In this study, microsporidian pathogens in Crepidodera aurata populations were investigated. Totally 1,728 C. aurata adults were examined for microsporidian pathogens and 78 of them were found to be infected. Two species of microsporidia; Microsporidium sp.1 and Microsporidium sp.2 were observed in the C. aurata populations from ten localities in North Turkey. They show considerable difference from each other in the spore morphology and dimension, infection rate and host locality. The spores of Microsporidium sp.1 were oval in shape and measured from 3.66 to 5.66 µm in length and from 1.35 to 2.22 µm in width (n=50). The spores of Microsporidium sp. 2 were slightly curled and measured from 2.44 to 3.55 µm in length and from 1.25 to 1.55 µm in width (n=50). These microsporidia were recorded from C. aurata for the first time. Here we present occurrence and distribution of two microsporidia in C. aurata populations as natural potentially suppressing factors.
{"title":"Distribution and occurrence of microsporidian pathogens of the willow flea beetle, Crepidodera aurata (Coleoptera: Chrysomelidae) in North Turkey","authors":"M. Yaman, Gönül Algi, Beyza Gonca Guner, S. Ünal","doi":"10.33338/EF.84644","DOIUrl":"https://doi.org/10.33338/EF.84644","url":null,"abstract":"In this study, microsporidian pathogens in Crepidodera aurata populations were investigated. Totally 1,728 C. aurata adults were examined for microsporidian pathogens and 78 of them were found to be infected. Two species of microsporidia; Microsporidium sp.1 and Microsporidium sp.2 were observed in the C. aurata populations from ten localities in North Turkey. They show considerable difference from each other in the spore morphology and dimension, infection rate and host locality. The spores of Microsporidium sp.1 were oval in shape and measured from 3.66 to 5.66 µm in length and from 1.35 to 2.22 µm in width (n=50). The spores of Microsporidium sp. 2 were slightly curled and measured from 2.44 to 3.55 µm in length and from 1.25 to 1.55 µm in width (n=50). These microsporidia were recorded from C. aurata for the first time. Here we present occurrence and distribution of two microsporidia in C. aurata populations as natural potentially suppressing factors.","PeriodicalId":50520,"journal":{"name":"Entomologica Fennica","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47379055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The ground-dwelling ant fauna on the uninhabited Gaja-jima Island, the Tokara Islands, the Ryukyu archipelago, Japan was investigated, which was the first survey on ants of the island. Twenty-three ant species were found during a visit of only eight hours in daytime. Four of them were new records to the Tokara Islands. Of the four new records, the southern limit of distributions was renewed for three species. Three exotic species, Pheidole fervens, Tetramorium bicarinatum, and Tapinoma melanocephalum were recognized, which seems relatively low given that ten exotic species have been altogether recorded from the Tokara Islands. The relationship between invasion by ants and the scale of human activity is discussed.
{"title":"First survey of ground-dwelling ants (Hymenoptera: Formicidae) on the uninhabited Gaja-jima Island, the Ryukyu archipelago, Japan","authors":"M. Katayama, Tadatsugu Hosoya, Wataru Toki","doi":"10.33338/EF.84614","DOIUrl":"https://doi.org/10.33338/EF.84614","url":null,"abstract":"The ground-dwelling ant fauna on the uninhabited Gaja-jima Island, the Tokara Islands, the Ryukyu archipelago, Japan was investigated, which was the first survey on ants of the island. Twenty-three ant species were found during a visit of only eight hours in daytime. Four of them were new records to the Tokara Islands. Of the four new records, the southern limit of distributions was renewed for three species. Three exotic species, Pheidole fervens, Tetramorium bicarinatum, and Tapinoma melanocephalum were recognized, which seems relatively low given that ten exotic species have been altogether recorded from the Tokara Islands. The relationship between invasion by ants and the scale of human activity is discussed.","PeriodicalId":50520,"journal":{"name":"Entomologica Fennica","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41699158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The hemp sawfly Trichiocampus cannabis Xiao & Huang, 1986 was known until now only in the East Palaearctic. One female was captured recently in the Uljanovsk Region, European Russia. This is the first record from the West Palaearctic. The species is compared with the type species of Trichiocampus Hartig, T. grandis (Serville). The hemp sawfly differs from all known species of Cladiini by having slender, simple claws. The food plant Cannabis sativa L., a herb of the family Cannabaceae, is unique in Cladiini.
