A new genus and species,Cretopleciofungivora simpsoni gen.et sp.nov.,from the extinct family Pleciofungivoridae(Diptera:Bibionomorpha),is discovered in mid-Cretaceous Kachin amber.Previously,this family was known only...A new genus and species,Cretopleciofungivora simpsoni gen.et sp.nov.,from the extinct family Pleciofungivoridae(Diptera:Bibionomorpha),is discovered in mid-Cretaceous Kachin amber.Previously,this family was known only from imprints in sedimentary rocks of the Jurassic and the Lower Cretaceous.Discovery of a representative of Pleciofungivoridae in Kachin amber confirms the presence of the family in the Upper Cretaceous.The new species has a unique structure of fore tarsus,with lobed and extended tarsal segments Ⅱ to Ⅳ,a feature hitherto known only in a few species of extant Sciaroidea.Although not particularly rare,the new species is currently known only from female specimens.Possible reasons for this phenomenon,very unusual in Sciaroidea,are briefly discussed,including parthenogenesis as a potentially plausible hypothesis.展开更多
The amber deposits from the Albian-Cenomanian in Myanmar have emerged as a pivotal source for exceptionally abundant fossil insect fauna since their initial discovery. Recent studies have increasingly focused on eluci...The amber deposits from the Albian-Cenomanian in Myanmar have emerged as a pivotal source for exceptionally abundant fossil insect fauna since their initial discovery. Recent studies have increasingly focused on elucidating the fern inventory and examining newly available fossils from Myanmar amber, suggesting a diverse fern flora that once thrived in Cretaceous forests. Through investigations of amber collections, with particular emphasis on sporangium structures—especially the annulus types preserved in amber inclusions—this study revealed additional novelties within the Cyatheales and Schizaeales in mid-Cretaceous Myanmar amber forests. The described specimens and newly discovered fossils provide compelling evidence that Polypodiales were not only diverse and abundant but also that other fern lineages, such as Cyatheales and Schizaeales, coexisted in these ancient forest ecosystems. This study reveals the high diversity of ferns in the mid-Cretaceous Myanmar area, while also implying the paleoecological and paleogeographical significance of the Mesozoic Burmese amber forests.展开更多
Arthropodan syuinclusions in the Late Eocene Rovno amber were examined using x^2 to reveal correlation of the component groups （some taxa of Diptera, ants, aphids, and mites） supposedly indicative of the biocoenotic...Arthropodan syuinclusions in the Late Eocene Rovno amber were examined using x^2 to reveal correlation of the component groups （some taxa of Diptera, ants, aphids, and mites） supposedly indicative of the biocoenotic relationships in the ancient amber forest. Three tightly correlated groups were identified, representing a putative aerial plankton guild （Chironomidae ＋ Ceratopogonidae） and two tree-trunk guilds, one of which （Dolichopodidae ＋ Germaraphis） is possibly connected to more open or/and more hygrophilous habitats than the other （Sciara zone Diptera ＋ ＂Acarus＂ rhombeus）. The ants were not linked with any of the above components.展开更多
<span style="font-family:Verdana;">Backgrou</span><span style="font-family:Verdana;">nd/Aim: Kuji amber is an interesting natural source for drug discovery</span><span>...<span style="font-family:Verdana;">Backgrou</span><span style="font-family:Verdana;">nd/Aim: Kuji amber is an interesting natural source for drug discovery</span><span><span><span style="font-family:;" "=""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">because a new anti-allergic compound, named kujigamberol and several new compounds have been isolatated from it. It was important to evaluate the yield, biological activities and constituents of each methanol extract</span></span></span><span><span><span style="font-family:;" "=""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">of Kuji, Iwaki, Choshi, Mizunami and Ube ambers in Japan in order to establish if additional new compounds could be identified in these ambers. Materia</span></span></span><span><span><span style="font-family:;" "=""><span style="font-family:Verdana;">ls and </span><span style="font-family:Verdana;">Method: Biological