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Damaging Effect of Gall-Forming Insects (Diptera: Cecidomyiidae) on Castanopsis hystrix in China

Damaging Effect of Gall-Forming Insects (Diptera: Cecidomyiidae) on Castanopsis hystrix in China

Xia Lin Zheng1, Zhen Hua Xian1, Zhen De Yang2, Xiu Hao Yang3 and Wen Lu1,*

1 Guangxi Key Laboratory of Agric-Environment and Agric-Products Safety, College of Agriculture, Guangxi University, Nanning 530004, China
2College of Forestry, Guangxi University, Nanning 530004, China
3Department of Guangxi Forestry Pest Management, Nanning, 530028, China

ABSTRACT
Damaging effect of two species of gall midges (Diptera: Cecidomyiidae) have been investigated on Castanopsis hystrix Miq. (Fagales: Fagaceae) in Pubei County of Guangxi, China were investigated from December 2012 to December 2013. Jaapiella sp. damaged leaves, while Contarinia sp. damaged stems and leafstalks. The damage ratio and the index of Jaapiella sp. in December 2012, March, July and December 2013 were 9.7±2.0%, 14.8±1.9%, 24.1±1.5%, 12.3±0.6% and 25.6%, 31.3%, 35.6%, 26.2%, respectively, while those of Contarinia sp. were 33.2±3.4%, 38.4±4.3%, 43.2±3.1%, 31.6±3.5% and 29.6%, 30.9%, 36.0%, 30.9%, respectively. The results will provide essential information to develop strategies that can be used for their control.

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Pakistan Journal of Zoology

August

Vol. 50, Iss. 4, Pages 1199-1600

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