{"title":"Hemp sawfly found in European Russia (Hymenoptera: Tenthredinidae, Nematinae, Cladiini)","authors":"V. Vikberg","doi":"10.33338/EF.84611","DOIUrl":"https://doi.org/10.33338/EF.84611","url":null,"abstract":"The hemp sawfly Trichiocampus cannabis Xiao & Huang, 1986 was known until now only in the East Palaearctic. One female was captured recently in the Uljanovsk Region, European Russia. This is the first record from the West Palaearctic. The species is compared with the type species of Trichiocampus Hartig, T. grandis (Serville). The hemp sawfly differs from all known species of Cladiini by having slender, simple claws. The food plant Cannabis sativa L., a herb of the family Cannabaceae, is unique in Cladiini.","PeriodicalId":50520,"journal":{"name":"Entomologica Fennica","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48915422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A total of480 Scots pine (Pinus sylvestris L.) trees felled during pre-commercial thinning in a single stand in the Drahanska Highlands in the Czech Republic were examined for the occurrence of bark- and wood-boring beetles. Thinning was performed on different dates during 2006 and 2007 (February, May, August and November). Half of the felled trees were cut into 1 m-long sections, and the rest were left whole. The fauna inhabiting the logging residues were investigated by peeling off the bark ofthe felled trees during the first six months of the vegetative period following felling. The studied logging residues hosted species-rich assemblages of bark- and wood-boring beetles (28 species identified), including numerous populations of several pest species (Pityogenes chalcographus, Tomicus minor and Tomicus piniperda). The occurrence of species was significantly affected mainly by the part of the tree and its diameter and bark thickness and by the felling date and post-felling cutting of the trees.
{"title":"Factors affecting the occurrence of bark- and wood-boring beetles on Scots pine logging residues from pre-commercial thinning","authors":"J. Foit","doi":"10.33338/EF.84634","DOIUrl":"https://doi.org/10.33338/EF.84634","url":null,"abstract":"A total of480 Scots pine (Pinus sylvestris L.) trees felled during pre-commercial thinning in a single stand in the Drahanska Highlands in the Czech Republic were examined for the occurrence of bark- and wood-boring beetles. Thinning was performed on different dates during 2006 and 2007 (February, May, August and November). Half of the felled trees were cut into 1 m-long sections, and the rest were left whole. The fauna inhabiting the logging residues were investigated by peeling off the bark ofthe felled trees during the first six months of the vegetative period following felling. The studied logging residues hosted species-rich assemblages of bark- and wood-boring beetles (28 species identified), including numerous populations of several pest species (Pityogenes chalcographus, Tomicus minor and Tomicus piniperda). The occurrence of species was significantly affected mainly by the part of the tree and its diameter and bark thickness and by the felling date and post-felling cutting of the trees.","PeriodicalId":50520,"journal":{"name":"Entomologica Fennica","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43894001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Recent records of eight little known species of the family Scythrididae from Morocco are presented. The material was collected during two trips in mid-May 2010 and 2011. Scythris scutulella Nupponen, sp. n. is described. The previously unknown female genitalia of S. maculosa Bengtsson, 1997 are illustrated and described, and four species are reported as new to the Maghreb area. The known distribution range of each species is given.
{"title":"Records of interesting scythridids from Morocco, with description of Scythris scutulella Nupponen, sp. n. (Lepidoptera: Scythrididae)","authors":"K. Nupponen, J. Kullberg","doi":"10.33338/EF.84615","DOIUrl":"https://doi.org/10.33338/EF.84615","url":null,"abstract":"Recent records of eight little known species of the family Scythrididae from Morocco are presented. The material was collected during two trips in mid-May 2010 and 2011. Scythris scutulella Nupponen, sp. n. is described. The previously unknown female genitalia of S. maculosa Bengtsson, 1997 are illustrated and described, and four species are reported as new to the Maghreb area. The known distribution range of each species is given.","PeriodicalId":50520,"journal":{"name":"Entomologica Fennica","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46723572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The salivary glands of male treehopper Tricentrus brunneus Funkhouser comprise a pair of acinous principal glands each with an anterior lobe and a posterior lobe; a pair of elbow-shaped accessory glands. Every accessory gland connects with the principal gland via a thin accessory salivary duct. The anterior lobe contains three types of acini (I, II and III), whereas the posterior lobe possesses only one type of acinus (IV). Two efferent salivary ducts fuse into a common salivary duct. Different acinis cells are filled with secretory granules that are distinct in size, number, shape and electron-density, indicating a maturation process before secreted. Infoldings in different acini suggest dilution of substances before being secreted. The presence of microvilli in acinus IV and the accessory gland duct possibly indicates the undergoing maturation of secretions. Electron-dense fine granules existed in the accessory gland cells, possibly related to virus transmission.