activities of each extract were evaluated using growth-restoring </span><span style="font-family:Verdana;">activity of the mutant yeast strain involving Ca</span><sup><span style="font-family:Verdana;">2+</span></sup><span style="font-family:Verdana;">-signal transduction and inhibi</span><span style="font-family:Verdana;">tion activity of degranulation in rat basophilic leukemia (RBL)-2H3 cells. Constituents</span><span style="font-family:Verdana;"> of each extract were analyzed by high performance liquid chromatography (HPLC). Results: All ambers except Ube amber have growth-restoring activity against the mutant yeast. Both Kuji and Iwaki ambers inhibited the degranulation of RBL-2H3 cells induced by the calcium ionophore A23187 in a dose dependent manner. The main biologically active compound in Kuji amber, kujigamberol, was also isolated from Iwaki amber and analyzed by mass spectrometry (MS) and nuclear magnetic resonance (NMR). Conclusion: Kuji and Iwaki ambers appeared to have the same origin. Choshi, Mizunami, and Ube ambers are valuable sources for biologically active compounds which are different from those of Kuji amber.</span></span></span></span>展开更多
An amber-bearing lignitic layer of sandy clay from the Lower Cretaceous of Central Lebanon （Mderej-Hammana）yielded a well-preserved,moderately variegated palynoflora,which origin is mixed between land plants and mar...An amber-bearing lignitic layer of sandy clay from the Lower Cretaceous of Central Lebanon （Mderej-Hammana）yielded a well-preserved,moderately variegated palynoflora,which origin is mixed between land plants and marine microflora.Its detailed analysis led to fulfill its inventory,to propose a paleoenvironmental reconstruction,and to draw the paleoclimate which prevailed over the region：an estuarian area under a rather humid,temperate climate;a variety of ferns grew near the shore-side and in the inward land.A tiny piece of amber containing angiospermous pollen grains of stratigraphical interest allows a precise dating.The marine microflora,poorly diversified,includes chitinous foraminifer linings and dinoflagellate cysts,among which Early Aptian guide taxa are present;their occurrence slightly narrows the stratigraphical range indicated by some palynological taxa which are related to land plants.展开更多
Representatives of the extinct psocid family Empheriidae are known from Eocene Baltic amber, Lowermost Eocene French amber （Oise）, and Lower Cretaceous Spanish amber （Alava）. We report herein the first discovery o...Representatives of the extinct psocid family Empheriidae are known from Eocene Baltic amber, Lowermost Eocene French amber （Oise）, and Lower Cretaceous Spanish amber （Alava）. We report herein the first discovery of an empheriid psocid from the Cretaceous amber of New Jersey as Jerseyempheria grimaldii gen. et sp. nov. The fossil is figured and described. The new species is distinguished from related taxa. A discussion and checklist of Empheriidae are provided.展开更多
The family Dipteromantispidae, previously with only two genera and three species, is one of the enigmatic groups of the Cretaceous Neuroptera by the mantispid-like appearance combined with strongly reduced hind wings ...The family Dipteromantispidae, previously with only two genera and three species, is one of the enigmatic groups of the Cretaceous Neuroptera by the mantispid-like appearance combined with strongly reduced hind wings specialized into a haltere-like structure. A new genus and species of Dipteromantispidae, namely Halteriomantispa grimaldii gen. et sp. nov., is herein described based on an exquisitely preserved specimen from the mid-Cretaceous amber of northern Myanmar. It represents the first record of Dipteromantispidae from the amber deposit of mid-Cretaceous （Albian-Cenomanian） of Myanmar. A brief discussion on the homology of forewing venations and female genital sclerites of Dipteromantispidae is given.展开更多
A new fossil chironomid, Tanytarsus serafini, found in Baltic amber is described and illustrated based on adult males. The new species and similar extant species of the genus Tanytarsus van der Wulp are compared. Due ...A new fossil chironomid, Tanytarsus serafini, found in Baltic amber is described and illustrated based on adult males. The new species and similar extant species of the genus Tanytarsus van der Wulp are compared. Due to several distinct characters of wing, legs and bypopygium, a new species group for Tanytarsus serafini is proposed, and its diagnostic features are evaluated.展开更多
