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Odor learning in Microplitis mediator (Hymenoptera: Braconidae) is mediated by sugar type and physiological state

文献类型： 外文期刊

作者： Luo, Shuping 2 ; Michaud, J. P. 3 ; Li, Jiancheng 4 ; Liu, Xiaoxia 1 ; Zhang, Qingwen 1 ;

作者机构： 1.China Agr Univ, Coll Agron & Biotechnol, Dept Entomol, Beijing 100193, Peoples R China

2.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China

3.Kansas State Univ, Agr Res Ctr Hays, Dept Entomol, Hays, KS USA

4.Hebei Acad Agr & Forestry Sci, Inst Plant Protect, Baoding 071001, Peoples R China

关键词： Gustatory response;Sugar type;Physiological state;Learning;Hunger state;Ovipositional experience;Parasitoid

期刊名称：BIOLOGICAL CONTROL （ 影响因子：3.687； 五年影响因子：3.962 ）

ISSN： 1049-9644

年卷期： 2013 年 65 卷 2 期

页码：

收录情况： SCI

摘要： Parasitoids can be conditioned to respond to novel odors through associative learning, and learning can be sensitive to physiological state. This study examined the effects of various types of sugar, and two physiological factors, mating status and oviposition experience, on odor learning in the parasitoid Microplitis mediator Haliday. Female M. mediator exhibited prolonged feeding periods on fructose, glucose and sucrose, whereas periods of feeding on raffinose, mannose and galactose were not different from water. Mating status did not affect feeding time on any sugars, but the conditioned response to eucalyptol was stronger in mated females than in virgins when the unconditioned stimulus was glucose. When females were conditioned to both food- and host-associated odors and then given a choice between them in a Y-tube olfactometer, hungry females prefered the former and satiated females, the latter, regardless of whether they had prior oviposition experience. However, oviposition experience shifted the preference of partially fed females in favor of the host-associated odor, whereas those without such experience preferred the food-associated odor. This finding suggests that parasitoid females in intermediate hunger states might be more responsive in tests of other experience effects than either starved or fully fed ones. (C) 2013 Elsevier Inc. All rights reserved.

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