Ultracentrifical analysis and biochemical properties of pupal hemolymph high density lipoprotein of oak silkworm Feng Hui,Chen E-ying,Quen Xue-chen,Bi Kan-hua & Li Xiao-jie An assay of hormonal sensitive adenylate cyclase Liu Zhan-huan,Shang Xin-qing & Liu Lan-ying The inhibition effect of some chemicals on esterases shown by disk electrophoresis and isoelectrofocusing Zhou Hou-an,Guo Yao-jun & Wang En-yi The influence of culture media on the growth characteristics of B82(TK)﹣ cell line Li You-lan The chromosome preparation methods for avian species Zou Zhao-fen & Shang Ke-gang Eine neue Art der Gattung Hedinomorpha(Diplopoda:Paradoxosomatidae)aus China Zhang Chong-zhou & Tang Hong-qing A preliminary report on the freshwater crabs of Hengduan Mountains Area Dai Ai-yun & Chen Guo-xiao On two species of Titanoecids from China(Araneae:Titanoicidae) Song Da-xiang & Zhu Ming-sheng On some dictynids from China(Araneae:Dictynidae) Song Da-xiang & Lu Lin (83) Biology of the tick Boophilus microplus(Canestrini)in China Teng Kuo-fan A new species of Traulia St#l from Yunnan,China(Orthoptera:Acrididae:Catantopinae) Huang Chun-mei & Xia Kai-ling A new species of Chorthippus Fieber(Orthoptera:Acrididae) Liu Ju-peng A study on the Chinese species of genus Coptotermes with description of new species and subspecies(Isoptera:Rhinotermitidae) Tsai Pang-hwa,Huang Fu-sheng & Li Guei-xiang A new species of Cetoniidae(Coleoptera:Scarabaeoidea) Ma Wen-zhen A new species and a new subspecies of I maida(Lepidoptera:Lymantriidae) Chao Chung-ling “Insect-herb”versus hepialids with descriptions of new genera and new species of Chinese Hepialidae H.F.Chu & L.Y.Wang A study on the subtribe Sorolophae in Yunnan Province(Lepidoptera:Tortricidae) Liu You-qiao & Bai Jui-wei A new species of the genus Pareuderus Ferrière from Beijing,China(Hymenoptera:Chalcidoidea:Eulophidae) Luo Wei-de & Liao Ting-shi Notes on Chinese Lycorina Holmgren(Hymenoptera:Ichneumonidae) Wang Shu-fang Five new species of Telenomus from China(Hymenoptera:Scelionidae) Wu Yan-ru & Chen Tai-lu A study of Chinese Ampulicidae with descriptions of 5 new species(Hymenoptera:Sphecoidea) Wu Yan-ru & Chou Qin Study on the subtribe Nemoraeina from China(Diptera:Tachinidae) Chao Chien-ming & Shi Yong-shan Notes on the genus Thelaira Robineau-Desvoidy from China(Diptera:Tachinidae) Chao Chien-ming & Shi Yong-shan Two new species of Tabanidae from Qinling Mountains Region of Shanxi Province,China(Deptera:Tabanidae) Wang Zun-ming Studies on the life-history of Tabanus mandarinus Schiner(Diptera:Tabanidae) Teng Kuo-fan