Antennal and palpal sensilla of three predatory Lispe species (Diptera: Muscidae): an ultrastructural investigation

Abstract Antennae and maxillary palps are the most important chemical reception organs of flies. So far, the morphology of antennae and maxillary palps of flies of most feeding habits have been well described, except for that of relatively rare aquatic predatory species. This study describes sensill...

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Autores principales:	Genting Liu, Qike Wang, Xianhui Liu, Xinyu Li, Xiunan Pang, Dong Zhang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/46ac2a441d0747c3a22be51d9f9ef800
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spelling	oai:doaj.org-article:46ac2a441d0747c3a22be51d9f9ef8002021-12-02T18:33:55ZAntennal and palpal sensilla of three predatory Lispe species (Diptera: Muscidae): an ultrastructural investigation10.1038/s41598-021-97677-72045-2322https://doaj.org/article/46ac2a441d0747c3a22be51d9f9ef8002021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-97677-7https://doaj.org/toc/2045-2322Abstract Antennae and maxillary palps are the most important chemical reception organs of flies. So far, the morphology of antennae and maxillary palps of flies of most feeding habits have been well described, except for that of relatively rare aquatic predatory species. This study describes sensilla on antennae and maxillary palps of three aquatic predatory Lispe species: Lispe longicollis, L. orientalis and L. pygmaea. Types, distribution, and density of sensilla are characterised via light and scanning electron microscopy. One type of mechanoreceptors is found on antennal scape. Mechanoreceptors (two subtypes) and one single pedicellar button (in L. pygmaea) are located on antennal pedicel. Four types of sensilla are discovered on antennal postpedicel: trichoid sensilla, basiconic sensilla (three subtypes), coeloconic sensilla and clavate sensilla. A unique character of these Lispe species is that the coeloconic sensilla are distributed sparsely on antennal postpedicel. Mechanoreceptors and basiconic sensilla are observed on the surface of maxillary palps in all three species. We demonstrated clear sexual dimorphism of the maxillary palps in some of the Lispe species, unlike most other Muscidae species, are larger in males than females. This, along with their courtship dance behaviour, suggest their function as both chemical signal receiver and visual signal conveyer, which is among the few records of a chemical reception organ act as a signal conveyer in insects.Genting LiuQike WangXianhui LiuXinyu LiXiunan PangDong ZhangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Genting Liu Qike Wang Xianhui Liu Xinyu Li Xiunan Pang Dong Zhang Antennal and palpal sensilla of three predatory Lispe species (Diptera: Muscidae): an ultrastructural investigation
description	Abstract Antennae and maxillary palps are the most important chemical reception organs of flies. So far, the morphology of antennae and maxillary palps of flies of most feeding habits have been well described, except for that of relatively rare aquatic predatory species. This study describes sensilla on antennae and maxillary palps of three aquatic predatory Lispe species: Lispe longicollis, L. orientalis and L. pygmaea. Types, distribution, and density of sensilla are characterised via light and scanning electron microscopy. One type of mechanoreceptors is found on antennal scape. Mechanoreceptors (two subtypes) and one single pedicellar button (in L. pygmaea) are located on antennal pedicel. Four types of sensilla are discovered on antennal postpedicel: trichoid sensilla, basiconic sensilla (three subtypes), coeloconic sensilla and clavate sensilla. A unique character of these Lispe species is that the coeloconic sensilla are distributed sparsely on antennal postpedicel. Mechanoreceptors and basiconic sensilla are observed on the surface of maxillary palps in all three species. We demonstrated clear sexual dimorphism of the maxillary palps in some of the Lispe species, unlike most other Muscidae species, are larger in males than females. This, along with their courtship dance behaviour, suggest their function as both chemical signal receiver and visual signal conveyer, which is among the few records of a chemical reception organ act as a signal conveyer in insects.
format	article
author	Genting Liu Qike Wang Xianhui Liu Xinyu Li Xiunan Pang Dong Zhang
author_facet	Genting Liu Qike Wang Xianhui Liu Xinyu Li Xiunan Pang Dong Zhang
author_sort	Genting Liu
title	Antennal and palpal sensilla of three predatory Lispe species (Diptera: Muscidae): an ultrastructural investigation
title_short	Antennal and palpal sensilla of three predatory Lispe species (Diptera: Muscidae): an ultrastructural investigation
title_full	Antennal and palpal sensilla of three predatory Lispe species (Diptera: Muscidae): an ultrastructural investigation
title_fullStr	Antennal and palpal sensilla of three predatory Lispe species (Diptera: Muscidae): an ultrastructural investigation
title_full_unstemmed	Antennal and palpal sensilla of three predatory Lispe species (Diptera: Muscidae): an ultrastructural investigation
title_sort	antennal and palpal sensilla of three predatory lispe species (diptera: muscidae): an ultrastructural investigation
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/46ac2a441d0747c3a22be51d9f9ef800
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Antennal and palpal sensilla of three predatory Lispe species (Diptera: Muscidae): an ultrastructural investigation

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