Aphids are marked by their high polymorphism, but species reported from the Early Cretaceous are known only from alate morphs. The discovery of an apterous adult morph in Lebanese amber and a larva of the same species...Aphids are marked by their high polymorphism, but species reported from the Early Cretaceous are known only from alate morphs. The discovery of an apterous adult morph in Lebanese amber and a larva of the same species are very important for the understanding of both the morphological and biological evolution of this insect group at the very early stage of development. Gondvanoaphis estephani new subfamily, new genus and species of the recent aphids family Thelaxidae is described. The characters of the new genus in respect to other genera placed in Thelaxidae are reviewed. The palaeoeeological and palaeogeographical data concerning Gondvanoaphis new genus are also discussed.展开更多
One new genus and five new species of the family Evaniidae are described from the Early Cretaceous （Albian） Spanish amber of Pefiacerrada-I （Province of Burgos）, San Just and Arroyo de la Pascueta （both in the Pr...One new genus and five new species of the family Evaniidae are described from the Early Cretaceous （Albian） Spanish amber of Pefiacerrada-I （Province of Burgos）, San Just and Arroyo de la Pascueta （both in the Province of Teruel）： Cretevania alonsoi sp. nov., C. montoyai sp. nov., C. alcalai sp. nov., C. rubusensis sp. nov., and lberoevania roblesi gen. and sp. nov. Taxonomic changes include Cretevania pristina （Zhang and Zhang, 2000） comb. nov., C. exquisita （Zhang, Rasnitsyn, Wang and Zhang, 2007） comb. nov., C. vesca （Zhang, Rasnltsyn, Wang and Zhang, 2007） comb. nov., and C. cyrtocerca （Deans, 2004） comb. nov., as a result of the reinterpretation of the genera Procretevania and Eovernevania. The new well preserved specimens of the genus Cretevania, together with the characters shown by the type specimens of the synonymized genera, give new information about their anatomical characters of taxonomical importance, and the genus Cretevania Rasnitsyn, 1975 is re-diagnosed. The holotypes of the Russian species in amber have been revised. A cladistic analysis of fossil and extant groups of the superfamily Evanioidea is included. Cretevania had a wide palaeogeographic distribution, with the highest diversity known from Spain. The 13 known Cretevania species show a high interspecific variation mainly in wing characteristics, and a wide range of body and wing size.展开更多
The present study describes a new genus and species Unicohormaphis sorini,which belongs to the subfamily Cerataphidinae.The contemporary distribution of aphids belonging to the Hormaphididae family is summarized and a...The present study describes a new genus and species Unicohormaphis sorini,which belongs to the subfamily Cerataphidinae.The contemporary distribution of aphids belonging to the Hormaphididae family is summarized and analyzed.According to the obtained data,the climate warming in Eocene was conducive to the expansion of the family over the areas of Europe.Subsequent climate changes,resulting from epeirogenic and orogenic movements towards the end of Eocene,led to a considerable cooling and drying of climate in the northern hemisphere.These processes contributed to the shrinking down of areas covered by subtropical forests,which constituted the habitat of Hormaphididae（Cerataphidinae）.Retaining their way of life,the Cerataphidinae were forced to limit their distribution,and the representatives of the family in Europe became completely extinct.展开更多
A new genus and species of Rhachiberothidae, Raptorapax terribilissima gen. et sp. nov. from the Cretaceous amber of Lebanon is described. The new genus is assigned to the subfamily Paraberothinae. The new material co...A new genus and species of Rhachiberothidae, Raptorapax terribilissima gen. et sp. nov. from the Cretaceous amber of Lebanon is described. The new genus is assigned to the subfamily Paraberothinae. The new material confirms the great diversity of the group in the Cretaceous age and its decrease in diversity in recent times.展开更多