{"title":"Morphology and ultrastructure of salivary glands of male treehopper Tricentrus brunneus Funkhouser (Hemiptera: Membracoidea)","authors":"Haiying Zhong, Yalin Zhang, Cong Wei","doi":"10.33338/EF.84647","DOIUrl":"https://doi.org/10.33338/EF.84647","url":null,"abstract":"The salivary glands of male treehopper Tricentrus brunneus Funkhouser comprise a pair of acinous principal glands each with an anterior lobe and a posterior lobe; a pair of elbow-shaped accessory glands. Every accessory gland connects with the principal gland via a thin accessory salivary duct. The anterior lobe contains three types of acini (I, II and III), whereas the posterior lobe possesses only one type of acinus (IV). Two efferent salivary ducts fuse into a common salivary duct. Different acinis cells are filled with secretory granules that are distinct in size, number, shape and electron-density, indicating a maturation process before secreted. Infoldings in different acini suggest dilution of substances before being secreted. The presence of microvilli in acinus IV and the accessory gland duct possibly indicates the undergoing maturation of secretions. Electron-dense fine granules existed in the accessory gland cells, possibly related to virus transmission.","PeriodicalId":50520,"journal":{"name":"Entomologica Fennica","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45346986","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ecological consequences of fire on the scuttle fly communities were investigated in a pine forest in Poland (Garwolin Forest). Data from 1,243 identifiable individuals, representing 48 species, were used. The scuttle fly communities in fire-affected plots were similar in terms of the number of species but less diverse than those in an undisturbed reference plot. The response of the flies to the fire was species-specific. Four Megaselia species (M. brevicostalis, M. nigriceps, M. elongata and M. obscuripennis) were most numerous in the plot most affected by fire. Approximately three years after the fire the scuttle fly communities were relatively similar to those found in a clear-cut pine plantation (Bialowieza Primeval Forest) as well as to those in post-windthrow habitats (Pisz Forest) in which logs were removed or left. The Megaselia species are the winners in the fire affected habitats and seem to be more stress-tolerant than other genera ofthe scuttle flies.
{"title":"Effects of fire on scuttle flies (Diptera: Phoridae) in a pine forest in Poland","authors":"E. Durska","doi":"10.33338/EF.84645","DOIUrl":"https://doi.org/10.33338/EF.84645","url":null,"abstract":"Ecological consequences of fire on the scuttle fly communities were investigated in a pine forest in Poland (Garwolin Forest). Data from 1,243 identifiable individuals, representing 48 species, were used. The scuttle fly communities in fire-affected plots were similar in terms of the number of species but less diverse than those in an undisturbed reference plot. The response of the flies to the fire was species-specific. Four Megaselia species (M. brevicostalis, M. nigriceps, M. elongata and M. obscuripennis) were most numerous in the plot most affected by fire. Approximately three years after the fire the scuttle fly communities were relatively similar to those found in a clear-cut pine plantation (Bialowieza Primeval Forest) as well as to those in post-windthrow habitats (Pisz Forest) in which logs were removed or left. The Megaselia species are the winners in the fire affected habitats and seem to be more stress-tolerant than other genera ofthe scuttle flies.","PeriodicalId":50520,"journal":{"name":"Entomologica Fennica","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47232167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The Coenosia pedella-group is established and defined by the combination of the following characters: most species have one presutural dorsocentral seta, costa reaching the tip of media vein, abdomen with distinct spots, hind tibia with dorsal setae, lower calypter at least subequal in length to upper calypter, basis of cerci and surstyli of male short, length of cerci at most four times as long as its width, most of cerci enlarged in distal 1/3 and surstyli subtriangular with width of basal part longer than 1/3 of length. Three new species are described: C. disclambosa Xue & Wang sp. n., C. maoershanensis Xue & Wang sp. n. and C. sublacteipennis Xue&Wang sp. n. A key to the males of Palaearctic Region species of the Coenosia pedella-group is given.
