Effects of Different Sugars on the Feeding Preferences and Fecundity of Arma chinensis

doi:10.16409/j.cnki.2095-039x.2017.03.006

Abstract

Abstract: Arma chinensis is a predator of many insect pests. Carbohydrate is an essential nutrient for insects and an important feeding promoting agent in artificial diet. The aim of this study was to find the most potential sugar that promotes feeding in A. chinensis through tests with six sugar solutions for ovipositing females. No significant correlation was found between sugar sweetness and A. chinensis fecundity. The predator showed different preference for the sugars, which was sucrose> fructose> maltose> trehalose> glucose> inositol> distilled water, indicating that A. chinensis preferred sweeter sugar. Supplementing with maltose and trehalose significantly increased A. chinensis fecundity, achieving life-time fecundity of 323.85 and daily oviposition of 6.81 on maltose-provided diet, and life-time fecundity of 271.13 and daily oviposition of 8.14 on trehalose-added diet. A. chinensis feeding on inositol-added diet showed the lowest oviposition. Although fructose and sucrose did not increase fecundity, they are sweeter than the other sugars and could be used as feeding promoting agent in the artificial diet. These results provide an insight for improving feeding and fecundity of A. chinensis.

Key words: Arma chinensis, sugars, feeding behavior, fecundity

CLC Number:

S476.2

GUO Yi, WANG Manzi, ZHANG Changhua, YI Zhongjing, YANG Zaiyou, LIU Chenxi, ZHANG Lisheng, WANG Mengqing, CHEN Hongyin. Effects of Different Sugars on the Feeding Preferences and Fecundity of Arma chinensis[J]. journal1, 2017, 33(2/3): 331-337.

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