A new species, Dactylolabis （Eobothrophorus） hoffeinsorum sp. nov. from the Baltic amber is described, based on one male. The distinctive characters are the shape of the discal cell in the wing and the shape of the ...A new species, Dactylolabis （Eobothrophorus） hoffeinsorum sp. nov. from the Baltic amber is described, based on one male. The distinctive characters are the shape of the discal cell in the wing and the shape of the process on tergite IX. The description of Dactylolabis （Eobothrophorus） lauryni Podenas, 2003 is amended, based on an additional specimen. With the new species added herein, the number of species of this subgenus totals four. The wing venation, antennae, and tergal processes of all four species of the subgenus described from the Baltic amber are compared.展开更多
A new genus Microelectrona gen. nov. and species Microelectrona cladara sp. nov. of the extinct tribe Protodikraneurini of the leafhoppers （Cicadellidae： Typhlocybinae） from the Eocene Baltic amber is described. Th...A new genus Microelectrona gen. nov. and species Microelectrona cladara sp. nov. of the extinct tribe Protodikraneurini of the leafhoppers （Cicadellidae： Typhlocybinae） from the Eocene Baltic amber is described. The piece of amber containing leafhopper inclusion is broken, unveiling some of the morphological structures, and enabling their studies using scanning electron microscopy.展开更多
Modem grylloblattids are one of the least diverse insect orders. The single extant family is contrasted with 46 families described from the fossil records, which extend to the Late Carboniferous. The most ancient gryl...Modem grylloblattids are one of the least diverse insect orders. The single extant family is contrasted with 46 families described from the fossil records, which extend to the Late Carboniferous. The most ancient grylloblattid nymphs are known from the Lower Permian. Till now, there is no report on grylloblattid from Burmese amber, which is a very old amber locality. Herein, we describe Sylvalitoralis cheni Zhang, Bai ＆ Yang, sp. nov. from Grylloblattina based on a nymph specimen from the mid-Cretaceous Myanmar （Burmese） amber.展开更多
基金funded by the Science Foundation of Yunnan Province(Grant Nos.2015HA021 and 202401CF070913)the National Science Centre of Poland(Grant No.UMO-2016/23/B/NZ8/00936)supported by the Alexander von Humboldt Foundation。
文摘A new genus and species,Cretopleciofungivora simpsoni gen.et sp.nov.,from the extinct family Pleciofungivoridae(Diptera:Bibionomorpha),is discovered in mid-Cretaceous Kachin amber.Previously,this family was known only from imprints in sedimentary rocks of the Jurassic and the Lower Cretaceous.Discovery of a representative of Pleciofungivoridae in Kachin amber confirms the presence of the family in the Upper Cretaceous.The new species has a unique structure of fore tarsus,with lobed and extended tarsal segments Ⅱ to Ⅳ,a feature hitherto known only in a few species of extant Sciaroidea.Although not particularly rare,the new species is currently known only from female specimens.Possible reasons for this phenomenon,very unusual in Sciaroidea,are briefly discussed,including parthenogenesis as a potentially plausible hypothesis.
文摘The amber deposits from the Albian-Cenomanian in Myanmar have emerged as a pivotal source for exceptionally abundant fossil insect fauna since their initial discovery. Recent studies have increasingly focused on elucidating the fern inventory and examining newly available fossils from Myanmar amber, suggesting a diverse fern flora that once thrived in Cretaceous forests. Through investigations of amber collections, with particular emphasis on sporangium structures—especially the annulus types preserved in amber inclusions—this study revealed additional novelties within the Cyatheales and Schizaeales in mid-Cretaceous Myanmar amber forests. The described specimens and newly discovered fossils provide compelling evidence that Polypodiales were not only diverse and abundant but also that other fern lineages, such as Cyatheales and Schizaeales, coexisted in these ancient forest ecosystems. This study reveals the high diversity of ferns in the mid-Cretaceous Myanmar area, while also implying the paleoecological and paleogeographical significance of the Mesozoic Burmese amber forests.
