Morphology and Development of Tetrastichus sp. (Hymenoptera: Eulophidae), Parasitizing Fallwebworm Pupae, Hyphantria cunea Drury (Lepidoptera: Arctiidae)

  • Lee, Hai-Poong (Department of Applied Biology, College of Life Resource Science, Dongguk University) ;
  • Kim, Il-Kwon (Department of Applied Biology, College of Life Resource Science, Dongguk University) ;
  • Lee, Ki-Sang (Department of Applied Biology, College of Life Resource Science, Dongguk University)
  • 발행 : 1999.12.01

초록

The life history and development of Tetrastichus sp. parasitizing fallwebworm pupa in Korea were studied. The mean lifetime fecundity was 94.7 with a maximum of 125, and the portion of female progeny averaged 90.3%. A male and a female lived for an average of 19.8${\pm}$4.5 and 21.7${\pm}$4.2 days, respectively. The duration of development for each stage was as follows: egg, 2 d; the 1st instar larva, 2${\pm}$1 d; the 2nd instar larva, 2${\pm}$1 d: the 3rd instar larva, 3${\pm}$1 d; the 4th instar larva, 6${\pm}$2 d; and pupa, 8${\pm}$2 d. Total developmental duration from hatching of the larva to adult emergence required 21.1${\pm}$3.7 d, and females took 1-2 days more than males in the incubator (28$^{\circ}C$, 70% RH, and 16:8 LD).

키워드

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