Typology of both ecological （thermo-, hygro-, phytobiotic, biomorphological, etc.） and chorological （zonal, sectoral, regional, etc.） categories as applied to specific Cicadina faunas of Palaearctic is reviewed.
The subject of our investigation was the visual features of wing color with special focus on the UV reflectance in the green-veined white butterfly （Pieris napi）. Previous studies had concluded that UV reflectance o...The subject of our investigation was the visual features of wing color with special focus on the UV reflectance in the green-veined white butterfly （Pieris napi）. Previous studies had concluded that UV reflectance on dorsal wing surfaces is found only in the female P napi. Based on UV sensitive photography, we analyzed a correlation between 12 geographic and environmental factors and UV reflectance patterns on 3 patches on the forewings of 407 P. napi specimens from the Palaearctic region. Results had shown that females significantly differ from males： they exhibit a 25% higher UV reflectance. To investigate whether and how UV reflectance levels on the forewings and hindwings of both sexes are influenced by the environment, we performed a principal component analysis （PCA） with several environmental variables. For several variables （in particular, latitude and longitude, mean annual temperature and precipitation, and temperature annual range and altitude）, the generalized linear model （GLM） model revealed a significant correlation in both sexes. This suggests a link between UV reflectance levels and the environment and distribution of P. napi. We found that stronger UV reflectance is associated with generally more hostile environments and concluded that large-scale environmental factors influence the UV reflectance on the forewings of both male and female green-veined white butterflies.展开更多
European mountain systems have played a crucial role in shaping the distribution of species and of their genetic diversity during the Quaternary climatic changes,with the establishment of allopatric patterns across ma...European mountain systems have played a crucial role in shaping the distribution of species and of their genetic diversity during the Quaternary climatic changes,with the establishment of allopatric patterns across main mountain ranges.Here we investigated the evolutionary history of fea beetles of the Longitarsus candidulus species-group showing an uncommon disjunct biogeographic pattern across the Apennine and the Pyrenees.We applied a multilocus molecular approach and multispecies coalescent models to establish a phylogenetic and systematic framework for this morphologically homogeneous species-group and to estimate the time of main cladogenetic events underlying the origin of the Apennine-Pyrenees pattern.We found strong support for the monophyly of the candidulus group with a sister relationship between Longitarsus laureolae and L.leonardii endemic to the Apennine and the Pyrenees mountains respectively.The timing of speciation events in the candidulus species-group coincides with 2 major climatic transitions during the Early and Middle Pleistocene which resulted in signifcant environmental changes in Europe and suggest a scenario of allopatric isolation and divergence on distinct mountain ranges.The split between the thermophilic species L.candidulus and the ancestor of the temperate species L.laureolae and L.leonardii is estimated at~3 Ma during the transition from Pliocene to Pleistocene and was probably triggered by their segregation in xerophilous and temperate habitats.The speciation between L.laureolae and L.leonardii,estimated at~1 Ma during the Mid-Pleistocene Transition,can be explained by the establishment of unfavorable conditions in West Alps and Central Massif underlying the onset of the Apennine-Pyrenees disjunct pattern.Finally,the strict association between members of the candidulus group and distinct Thymelaeaceae plants suggests further studies to address the hypothesis that speciation in these fea beetles might have been also associated with Pleistocene range changes of their host plants.展开更多
An updated key to the species-groups of Pachyprotasis is provided, proposing the P. melanosoma group addition for species formerly placed in the P rapae group. A key to the species of the Pachyprotasis rapae group fro...An updated key to the species-groups of Pachyprotasis is provided, proposing the P. melanosoma group addition for species formerly placed in the P rapae group. A key to the species of the Pachyprotasis rapae group from China is provided, and four new species are described： P. motuoensis Zhong, Li ＆ Wei sp. nov., R paraneixiangensis Zhong, Li ＆ Wei sp. nov., P prismatiscutellum Zhong, Li ＆ Wei sp. nov. and P zejiani Zhong, Li ＆ Wei sp. nov. The subspecies P. antennata lui is raised to species P. lui.展开更多
A new species, Eodorcadion(Ornatodorcadion) zhaoi sp. nov., is described from the Alxa desert in Inner Mongolia, China. A key to species of the subgenus Eodorcadion(Ornatodorcadion) is provided. The type specimens are...A new species, Eodorcadion(Ornatodorcadion) zhaoi sp. nov., is described from the Alxa desert in Inner Mongolia, China. A key to species of the subgenus Eodorcadion(Ornatodorcadion) is provided. The type specimens are deposited in IZCAS, CCXF and CMD,respectively.展开更多
The European rhinoceros beetle, Oryctes nasicornis (L.), is a large flying beetle in the subfamily Dynastinae of family Scarabaeidae and order Coleoptera. It is well-known to be a Palaearctic species, inhabiting Europ...The European rhinoceros beetle, Oryctes nasicornis (L.), is a large flying beetle in the subfamily Dynastinae of family Scarabaeidae and order Coleoptera. It is well-known to be a Palaearctic species, inhabiting Europe and Asia up to North Africa, with no reported material from the Sub-Saharan African region including Tanzania. The present work reports an occurrence of O. nasicornis in Tanzania specifically in Iringa region in the Southern Highlands zone of the country. The report is accompanied by description of the key morphological characters of the insect validating its diagnosis. The findings facilitate a basis for intervention of the existing records about O. nasicornis, including its biogeographical affiliation and the related undertakings. It is most likely that the species also ranges in other localities in Tanzania and the Sub-Saharan Africa region in general because of the existing proximity and interactions.展开更多
文摘Typology of both ecological （thermo-, hygro-, phytobiotic, biomorphological, etc.） and chorological （zonal, sectoral, regional, etc.） categories as applied to specific Cicadina faunas of Palaearctic is reviewed.
