sex chromosome system in males.
{"title":"New genera and new species of Acrometopini (Orthoptera: Tettigonioidea Phaneropterinae) from East Africa and a review of all known stridulatory organs, songs and karyotypes of the tribe","authors":"C. Hemp, K. Heller, E. Warchałowska-Śliwa, B. Grzywacz, A. Hemp","doi":"10.1163/1876312X-00002170","DOIUrl":"https://doi.org/10.1163/1876312X-00002170","url":null,"abstract":"Two new genera of East African Acrometopini are erected: the monotypicPeronurellan. gen. withP. centralisn. sp. from Miombo woodlands in central Tanzania, andTenerasphagan. gen. for a morphological uniform group of species formerly included inHoratosphaga,T. chyuluensisn. sp.,T. mbulun. sp.T. nanyuki,T. nudan. comb,T. meruensisn. comb,T. teneran. comb andT. bazeletaen. comb. Additional species are described in the generaAltihoratosphaga,LamecosomaandPeronura. Keys to African genera of Acrometopini and species of the genusTenerasphagaare provided. We review the male calling songs and the morphology of the acoustical apparatus and discuss how the morphology of the stridulatory files explains the complicated song patterns and elements. All Acrometopini species showed a plesiomorphic karyotype with a diploid chromosome number of 2n = 31 and a X0 sex chromosome system in males.","PeriodicalId":54975,"journal":{"name":"Insect Systematics & Evolution","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2017-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1163/1876312X-00002170","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46764459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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 : 2017-09-14DOI: 10.1163/1876312X-48022156
O. Popovici, L. Vilhelmsen, L. Masner, I. Mikó, N. Johnson
The Platygastroidea is a highly diverse group of small to minute parasitoid wasps. Despite the reduced size, the morphology of the maxillolabial complex of scelionids is very diverse and phylogenetically informative. 81 characters are scored for 129 genera (representing 75% of the total number of known extant genera of scelionids), as well as for seven outgroup taxa. All taxa examined are illustrated with images, SEM micrographs and/or line drawings. Phylogenetic trees resulting from analyses conducted in TNT under various settings were not fully resolved, but some relationships were repeatedly retrieved. The Platygastroidea are usually corroborated. Nixoniini, Sparasionini, Plaumannion and Huddlestonium are frequently retrieved as the most basal platygastroid lineages. Psix and Paratelenomus often form a monophyletic group close to Gryonini. The Scelioninae, Teleasinae and Telenominae are not supported as monophyletic. However, some major scelionid clades are frequently retrieved, but these are not recognized in the current classification of Platygastroidea. The evolution of the palpal formula, highly variably in scelionids, and previously used in platygastroid systematics, is explored. The number of maxillary palpomeres in the ground plan of platygatroids is probably five, that of labial palpomeres two or three, given the variation among basal scelionids. Our study provides relevant information for resolving the phylogeny of the Platygastroidea, but additional character sources have to be explored to obtain a robust phylogenetic hypothesis.
{"title":"Maxillolabial complex in scelionids (Hymenoptera: Platygastroidea): morphology and phylogenetic implications","authors":"O. Popovici, L. Vilhelmsen, L. Masner, I. Mikó, N. Johnson","doi":"10.1163/1876312X-48022156","DOIUrl":"https://doi.org/10.1163/1876312X-48022156","url":null,"abstract":"The Platygastroidea is a highly diverse group of small to minute parasitoid wasps. Despite the reduced size, the morphology of the maxillolabial complex of scelionids is very diverse and phylogenetically informative. 81 characters are scored for 129 genera (representing 75% of the total number of known extant genera of scelionids), as well as for seven outgroup taxa. All taxa examined are illustrated with images, SEM micrographs and/or line drawings. Phylogenetic trees resulting from analyses conducted in TNT under various settings were not fully resolved, but some relationships were repeatedly retrieved. The Platygastroidea are usually corroborated. Nixoniini, Sparasionini, Plaumannion and Huddlestonium are frequently retrieved as the most basal platygastroid lineages. Psix and Paratelenomus often form a monophyletic group close to Gryonini. The Scelioninae, Teleasinae and Telenominae are not supported as monophyletic. However, some major scelionid clades are frequently retrieved, but these are not recognized in the current classification of Platygastroidea. The evolution of the palpal formula, highly variably in scelionids, and previously used in platygastroid systematics, is explored. The number of maxillary palpomeres in the ground plan of platygatroids is probably five, that of labial palpomeres two or three, given the variation among basal scelionids. Our study provides relevant information for resolving the phylogeny of the Platygastroidea, but additional character sources have to be explored to obtain a robust phylogenetic hypothesis.","PeriodicalId":54975,"journal":{"name":"Insect Systematics & Evolution","volume":"48 1","pages":"315-439"},"PeriodicalIF":1.2,"publicationDate":"2017-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1163/1876312X-48022156","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44207302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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 : 2017-08-08DOI: 10.1163/1876312X-00002168
J. G. Palacios-Vargas, N. G. Cipola, B. Bellini
Two new species of the denticulata-group in the genus Ceratophysella Börner, 1932, C. rogerarlei sp.n. and C. nataliae sp.n., both from Brazil are described and illustrated. Ceratophysella rogerarlei sp.n. is similar to C. engadinensis (Gisin, 1949) in overall chaetotaxy, but it is unique by the combination of Ant. IV with trilobed apical bulb and 5 dorsal sensilla, PAO atypical with antero-lateral lobe clearly shorter than the antero-medial lobe, and the reduction of trunk dorsal chaetotaxy and number of macrosetae. Ceratophysella nataliae sp.n. is similar to C. gibbosa (Bagnall, 1940) and C. tupamara Palacios-Vargas & Bocanegra, 2012 but differs in dorsal abdominal chaetotaxy, Ant. IV with trilobed apical bulb (simple in C. gibbosa) and dorsal manubrium with 18+18 setae (8+8 in C. tupamara). A key to South American species of the genus is provided. With the descriptions presented, there are now nine species of Ceratophysella recorded from South America and six from Brazil.