{"title":"Diagnosis of the Coenosia pedella-group (Diptera: Muscidae), with descriptions of three new species from China","authors":"Ping Wang, W. Xue","doi":"10.33338/EF.84639","DOIUrl":"https://doi.org/10.33338/EF.84639","url":null,"abstract":"The Coenosia pedella-group is established and defined by the combination of the following characters: most species have one presutural dorsocentral seta, costa reaching the tip of media vein, abdomen with distinct spots, hind tibia with dorsal setae, lower calypter at least subequal in length to upper calypter, basis of cerci and surstyli of male short, length of cerci at most four times as long as its width, most of cerci enlarged in distal 1/3 and surstyli subtriangular with width of basal part longer than 1/3 of length. Three new species are described: C. disclambosa Xue & Wang sp. n., C. maoershanensis Xue & Wang sp. n. and C. sublacteipennis Xue&Wang sp. n. A key to the males of Palaearctic Region species of the Coenosia pedella-group is given.","PeriodicalId":50520,"journal":{"name":"Entomologica Fennica","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43814974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Scanning electron microscopy was used to examine the morphology, ultrastructure, and distribution of antennal sensilla of the stink bug Arma chinensis. Two types of sensilla trichodea (ST1–2), four types of sensilla basiconica (SB 1– 4), one type of sensilla chaetica (SCH), one type of sensilla cavity (SCA) and one type of sensilla coeloconica (SCO) were distinguished on the antennae in both sexes. ST1 and ST2 were absent from the scape and pedicel. SB1 were absent from the scape. SB2 were distributed throughout the antennae. SB3 were located on the second pedicel and the two flagellomeres. SB4 were absent from the second flagellomere. SCH was observed on the second pedicel and the two flagellomeres. SCA and SCO occurred only on the second flagellomere. SB1 clusters occurred on the distal part of the second flagellomere. We compared the morphology and structure of these sensilla to other Heteroptera and discuss their possible functions.
{"title":"Fine structure and distribution of antennal sensilla of stink bug Arma chinensis (Heteroptera: Pentatomidae)","authors":"Jian Zhang, Xiaojun Zhang, Chunyu Liu, Lipeng Meng, Yulin Zhou","doi":"10.33338/EF.84629","DOIUrl":"https://doi.org/10.33338/EF.84629","url":null,"abstract":"Scanning electron microscopy was used to examine the morphology, ultrastructure, and distribution of antennal sensilla of the stink bug Arma chinensis. Two types of sensilla trichodea (ST1–2), four types of sensilla basiconica (SB 1– 4), one type of sensilla chaetica (SCH), one type of sensilla cavity (SCA) and one type of sensilla coeloconica (SCO) were distinguished on the antennae in both sexes. ST1 and ST2 were absent from the scape and pedicel. SB1 were absent from the scape. SB2 were distributed throughout the antennae. SB3 were located on the second pedicel and the two flagellomeres. SB4 were absent from the second flagellomere. SCH was observed on the second pedicel and the two flagellomeres. SCA and SCO occurred only on the second flagellomere. SB1 clusters occurred on the distal part of the second flagellomere. We compared the morphology and structure of these sensilla to other Heteroptera and discuss their possible functions.","PeriodicalId":50520,"journal":{"name":"Entomologica Fennica","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45538994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A new species, Stenomalina rufigaster sp. n., is described based on females and males found in Suurisuo, a bog in Janakkala, southern Finland. The female is easily separated from all other species of the genus in having mostly yellowish red gaster. 13 females and 7 males have been captured mainly in July and August in 1979–1993 in the pinemarshy area of the bog. The new species is compared with the closely similar S. micans (Olivier). The biology of the new species is unknown.
{"title":"Stenomalina rufigaster sp. n. from a pine bog in southern Finland (Hymenoptera, Chalcidoidea: Pteromalidae)","authors":"V. Vikberg","doi":"10.33338/EF.84626","DOIUrl":"https://doi.org/10.33338/EF.84626","url":null,"abstract":"A new species, Stenomalina rufigaster sp. n., is described based on females and males found in Suurisuo, a bog in Janakkala, southern Finland. The female is easily separated from all other species of the genus in having mostly yellowish red gaster. 13 females and 7 males have been captured mainly in July and August in 1979–1993 in the pinemarshy area of the bog. The new species is compared with the closely similar S. micans (Olivier). The biology of the new species is unknown.","PeriodicalId":50520,"journal":{"name":"Entomologica Fennica","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42454050","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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