基金supported in part by the RFBR Grant #09-04- 01241 and the Presidium RAS Program"Origin and evolution of Biosphere"
文摘Arthropodan syuinclusions in the Late Eocene Rovno amber were examined using x^2 to reveal correlation of the component groups （some taxa of Diptera, ants, aphids, and mites） supposedly indicative of the biocoenotic relationships in the ancient amber forest. Three tightly correlated groups were identified, representing a putative aerial plankton guild （Chironomidae ＋ Ceratopogonidae） and two tree-trunk guilds, one of which （Dolichopodidae ＋ Germaraphis） is possibly connected to more open or/and more hygrophilous habitats than the other （Sciara zone Diptera ＋ ＂Acarus＂ rhombeus）. The ants were not linked with any of the above components.
文摘<span style="font-family:Verdana;">Backgrou</span><span style="font-family:Verdana;">nd/Aim: Kuji amber is an interesting natural source for drug discovery</span><span><span><span style="font-family:;" "=""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">because a new anti-allergic compound, named kujigamberol and several new compounds have been isolatated from it. It was important to evaluate the yield, biological activities and constituents of each methanol extract</span></span></span><span><span><span style="font-family:;" "=""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">of Kuji, Iwaki, Choshi, Mizunami and Ube ambers in Japan in order to establish if additional new compounds could be identified in these ambers. Materia</span></span></span><span><span><span style="font-family:;" "=""><span style="font-family:Verdana;">ls and </span><span style="font-family:Verdana;">Method: Biological activities of each extract were evaluated using growth-restoring </span><span style="font-family:Verdana;">activity of the mutant yeast strain involving Ca</span><sup><span style="font-family:Verdana;">2+</span></sup><span style="font-family:Verdana;">-signal transduction and inhibi</span><span style="font-family:Verdana;">tion activity of degranulation in rat basophilic leukemia (RBL)-2H3 cells. Constituents</span><span style="font-family:Verdana;"> of each extract were analyzed by high performance liquid chromatography (HPLC). Results: All ambers except Ube amber have growth-restoring activity against the mutant yeast. Both Kuji and Iwaki ambers inhibited the degranulation of RBL-2H3 cells induced by the calcium ionophore A23187 in a dose dependent manner. The main biologically active compound in Kuji amber, kujigamberol, was also isolated from Iwaki amber and analyzed by mass spectrometry (MS) and nuclear magnetic resonance (NMR). Conclusion: Kuji and Iwaki ambers appeared to have the same origin. Choshi, Mizunami, and Ube ambers are valuable sources for biologically active compounds which are different from those of Kuji amber.</span></span></span></span>
基金a contribution to the scientific project "The Study of the Fossil Insects in Lebanon and their Outcrops:Geology of the Outcrops - Historical and Biodiversity Evolution" the team project:"Biodiversity:Origin,Structure, Evolution and Geology" financed by the Lebanese University to the first author(DA)
文摘An amber-bearing lignitic layer of sandy clay from the Lower Cretaceous of Central Lebanon （Mderej-Hammana）yielded a well-preserved,moderately variegated palynoflora,which origin is mixed between land plants and marine microflora.Its detailed analysis led to fulfill its inventory,to propose a paleoenvironmental reconstruction,and to draw the paleoclimate which prevailed over the region：an estuarian area under a rather humid,temperate climate;a variety of ferns grew near the shore-side and in the inward land.A tiny piece of amber containing angiospermous pollen grains of stratigraphical interest allows a precise dating.The marine microflora,poorly diversified,includes chitinous foraminifer linings and dinoflagellate cysts,among which Early Aptian guide taxa are present;their occurrence slightly narrows the stratigraphical range indicated by some palynological taxa which are related to land plants.
