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journal1 ›› 2016, Vol. 32 ›› Issue (5): 553-561.DOI: 10.16409/j.cnki.2095-039x.2016.05.001

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Effects of Three Prey Species on Development and Fecundity of the Predaceous Stinkbug Arma chinensis (Hemiptera: Pentatomidae)

LI Jiaojiao1, ZHANG Changhua2, YI Zhongjing2, RAN Xianchuan2, ZHANG Lisheng1, LIU Chenxi1, WANG Mengqing1, CHEN Hongyin1   

  1. 1. USDA-ARS Sino-American Biological Control Laboratory/Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China;
    2. Guizhou Tobacco Company Zunyi Branch, Zunyi 563000, China
  • Received:2016-03-30 Online:2016-10-08 Published:2016-10-08

Abstract: The generalist predaceous stinkbug Arma chinensis (Fallou) is a kind of valuable natural enemy for insect pest control. To find appropriate prey species to propagate A. chinensis, we investigated the suitability of nymphs of Mythimna separata (Walker), larvae of Corcyra cephalonica (Stainton), and pupae of Antheraea pernyi (Guerin-Meneville) as substitutive prey for A. chinensis. We examined development time, body size (weight and length), fecundity, oogenesis rate, longevity and other life history parameters of A. chinensis feeding on the three prey species. We also analyzed contents of main nutrients in the three prey species. The stinkbug was able to complete development on all the three prey species. Body size and sexual ratio of the stinkbug were not affected by the prey species. There were no significant differences in development time, survival rate, fecundity, and egg hatch rate between the stinkbug reared on M. separata and A. pernyi. However, the stinkbug reared on C. cephalonica had longer development time and lower survival rate and fecundity compared with those reared on M. separata and A. pernyi. The developmental duration from egg to adult of the stinkbug was 29.88 d when reared on C. cephalonica, in contrast to 25.57 d and 26.15 d of the stinkbug reared on M. separata and A. pernyi, respectively. Life-time fecundity of the stinkbug was 231.44 when reared on C. cephalonica, while it was 360.00 and 441.00 when the stinkbug were reared on M. separata and A. pernyi, respectively. Adult harvest rate was 23.78% for the stinkbug reared on C. cephalonica, significantly lower than those reared on M. separata (60.00%) and A. pernyi (60.56%). However, the longevity of female adults of stinkbug reared on C. cephalonica was longer than those reared on M. separata and A. pernyi. The results suggest that M. separata can be a substitutive prey for mass rearing A. chinensis in biological control programs.

Key words: Arma chinensis, Mythimna separata, Corcyra cephalonica, Antheraea pernyi, artificial propagation

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