Acta Entomologica Sinica (2004) 47, 124-129

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Yong-Hou Jiang, Qiang Fu, Jia-An Cheng, Gong-Yin Ye, Yao-Yu Bai and Zhi-Tao Zhang (2004)
[Effects of transgenic Bt rice on the biological characteristics of Apanteles chilonis (Munakata) (Hymenoptera : Braconidae)]
Acta Entomologica Sinica 47 (1), 124-129
Abstract: Effects of rice transformed with cry1Ab (KMDI) on the biological characteristics of a parasitoid Apanteles chilonis (Munakata) through its host Chilo suppressalis were studied in the laboratory, using the 3rd, 4th and 5th instar larvae of C. suppressalis fed on the transgenic rice for a given time as hosts. The results showed that parasitized rates of host larvae fed on KMDI were significantly (3rd instar) or very significantly (4th and 5th instar) lower than those of the control. Percentages of cocoon formation for hosts fed on KMDI significantly reduced for the 3rd and 4th instar. Developmental period of the parasitoid pupa from hosts (3rd instar) fed on KMDI was significantly shorter. Longevity of the male wasp from the 5th instar larva fed on KMDI was significantly shorter. Length of wasp cocoon of KMDI treatment was significantly shorter than the control. But no significant differences were detected in the developmental period of egg to larva, cocoon mass size, wasp emergence rate and sex ratio of the parasitoid between KMDI treatment and the control.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
(original language: Chinese)
Database assignments for author(s): Jia-An Cheng, Qiang Fu, Zhi Tao Zhang

Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
environment/habitat manipulation

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.

Chilo suppressalis Rice (Oryza)
Cotesia chilonis (parasitoid) Chilo suppressalis Rice (Oryza)
Bacillus thuringiensis genes in crops (entomopathogen) Chilo suppressalis Rice (Oryza)
Bacillus thuringiensis Cry1A-toxin (entomopathogen) Chilo suppressalis Rice (Oryza)