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Microsc Res Tech

Title:		Sexual dimorphism in antennal morphology and sensilla ultrastructure of Dendrolimus tabulaeformis Tsai et Liu (Lepidoptera: Lasiocampidae)
Author(s):		Zhang S; Zhang Z; Kong X; Wang H;
Address:		"Key Laboratory of Forest Protection, Research Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry, State Forestry Administration, Beijing, China"
Journal Title:		Microsc Res Tech
Year:		2013
Volume:		20121017
Issue:		1
Page Number:		50 - 57
DOI:		10.1002/jemt.22134
ISSN/ISBN:		1097-0029 (Electronic) 1059-910X (Linking)
Abstract:		"Insects rely heavily on olfaction to locate habitat, mates, and oviposition sites, while odorant molecules and the antennal olfactory sensory cells of insects are two indispensable components of olfactory response. Our previous work identified the sex pheromones and volatile compounds derived from host plant of Dendrolimus tabulaeformis Tsai et Liu, a serious economic pest of pines in northern China. However, little is known about the olfactory system of D. tabulaeformis, especially in females. To make a better understanding of the D. tabulaeformis olfactory response, we investigated the structure, innervation, numbers, and distribution of sensilla on the antennae of male and female moth, based on scanning and transmission electron microscopy. The pinniform antennae of this moth bear five types of sensilla: trichoid (TS), basiconica (BS), styloconic (StS), and chaetica (ChS) sensilla, and belt-type structures (BTSs). The BTSs are hollow and are not chemical sensilla. The ChSs occur on the scape. StS contain dendrite sheaths and four dendrites containing microtubules in their cores. The BS contents are continuous with that in the subsegments. The TSs were sexually dimorphic and could be divided into 12 subtypes based on dendrite number and form. TS1-4 contained two, three, or four dendrites and were similar in both sexes. TS 5-8 and TS 9-12 occurred only on male and female antenna, respectively. We discussed the possible functions of these sensilla"
Keywords:		"Animals Arthropod Antennae/*anatomy & histology Female Male Microscopy, Electron, Scanning Microscopy, Electron, Transmission Moths/anatomy & histology/ultrastructure Sensilla/anatomy & histology/*ultrastructure Sex Characteristics;"
Notes:		"MedlineZhang, Sufang Zhang, Zhen Kong, Xiangbo Wang, Hongbin eng Comparative Study Research Support, Non-U.S. Gov't 2012/10/19 Microsc Res Tech. 2013 Jan; 76(1):50-7. doi: 10.1002/jemt.22134. Epub 2012 Oct 17"