Antennal sensilla in Cyclocephala literata Burmeister, 1847 (Coleoptera: Scarabaeidae: Dynastinae)

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2022-01-01 DOI:10.1590/1676-0611-bn-2021-1292

Rafael Reverendo Vidal Kawano Nagamine, Cleicimar Gomes Costa, Juares Fuhrmann, S. R. Rodrigues

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引用次数: 1

Abstract

Abstract: Adults of the beetle Cyclocephala literata Burmeister, 1847 are important pollinators to some Magnoliaceae. Is known that insects could find host plants by detecting volatiles through antennal sensilla. Cyclocephala has its three distal antennomeres lamellate, and the surface of each lamella has sensilla trichodea, chaetica, placodea, coeloconica, basiconica and ampullacea. Three kinds of sensilla placodea were found (type I, II and III), and two kinds of sensilla coeloconica were observed (type I and II). Females have on average 10,776 sensilla, of which 10,214 are sensilla placodea, 536 are sensilla coeloconica, and 26 are sensilla basiconica. Males have on average 10,386 sensilla, of which 9,873 are sensilla placodea, 464 are sensilla coeloconica, and 49 are sensilla basiconica. Males and females have similar quantities of sensilla, and sensilla placodea are predominant. The differences observed in the number of sensilla of males and females were found in other beetles and were attributed to the detection of cospecific sexual pheromones by one of the sexes, or to the detection of plant volatiles. The antennal sensilla of C. literata is described and quantified in present study, and some perspectives about the differences kind of chemical communication, pollination, and antennae dimorphism is discussed.

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摘要/ Abstract摘要:Cyclocephala literata Burmeister, 1847是一些木兰科植物的重要传粉者。众所周知，昆虫可以通过触角感受器检测挥发物来寻找寄主植物。环头的三个远端触角呈片状，每个薄片的表面有毛感器、毛感器、盘感器、腔感器、基感器和壶壶。雌性平均有10776个感受器，其中placodea感受器10214个，coeloconica感受器536个，basiconica感受器26个。雄性平均有10386个感受器，其中placodea感器9873个，coeloconica感器464个，basiconica感器49个。雄性和雌性有相似数量的感受器，以placodea感受器为主。在其他甲虫中也发现了雄性和雌性感受器数量的差异，这可能是由于一种性别对共特异性性信息素的检测，或者是对植物挥发物的检测。本文对黄杨的触角感受器进行了描述和定量化，并对其在化学通讯、传粉和触角二态性方面的差异进行了讨论。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.