管氏肿腿蜂母子亲缘关系对抚育行为的影响

doi:10.16380/j.kcxb.2017.09.008

摘要/Abstract

摘要： 【目的】硬皮肿腿蜂属Sclerodermus寄生蜂具有合作抚育子代的准社会行为，可有效利用防卫较强的大体型寄主，但亲缘关系是否影响其合作有待深究。本研究旨在探究管氏肿腿蜂S. guani母蜂与子代蜂间的亲缘关系是否影响抚育行为。【方法】以黄粉虫Tenebrio militor初化蛹为寄主，采取连续录像回放观察的方法比较亲生和非亲生母蜂搬移子代幼虫的重要抚育行为，并观察子代蜂幼虫存活、化蛹、性比和体重等发育表现。【结果】亲生母蜂识别幼虫用时（32.73 s）与非亲生母蜂（19.64 s）没有显著差异，但在12 h内探查的幼虫数量（176头）比非亲生母蜂的多1倍。亲生母蜂转移一次幼虫的耗时（27.31 s）与非亲生母蜂的（41.55 s）没有显著差异；但2次搬运的间隔时间存在显著差异，亲生母蜂的间隔时间只有非亲生母蜂的60%。亲生母蜂与非亲生母蜂抚育的子代幼虫存活率没有显著差异，均高达90%；但亲生母蜂抚育的子代蜂蛹至成虫羽化率略高于非亲生母蜂抚育的子代蜂，分别为95.5%和91.4%。亲生母蜂与非亲生母蜂抚育的子代雌性比例没有显著差异，均偏雌（约90%），子代雌成虫体重也无显著差异。【结论】管氏肿腿蜂母子亲缘关系虽对抚育行为略有影响，但对子代发育的影响不明显。

关键词: 管氏肿腿蜂, 黄粉虫, 准社会行为, 亲缘关系, 亲本抚育, 亲缘选择

Abstract: 【Aim】 Sclerodermus parasitoids cooperate among foundresses (mated female wasps) in parental care, being an unique group performing quasi-social behavior in parasitoids. By cooperation foundresses can effectively exploit large sized hosts with stronger defenses, yet it is unclear if kinship among foundresses plays a role in this cooperation. This study aims to examine the effects of foundress-offspring kinship on maternal care behavior and offspring developmental performance in S. guani attacking the pupae of the host Tenebrio militor. 【Methods】 Maternal care provided by either a birth or adoptive foundress was evaluated by observing larva-translocation behavior using video camera and examining the developmental performance including larval survival, pupation, sex ratio, and body weight. 【Results】 The larva-recognition time by birth foundresses (32.73 s) was not significantly different from that by adoptive foundresses (19.64 s), but the number of larvae examined by birth foundresses with antenna-tapping (176 during 12 h) was twice as many as that by adoptive ones. The time for a bout of translocation did not differ between birth (27.31 s) and adoptive (41.55 s) foundresses. The interval in time between two bouts of translocation differed between two types of foundresses, of which birth foundresses had a shorter interval (60% of that by adoptive ones). The survival rate of offspring larvae tended by a birth foundress (90%) was not different from that by an adoptive foundress, yet the adult emergence rate from pupae was slightly higher for birth foundresses (95.5%) than that for adoptive foundresses (91.4%). The offspring sex ratio was female biased (90%) and did not differ between birth and adoptive foundresses. The body weight of adult female offspring was not significantly different between two kinds of foundresses. 【Conclusion】 The results of this study suggest that foundress-offspring kinship has a discernible effect on larvatranslocation behavior, but a negligible effect on offspring development.

Key words: Sclerodermus guani, Tenebrio militor, quasi-social behavior, kinship, parental care, kin selection

伍绍龙, 周志成, 彭曙光, 李玉辉, 李保平, 孟玲. 管氏肿腿蜂母子亲缘关系对抚育行为的影响[J]. , 2017, 60(9): 1041-1045.

WU Shao-Long, ZHOU Zhi-Cheng, PENG Shu-Guang, LI Yu-Hui, LI Bao-Ping, MENG Ling. Influence of foundresss-offspring kinship on maternal care behavior and offspring developmental performance in Sclerodermus guani (Hymenoptera: Bethylidae) [J]. , 2017, 60(9): 1041-1045.

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链接本文: http://www.insect.org.cn/CN/10.16380/j.kcxb.2017.09.008

http://www.insect.org.cn/CN/Y2017/V60/I9/1041

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管氏肿腿蜂母子亲缘关系对抚育行为的影响

Influence of foundresss-offspring kinship on maternal care behavior and offspring developmental performance in Sclerodermus guani (Hymenoptera: Bethylidae)

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