{"title":"Two new species of Ceratophysella (Collembola: Hypogastruridae) from Brazil with a key to South American species of the genus","authors":"J. G. Palacios-Vargas, N. G. Cipola, B. Bellini","doi":"10.1163/1876312X-00002168","DOIUrl":"https://doi.org/10.1163/1876312X-00002168","url":null,"abstract":"Two new species of the denticulata-group in the genus Ceratophysella\u0000Börner, 1932, C. rogerarlei sp.n. and C. nataliae sp.n., both from Brazil are described and illustrated. Ceratophysella rogerarlei sp.n. is similar to C. engadinensis (Gisin, 1949) in overall chaetotaxy, but it is unique by the combination of Ant. IV with trilobed apical bulb and 5 dorsal sensilla, PAO atypical with antero-lateral lobe clearly shorter than the antero-medial lobe, and the reduction of trunk dorsal chaetotaxy and number of macrosetae. Ceratophysella nataliae sp.n. is similar to C. gibbosa (Bagnall, 1940) and C. tupamara\u0000Palacios-Vargas & Bocanegra, 2012 but differs in dorsal abdominal chaetotaxy, Ant. IV with trilobed apical bulb (simple in C. gibbosa) and dorsal manubrium with 18+18 setae (8+8 in C. tupamara). A key to South American species of the genus is provided. With the descriptions presented, there are now nine species of Ceratophysella recorded from South America and six from Brazil.","PeriodicalId":54975,"journal":{"name":"Insect Systematics & Evolution","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2017-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1163/1876312X-00002168","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47799264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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 : 2017-08-02DOI: 10.1163/1876312X-00002166
K. Davies, G. Taylor, W. Ye, J. Makinson, R. Adair
A new species of fly, Fergusonina madidum Taylor sp.n. (Diptera: Fergusoninidae) from Leptospermum madidum A.R. Bean in far north Queensland and a new species of nematode, Fergusobia leptospermum Davies sp.n. (Tylenchida: Neotylenchidae) from L. laevigatum (Gaertn.) F. Muell. in southern Victoria, Australia are described. These represent the first species of the Fergusonina fly/ Fergusobia nematode mutualism to be described from the genus Leptospermum (Myrtaceae). Fergusonina madidum sp.n. forms lateral and terminal multilocular shoot bud galls enclosed in subterminal leaflets. It can be distinguished from all other species of Fergusonina by the lack of dorsal setae on abdominal segment 7 of the female. Unlike most described species of Fergusonina it also lacks the posterior cross vein m-cu in the wing. It shares this character with F. giblindavisi Taylor and F. thomasi Taylor from flower bud galls on Corymbia , but both these species are large and abdominal segment 7 of females is densely setose. Its larva is unknown but from the morphology of puparia the dorsal shield comprises 3 broad transverse bands comprising lateral rows of raised ridge-like sclerotised spicules. Its associated species of nematode is not known. Fergusobia leptospermum sp.n. is associated with cryptic lateral and terminal usually unilocular shoot bud galls. It is characterised by the combination of an open to tight C-shaped parthenogenetic female having a small ‘a’ ratio, with a short but sturdy stylet, flat anterior end; huge dorsal pharyngeal gland, reproductive system with a relatively long uterus, and a sub-conoid tail with a broadly rounded tip; a C-shaped infective female with an almost hemispherical tail tip which may or may not be ventrally hooked; and an open C-shaped male with angular spicules and peloderan bursa arising near the anterior end, and a relatively long (c’ = 2.2–3.2) sub-conoid tail with a bluntly to broadly rounded tip. Its status as a distinct species is confirmed by molecular analyses. Its associated species of fly is known only from several larvae and a puparium, and remains undescribed. The dorsal shield of this Fergusonina species comprises 7 broad bands, the first six having heavily sclerotised raised ridges and the seventh with a medial field of weak spicules. The widely separated collection localities, together with the large number of species in Leptospermum suggest that the mutualism is likely to be speciose and occupy a broad geographic range on this host.
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