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Microsc Res Tech

Title:		"Scanning electron microscopy analysis of the cephalic sensilla of Chrysolina aeruginosa Fald. (Coleoptera, Chrysomelidae)"
Author(s):		Zhang L; Ren LL; Luo YQ; Zong SX;
Address:		"The Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University, Beijing, 100083, People's Republic of China"
Journal Title:		Microsc Res Tech
Year:		2013
Volume:		20130211
Issue:		4
Page Number:		423 - 431
DOI:		10.1002/jemt.22183
ISSN/ISBN:		1097-0029 (Electronic) 1059-910X (Linking)
Abstract:		"Chrysolina aeruginosa Fald. (Coleoptera, Chrysomelidae) is an important pest of Artemisia ordosica Krasch. In recent years, this phytophagous beetle has spread rapidly throughout northwest China, which has led to mass mortalities of the A. ordosica. This pest has caused great damage to the local ecology. To address this problem, this study compared the sensilla types and their densities on the antennae, maxillary palps, and labial palps of C. aeruginosa. Six different types of sensilla were observed on the antennae using scanning electron microscopy, i.e., sensilla chaetica, sensilla trichodea, sensilla basiconica, sensilla coeloconica, sensilla styloconica, and Bohm bristles. Sensilla chaetica were the main sensilla on the antennae. There was a significant difference in the distribution and density of sensilla trichodea between males and females. Sensilla basiconica were distributed from the fifth to the ninth flagellomeres. Sensilla coeloconica and sensilla styloconica were usually found from the fifth to the eighth flagellomeres. Bohm bristles were found only on the terminal region of the scape and pedicel. Sensilla chaetica and sensilla twig basiconica were observed on the maxillary and labial palps. Sensilla chaetica were distributed all over the maxillary and labial palps. Sensilla twig basiconica were located in the distal areas of these two types of palps. In this study, we also discussed the responses of C. aeruginosa to the volatile semiochemicals produced by their host plants and the behaviours exhibited during host and habitat selection"
Keywords:		"Animals Coleoptera/chemistry/growth & development/*ultrastructure Female Male Microscopy, Electron, Scanning Organ Size Sensilla/chemistry/growth & development/*ultrastructure;"
Notes:		"MedlineZhang, Lu Ren, Li-Li Luo, You-Qing Zong, Shi-Xiang eng Research Support, Non-U.S. Gov't 2013/02/13 Microsc Res Tech. 2013 Apr; 76(4):423-31. doi: 10.1002/jemt.22183. Epub 2013 Feb 11"