基金the ANR project: AMBRACE(BLAN 07-1-184190) and to the scientific project‘The Study of the Fossil Insects in Lebanon and their Outcrops: Geology of the Outcrops-Historical and Biodiversity Evolution' financed by the Lebanese University to the first author(DA)the National Research Council of Argentina(CONICET) for the funds provided for this research: grant PIP 6393,PIP 11420090100377 and BEJI
文摘Representatives of the extinct psocid family Empheriidae are known from Eocene Baltic amber, Lowermost Eocene French amber （Oise）, and Lower Cretaceous Spanish amber （Alava）. We report herein the first discovery of an empheriid psocid from the Cretaceous amber of New Jersey as Jerseyempheria grimaldii gen. et sp. nov. The fossil is figured and described. The new species is distinguished from related taxa. A discussion and checklist of Empheriidae are provided.
基金supported by the National Natural Science Foundation of China(31322501,41271063)
文摘The family Dipteromantispidae, previously with only two genera and three species, is one of the enigmatic groups of the Cretaceous Neuroptera by the mantispid-like appearance combined with strongly reduced hind wings specialized into a haltere-like structure. A new genus and species of Dipteromantispidae, namely Halteriomantispa grimaldii gen. et sp. nov., is herein described based on an exquisitely preserved specimen from the mid-Cretaceous amber of northern Myanmar. It represents the first record of Dipteromantispidae from the amber deposit of mid-Cretaceous （Albian-Cenomanian） of Myanmar. A brief discussion on the homology of forewing venations and female genital sclerites of Dipteromantispidae is given.
文摘A new fossil chironomid, Tanytarsus serafini, found in Baltic amber is described and illustrated based on adult males. The new species and similar extant species of the genus Tanytarsus van der Wulp are compared. Due to several distinct characters of wing, legs and bypopygium, a new species group for Tanytarsus serafini is proposed, and its diagnostic features are evaluated.
文摘Aphids are marked by their high polymorphism, but species reported from the Early Cretaceous are known only from alate morphs. The discovery of an apterous adult morph in Lebanese amber and a larva of the same species are very important for the understanding of both the morphological and biological evolution of this insect group at the very early stage of development. Gondvanoaphis estephani new subfamily, new genus and species of the recent aphids family Thelaxidae is described. The characters of the new genus in respect to other genera placed in Thelaxidae are reviewed. The palaeoeeological and palaeogeographical data concerning Gondvanoaphis new genus are also discussed.
基金sponsored by the"Instituto de Estudios Turolenses"The Diputacion General de Aragon granted the excavation and prospection permissions in Teruel Province(Expedient numbers:152/1998 and 202/2003)framed in the project CGL2008-00550/BTE from the Spanish Ministry of Science and Innovation:"The Cretaceous amber of Spain:a multidisciplinary study"
文摘One new genus and five new species of the family Evaniidae are described from the Early Cretaceous （Albian） Spanish amber of Pefiacerrada-I （Province of Burgos）, San Just and Arroyo de la Pascueta （both in the Province of Teruel）： Cretevania alonsoi sp. nov., C. montoyai sp. nov., C. alcalai sp. nov., C. rubusensis sp. nov., and lberoevania roblesi gen. and sp. nov. Taxonomic changes include Cretevania pristina （Zhang and Zhang, 2000） comb. nov., C. exquisita （Zhang, Rasnitsyn, Wang and Zhang, 2007） comb. nov., C. vesca （Zhang, Rasnltsyn, Wang and Zhang, 2007） comb. nov., and C. cyrtocerca （Deans, 2004） comb. nov., as a result of the reinterpretation of the genera Procretevania and Eovernevania. The new well preserved specimens of the genus Cretevania, together with the characters shown by the type specimens of the synonymized genera, give new information about their anatomical characters of taxonomical importance, and the genus Cretevania Rasnitsyn, 1975 is re-diagnosed. The holotypes of the Russian species in amber have been revised. A cladistic analysis of fossil and extant groups of the superfamily Evanioidea is included. Cretevania had a wide palaeogeographic distribution, with the highest diversity known from Spain. The 13 known Cretevania species show a high interspecific variation mainly in wing characteristics, and a wide range of body and wing size.
