The Old World genus Trigonocera is a small group with only nine extant species described. Here we report a new species Trigonocera shuensis Liu & Yang sp. nov., which is found in Oriental China. An updated key to ...The Old World genus Trigonocera is a small group with only nine extant species described. Here we report a new species Trigonocera shuensis Liu & Yang sp. nov., which is found in Oriental China. An updated key to the species in this genus is provided.展开更多
Two species are described from eastern Mongolia as new to science, Campsicnemus pallidoapicalis Wang, Przhiboro ＆ Yang, sp. nov. and Chrysotus minuticapillatus Liu, Przhiboro ＆ Yang, sp. nov. Campsicnemuspicticornis...Two species are described from eastern Mongolia as new to science, Campsicnemus pallidoapicalis Wang, Przhiboro ＆ Yang, sp. nov. and Chrysotus minuticapillatus Liu, Przhiboro ＆ Yang, sp. nov. Campsicnemuspicticornis （Zetterstedt） is recorded from Mongolia for the first time. A key to the Mongolian Campsicnemus is given.展开更多
Despite extensive studies on the morphology of holometabolous insects and their larvae,the morphological transformations of internal structures during metamorphosis have been rarely documented.Here,we used micro-compu...Despite extensive studies on the morphology of holometabolous insects and their larvae,the morphological transformations of internal structures during metamorphosis have been rarely documented.Here,we used micro-computed tomography to investigate the developmental transformations of thoracic structures in the green lacewing Chrysopa pallens(Rambur,1838)(Neuroptera:Chrysopidae),with emphasis on the development of the digestive,tracheal,and thoracic skeleto-muscular system.All the adult organs were modified during the prepupal or early pupal stage.The histolysis and remodeling began with the skeletal elements,followed by changes in the digestive system before it concluded with modifications of the musculature.Similar to the tracheal system’s development,the digestive system did not disappear completely throughout metamorphosis but underwent a dramatic morphological change,which included the midgut significantly decreasing in size during the pupal stage.Our results provide important evidence for understanding the evolutionary pattern of developmental transformations in different major lineages of Holometabola.展开更多
基金partly supported by the National Natural Science Foundation of China (31672326)supported by the General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China (2017IK001, 2017IK237)
文摘The Old World genus Trigonocera is a small group with only nine extant species described. Here we report a new species Trigonocera shuensis Liu & Yang sp. nov., which is found in Oriental China. An updated key to the species in this genus is provided.
基金partly supported by the 973 Program(2013CB127602)the National Natural Science Foundation of China(3141101151,4151101023)+1 种基金the Russian Foundation for Basic Research(grants 15-54-53038 and 15-04-00732)the Russian Scientific Foundation(grant 14-14-01134)
文摘Two species are described from eastern Mongolia as new to science, Campsicnemus pallidoapicalis Wang, Przhiboro ＆ Yang, sp. nov. and Chrysotus minuticapillatus Liu, Przhiboro ＆ Yang, sp. nov. Campsicnemuspicticornis （Zetterstedt） is recorded from Mongolia for the first time. A key to the Mongolian Campsicnemus is given.
基金This study was supported by the National Natural Science Foundation of China(32100359,32130012)the Technological Innovation Programs of Higher Education Institutions in Shanxi(2021L430)the China Scholarship Council,which enabled CJZ to spend 12 months as a joint student at the National University of Singapore,hosted by RM.
文摘Despite extensive studies on the morphology of holometabolous insects and their larvae,the morphological transformations of internal structures during metamorphosis have been rarely documented.Here,we used micro-computed tomography to investigate the developmental transformations of thoracic structures in the green lacewing Chrysopa pallens(Rambur,1838)(Neuroptera:Chrysopidae),with emphasis on the development of the digestive,tracheal,and thoracic skeleto-muscular system.All the adult organs were modified during the prepupal or early pupal stage.The histolysis and remodeling began with the skeletal elements,followed by changes in the digestive system before it concluded with modifications of the musculature.Similar to the tracheal system’s development,the digestive system did not disappear completely throughout metamorphosis but underwent a dramatic morphological change,which included the midgut significantly decreasing in size during the pupal stage.Our results provide important evidence for understanding the evolutionary pattern of developmental transformations in different major lineages of Holometabola.
