Synergistic attraction of kleptoparasitic flies, Desmometopa spp. (Diptera: Milichiidae) to two vespid venom volatiles, trans-conophthorin and N-(3-methylbutyl)acetamide

IF 1.6 3区环境科学与生态学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY Chemoecology Pub Date : 2021-09-30 DOI:10.1007/s00049-021-00365-1

Qing-He Zhang, Doreen R. Hoover, Darby R. McMillian, Guiji Zhou, Armenak Margaryan, Dewayne O. Welshons, Allen L. Norrbom, Jeffrey R. Aldrich

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Abstract

Spiroacetals such as E-7-methyl-1,6-dioxaspiro[4,5]decane (trans-conophthorin; tC) and acetamides [predominantly N-(3-methylbutyl)acetamide; N3MBA], are two major groups of volatiles discovered in venoms of many Vespidae. In the course of testing the attractiveness of tC and N3MBA to Vespidae using Rescue^® Wasp TrapStiks, a significant number of female milichiids, Desmometopa nearctica Sabrosky and D. sordida (Fallén) (Diptera: Milichiidae) were trapped as well. However, the attraction of vespid wasps was not significant at the dosages tested. We found a significant synergistic effect of tC and N3MBA in attracting Desmometopa flies. Both D. nearctica and D. sordida are kleptoparasitic species; and we conclude that females of these two milichiid flies use tC and N3MBA (and likely other volatiles) released from venom glands of the social vespids (yellowjackets, paper wasps and hornets) as kairomones to locate disturbed, injured, or freshly killed insects (vespids and/or their prey) as a protein-rich food source for egg development and production.

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盗寄生蝇(双翅目:绵蝇科)对两种毒液挥发物反式甲虫啉和N-(3-甲基丁基)乙酰胺的协同吸引作用

螺缩醛类，如e -7-甲基-1,6-二恶斯匹罗[4,5]癸烷(反甲硫醚);tC)和乙酰胺[主要是N-(3-甲基丁基)乙酰胺;N3MBA]，是在许多蜘蛛科的毒液中发现的两大类挥发物。在用Rescue®捕蜂棒检测tC和N3MBA对黄蜂的吸引力的过程中，还捕获了大量的雌蜂、近arctica Desmometopa Sabrosky和sordida (fall)(双翅目:蠓科)。然而，在试验剂量下，对寄生蜂的吸引力不显著。我们发现tC和N3MBA在吸引小蝇虻方面具有显著的协同效应。nearctica和sordida均为盗寄生种;我们得出的结论是，这两种乳蝇的雌性使用从社会性黄蜂(黄马蜂、纸黄蜂和大黄蜂)的毒腺中释放的tC和N3MBA(以及可能的其他挥发物)作为kairomones来定位受到干扰的、受伤的或刚被杀死的昆虫(黄蜂和/或它们的猎物)，作为蛋白质丰富的食物来源，用于卵的发育和生产。

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来源期刊

Chemoecology 环境科学-生化与分子生物学

CiteScore

4.20

自引率

0.00%

发文量

审稿时长

>36 weeks

期刊介绍： It is the aim of Chemoecology to promote and stimulate basic science in the field of chemical ecology by publishing research papers that integrate evolution and/or ecology and chemistry in an attempt to increase our understanding of the biological significance of natural products. Its scopes cover the evolutionary biology, mechanisms and chemistry of biotic interactions and the evolution and synthesis of the underlying natural products. Manuscripts on the evolution and ecology of trophic relationships, intra- and interspecific communication, competition, and other kinds of chemical communication in all types of organismic interactions will be considered suitable for publication. Ecological studies of trophic interactions will be considered also if they are based on the information of the transmission of natural products (e.g. fatty acids) through the food-chain. Chemoecology further publishes papers that relate to the evolution and ecology of interactions mediated by non-volatile compounds (e.g. adhesive secretions). Mechanistic approaches may include the identification, biosynthesis and metabolism of substances that carry information and the elucidation of receptor- and transduction systems using physiological, biochemical and molecular techniques. Papers describing the structure and functional morphology of organs involved in chemical communication will also be considered.