文摘The present study describes a new genus and species Unicohormaphis sorini,which belongs to the subfamily Cerataphidinae.The contemporary distribution of aphids belonging to the Hormaphididae family is summarized and analyzed.According to the obtained data,the climate warming in Eocene was conducive to the expansion of the family over the areas of Europe.Subsequent climate changes,resulting from epeirogenic and orogenic movements towards the end of Eocene,led to a considerable cooling and drying of climate in the northern hemisphere.These processes contributed to the shrinking down of areas covered by subtropical forests,which constituted the habitat of Hormaphididae（Cerataphidinae）.Retaining their way of life,the Cerataphidinae were forced to limit their distribution,and the representatives of the family in Europe became completely extinct.
基金a contribution to the ANR project: AMBRACE(BLAN 07-1-184190)the scientific project‘The Study of the Fossil Insects in Lebanon and their Outcrops: Geology of the Outcrops - Historical and Biodiversity Evolution' financed by the Lebanese University to DA.JFP thanks the National Research Council of Argentina(CONICET) for the funds provided for this research:grant PIP 6393,PIP 11420090100377 and BEJI
文摘A new genus and species of Rhachiberothidae, Raptorapax terribilissima gen. et sp. nov. from the Cretaceous amber of Lebanon is described. The new genus is assigned to the subfamily Paraberothinae. The new material confirms the great diversity of the group in the Cretaceous age and its decrease in diversity in recent times.
文摘A new species, Dactylolabis （Eobothrophorus） hoffeinsorum sp. nov. from the Baltic amber is described, based on one male. The distinctive characters are the shape of the discal cell in the wing and the shape of the process on tergite IX. The description of Dactylolabis （Eobothrophorus） lauryni Podenas, 2003 is amended, based on an additional specimen. With the new species added herein, the number of species of this subgenus totals four. The wing venation, antennae, and tergal processes of all four species of the subgenus described from the Baltic amber are compared.
基金supported by a research grant from the Ministry of Science and Higher Education of Poland(no.NN 303 2979 37) awarded to JS
文摘A new genus Microelectrona gen. nov. and species Microelectrona cladara sp. nov. of the extinct tribe Protodikraneurini of the leafhoppers （Cicadellidae： Typhlocybinae） from the Eocene Baltic amber is described. The piece of amber containing leafhopper inclusion is broken, unveiling some of the morphological structures, and enabling their studies using scanning electron microscopy.
基金supported by the National Science Fund for Fostering Talents in Basic Research(Special Subjects in Animal Taxonomy,NSFC-J1210002)the Special Fiscal Funds of Shaanxi Province(2013-19)+1 种基金Research Equipment Development Project of Chinese Academy of Sciences(YZ201509)a Humboldt Fellowship(M.B.)from the Alexander von Humboldt Foundation
文摘Modem grylloblattids are one of the least diverse insect orders. The single extant family is contrasted with 46 families described from the fossil records, which extend to the Late Carboniferous. The most ancient grylloblattid nymphs are known from the Lower Permian. Till now, there is no report on grylloblattid from Burmese amber, which is a very old amber locality. Herein, we describe Sylvalitoralis cheni Zhang, Bai ＆ Yang, sp. nov. from Grylloblattina based on a nymph specimen from the mid-Cretaceous Myanmar （Burmese） amber.
