Synthesis of the sex pheromone of the yellow peach moth(E)-10-Hexadecenal and its Z-isomer Liu Meng-ying,Meng Xian-zuo,Yan Zhong-cheng & Su Rong-hui The effect of prostaglandin E2 and 15-methyl-PGF2α on induction of spawning in domestic fishes Liu Jian-chang,Cheng Li-ren,Wang Qi-lun & Ma Su-zhen Relationship between the development of ovary and the corpora allata of Coccinella septempunctata L. Chou Hsu-chia,Wei Ding-yi & Guo fu The penetration and detoxication rates of 7504 and DDT in relation to their toxicities in resistant and susceptible strains of houseflies Feng Guo-lei, Sun Yun-qin & Meng Yu-lan Isolation and infectivity of a new isolate of nuclear-polyhedrosis virus from the cotton bollworm,Heliothis armigera Cai Xiuyu,Ding Cui & Wang Mumu The karyotype of Lophophorus lhuysii(Aves:Phasianidae) Zou Zhaofen A comparison of the external characters and the skeletal system between Shinisaurus crocodilurus and Xenosaurus grandis Wu Cui-heng & Huang Zhu-jian A new species of the genus Mesocoelium(Brachycoeliidae)from China Zhu Hua A study of the freshwater crabs from Hubei Province Dai Ai-yun,Chen Guo-xiao,Zhang Shao-qing & Lin Hua A revision of the Chinese wolf spiders of the genus Alopecosa described by Schenkel (Araneae:Lycosidae) Song Daxiang Some species of oonopids and leptonetids from Anhui Province,China(Arachnida:Araneae) Song Daxiang & Xu Yajun A new species of the genus Asonus Yin(Orthoptera:Acrididae) Liu Ju-peng Studies on the eggs of Chinese Acridoids:Morphological descriptions of the eggs of Acridoids from Sinjiang Liu Ju-peng & Xi Rui-hua Two new species of the genus Pseudotmethis B.-Bienko from China(Orthoptera:Pamphagidae) Li Hong-chang A new species of the genus Stylotermes(Isoptera:Rhinotermitidae) Huang Fu-sheng & Zhu Shi-mo Notes on the Chinese Scirtothrips Shull with descriptions of two new species(Thysanoptera:Thripidae) Han Yun-fa A Study of the Chinese Carcelia R.-D.(Diptera:Tachinidae) Chao Chien-ming & Liang En-yi A new species of Ebodina(Lepidoptera:Tortricidae) Liu You-qiao & Bai Jiu-wei A study of the Chinese Eboda Walker(Lepidoptera:Tortricidae) Liu You-qiao & Bai Jiu-wei Ten new species of the genus Dasychira Stephens(Lepidoptera:Lymantriidae) Chao Chung-ling A new species of the Parakanchia Bethune-Baker(Lepidoptera:Lymantriidae) Chao Chung-ling A study on the Chinese Asuridia with descriptions of new species(Lepidoptera:Arctiidae:Lithosiinae) Fang Cheng-lai On the Chinese Chrysorabdia Butler with descriptions of new species(Lepidoptera:Arctiidae:Lithosiinae) Fang Cheng-lai A study on the Chinese Ovipennis with descriptions of new species(Lepidoptera:Arctiidae:Lithosiinae) Fang Cheng-lai New species of the genus Agylla from China(Lepidoptera:Arctiidae:Lithosiinae) Fang Cheng-lai Notes on the Chinese new species of the genus Phrixolepia Butler(Lepidoptera:Limacodidae) Cai Rong-quan Descriptions of two new species of Agrotinae from China(Lepidoptera:Noctuidae) Chen Yi-xin Three new species of the genus Stamnodes Guenaéefrom Xizang,China(Lepid optera:Geometridae:Larentiinae) Xue Da-yong Notes on the genus Dolichovespula from China(Hymenoptera:Vespidae) Lee Tie-sheng Notes on the genus Vespula from China(Hymenoptera:Vespidae) Lee Tie-sheng A new species of the genus Perisphincter Townes(Hymenoptera:Ichneumonidae:Anomalinae) Wang Shu-fang A study on Anthomegilla from China with descriptions of two new species(Apoidea:Anthophoridae) Wu Yan-ru Four new species of bees from Hengduan Mountain of China(Hymenoptera:Apoidea) Wu Yan-ru Review Studies on milky disease bacteria in China,1974—1984 Chang Shu-fang & Wan Yu-ling The distributional regions of Matsucoccus Cockerell and the phytogeographical regions of their hosts(Homoptera:Coccoidea) Wang Tze-ching Scientific Note Scanning electronmicroscopic observation on the spider Octonoba sinensis(Simon)(Araneae:Uloboridae) Song Daxiang & Li Minmin New records of Aphi doidea in China Zhang Guangxue & Liu Lijuan