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Scientia Silvae Sinicae ›› 2000, Vol. 36 ›› Issue (6): 119-122.doi: 10.11707/j.1001-7488.20000628

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A STUDY ON EFFECTIVE ACCUMULATED TEMPERATURE AND THRESHOLD TEMPERATURE FOR DEVELOPMENT CHOUIOIA CUNEA Yang (HYMENOPTERA:EULOPHIDAE)

Yang Zhongqi   

  1. Research Institute of Forest Ecology, Environment and Protection, CAF Beijing100091
  • Received:2000-05-31 Revised:1900-01-01 Online:2000-11-25 Published:2000-11-25

Abstract: Through experiment, the effective accumulated temperature and the threshold temperature for development of Chouioia cunea Yang (Hymenoptera:Eulophidae), a powerful pupa endoparasitoid of the intruded insect pest-fall webworm, Hyphantria cunea Drury (Lepidoptera:Arctiidae), are 365.12 degree-day and 6.14℃, respectively. Meanwhile, the curve diagram of functional relationship between theoretical development duration and temperature is given. These data are important in mass-rearing the wasp for biological control of the pest.

Key words: Fall webworm, Chouioia cunea Yang, Effective accumulated temperature, The threshold temperature for development, Biological control