文摘The subject of our investigation was the visual features of wing color with special focus on the UV reflectance in the green-veined white butterfly （Pieris napi）. Previous studies had concluded that UV reflectance on dorsal wing surfaces is found only in the female P napi. Based on UV sensitive photography, we analyzed a correlation between 12 geographic and environmental factors and UV reflectance patterns on 3 patches on the forewings of 407 P. napi specimens from the Palaearctic region. Results had shown that females significantly differ from males： they exhibit a 25% higher UV reflectance. To investigate whether and how UV reflectance levels on the forewings and hindwings of both sexes are influenced by the environment, we performed a principal component analysis （PCA） with several environmental variables. For several variables （in particular, latitude and longitude, mean annual temperature and precipitation, and temperature annual range and altitude）, the generalized linear model （GLM） model revealed a significant correlation in both sexes. This suggests a link between UV reflectance levels and the environment and distribution of P. napi. We found that stronger UV reflectance is associated with generally more hostile environments and concluded that large-scale environmental factors influence the UV reflectance on the forewings of both male and female green-veined white butterflies.
文摘European mountain systems have played a crucial role in shaping the distribution of species and of their genetic diversity during the Quaternary climatic changes,with the establishment of allopatric patterns across main mountain ranges.Here we investigated the evolutionary history of fea beetles of the Longitarsus candidulus species-group showing an uncommon disjunct biogeographic pattern across the Apennine and the Pyrenees.We applied a multilocus molecular approach and multispecies coalescent models to establish a phylogenetic and systematic framework for this morphologically homogeneous species-group and to estimate the time of main cladogenetic events underlying the origin of the Apennine-Pyrenees pattern.We found strong support for the monophyly of the candidulus group with a sister relationship between Longitarsus laureolae and L.leonardii endemic to the Apennine and the Pyrenees mountains respectively.The timing of speciation events in the candidulus species-group coincides with 2 major climatic transitions during the Early and Middle Pleistocene which resulted in signifcant environmental changes in Europe and suggest a scenario of allopatric isolation and divergence on distinct mountain ranges.The split between the thermophilic species L.candidulus and the ancestor of the temperate species L.laureolae and L.leonardii is estimated at~3 Ma during the transition from Pliocene to Pleistocene and was probably triggered by their segregation in xerophilous and temperate habitats.The speciation between L.laureolae and L.leonardii,estimated at~1 Ma during the Mid-Pleistocene Transition,can be explained by the establishment of unfavorable conditions in West Alps and Central Massif underlying the onset of the Apennine-Pyrenees disjunct pattern.Finally,the strict association between members of the candidulus group and distinct Thymelaeaceae plants suggests further studies to address the hypothesis that speciation in these fea beetles might have been also associated with Pleistocene range changes of their host plants.
基金supported by the National Natural Science Foundation of China (31172142)Research Foundation of Chinese Academy of Tropical Agriculture Sciences (Hzs1103)the Postdoctoral Foundation funded projects preferred in Zhejiang Province (92 (2016))
文摘An updated key to the species-groups of Pachyprotasis is provided, proposing the P. melanosoma group addition for species formerly placed in the P rapae group. A key to the species of the Pachyprotasis rapae group from China is provided, and four new species are described： P. motuoensis Zhong, Li ＆ Wei sp. nov., R paraneixiangensis Zhong, Li ＆ Wei sp. nov., P prismatiscutellum Zhong, Li ＆ Wei sp. nov. and P zejiani Zhong, Li ＆ Wei sp. nov. The subspecies P. antennata lui is raised to species P. lui.
基金supported by NSFC programs 31472029(Meiying Lin) and J1210002partly by a grant(Y229YX5105)from the Key Laboratory of the Zoological Systematics and Evolution of the Chinese Academy of Sciences
文摘A new species, Eodorcadion(Ornatodorcadion) zhaoi sp. nov., is described from the Alxa desert in Inner Mongolia, China. A key to species of the subgenus Eodorcadion(Ornatodorcadion) is provided. The type specimens are deposited in IZCAS, CCXF and CMD,respectively.
文摘The European rhinoceros beetle, Oryctes nasicornis (L.), is a large flying beetle in the subfamily Dynastinae of family Scarabaeidae and order Coleoptera. It is well-known to be a Palaearctic species, inhabiting Europe and Asia up to North Africa, with no reported material from the Sub-Saharan African region including Tanzania. The present work reports an occurrence of O. nasicornis in Tanzania specifically in Iringa region in the Southern Highlands zone of the country. The report is accompanied by description of the key morphological characters of the insect validating its diagnosis. The findings facilitate a basis for intervention of the existing records about O. nasicornis, including its biogeographical affiliation and the related undertakings. It is most likely that the species also ranges in other localities in Tanzania and the Sub-Saharan Africa region in general because of the existing proximity and interactions.
