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Performance of diapausing parasitoid wasps, Habrobracon hebetor, after cold storage

文献类型： 外文期刊

作者： Chen, Haoliang 1 ; Zhang, Hongyu 1 ; Zhu, Kun Yan 4 ; Throne, James 5 ;

作者机构： 1.Huazhong Agr Univ, Coll Plant Sci & Technol, Inst Urban & Hort Pests, State Key Lab Agr Microbiol, Wuhan 430070, Hubei, Peoples R China

2.Huazhong Agr Univ, Coll Plant Sci & Technol, Hubei Key Lab Insect Resource Applicat & Sustaina, Wuhan 430070, Hubei, Peoples R China

3.Anhui Acad Agr Sci, Inst Plant Protect & Agroprod Safety, Hefei 230031, Anhui, Peoples R China

4.Kansas State Univ, Dept Entomol, Manhattan, KS 66506 USA

5.USDA ARS, Ctr Grain & Anim Hlth Res, Manhattan, KS 66502 USA

关键词： Parasitoid;Braconidae;Reproductive diapause;Quality;Long-term storage;Biological control

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 64 卷 3 期

页码：

收录情况： SCI

摘要： The ectoparasitoid Habrobracon hebetor (Say) (Hymenoptera: Braconidae) is an important potential biological control agent for lepidopterous pests of stored products. We investigated the effects of long-term cold storage of diapausing and nondiapausing H. hebetor on their performance after cold storage. Mortality during storage increased with increasing storage duration, and the mortality of diapausing females was lower than that of nondiapausing females after 8, 12, and 16 weeks of storage. Longevity, egg laying, number of progeny produced, and time to 50% egg laying were all reduced, as compared with the culture females when parasitoids were reared at conditions that do not induce diapause. But, for females reared at 20 degrees C at conditions that induce diapause, all of these quality parameters did not differ from those of culture insects when the storage duration was 8 weeks or less. The percentage of female F1 offspring was always lower for cold stored insects than for the culture insects. Presence of a male after cold storage did not impact any of the quality parameters measured. Thus, rearing parasitoids at 20 degrees C and 10L: 14D and then storing them for up to 8 weeks at 5 degrees C would produce parasitoids that are similar to culture parasitoids, except that the percentage of females is lower than that in the cultures (36% vs. 52%). (C) 2012 Elsevier Inc. All rights reserved.

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