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Scientia Silvae Sinicae ›› 2003, Vol. 39 ›› Issue (6): 87-90.doi: 10.11707/j.1001-7488.20030614

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A NEW SPECIES IN THE GENUS APROSTOCETUS (HYMENOPTERA: EULOPHIDAE) PARASTIZING PUPA OF FALL WEBWORM FROM YANTAI, SHANDONG PROVINCE, CHINA

Yang Zhongqi,Wang Chuanzhen,Liu Yuming   

  1. Research Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry Beijing100091;Yantai Forest Protection Station Yantai264000
  • Received:2003-05-19 Revised:1900-01-01 Online:2003-11-25 Published:2003-11-25

Abstract:

A new species in the genus Aprostocetus is described in present paper:Aprostocetus magniventer Yang (Hymenopetra, Eulophidae:Tetrastichinae). It is an endo-parasitoid in the pupa of Fall Webworm, Hyphantria cunea (Drury) (Lepidoptera:Arctiidae), a serious invasive defoliator species to China. From one host, 45~62 adult wasps were reared out with proportion of female and male 2.6∶1, and parasitic ratio 3.5%. The species has good promising as a biological control agent for suppression of the pest. This unique species is quite different from all other species in the genus Aprostocetus by its great and sub-rounded gaster which is 1.5 times as wide as thorax. The type specimens of the new species are deposited in the Insect Museum of Chinese Academy of Forestry.

Key words: Aprostocetus, New species, Fall Webworm, Parasitoid, Biological control