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Parasitol Res

Title:		"Ultrastructure of antennal sensory organs of horse nasal-myiasis fly, Rhinoestrus purpureus (Diptera: Oestridae)"
Author(s):		Liu XH; Li XY; Li K; Zhang D;
Address:		"Key Laboratory of Non-Invasive Research Technology for Endangered Species, School of Nature Conservation, Beijing Forestry University, Beijing, China"
Journal Title:		Parasitol Res
Year:		2015
Volume:		20150410
Issue:		7
Page Number:		2527 - 2533
DOI:		10.1007/s00436-015-4453-8
ISSN/ISBN:		1432-1955 (Electronic) 0932-0113 (Linking)
Abstract:		"Rhinoestrus purpureus (Brauer, 1858) (Diptera: Oestridae) is an economically important parasite that can cause severe nasal myiasis in equids or even attacking humans. The antennae of R. purpureus were examined using stereoscopic microscopy and scanning electron microscopy. The general morphology was provided detailedly, together with distribution, type, size, and ultrastructure of antennal sensilla. All the three antennal segments, antennal scape, pedicel, and funiculus, are interspersed by microtrichiae. Only mechanoreceptors are detected on antennal scape and pedicel. On antennal funiculus, three types of sensilla were observed, including basiconic sensilla, coeloconic sensilla and clavate sensilla. Two features are characterized of this host-specific bot fly: (1) numerous sensory pits with branched basiconic sensilla on antennal funiculus and (2) the absence of trichoid sensilla. The function of these distinctive traits are discussed in association with the life history. We suggest that more sensory pits with branched sensilla could increase the sensitivity of olfactory system for host orientation, while the capability of pheromone identification might be reduced due to the absence of trichoid sensilla. Besides, we support both thermo- and chemo-functions of coeloconic sensilla"
Keywords:		"Animals Diptera/physiology/*ultrastructure Horse Diseases/*parasitology Horses Host Specificity Mechanoreceptors/ultrastructure Microscopy, Electron, Scanning Myiasis/parasitology/*veterinary Nose/parasitology Phenotype Sensilla/*ultrastructure Social Beh;"
Notes:		"MedlineLiu, X H Li, X Y Li, K Zhang, D eng Research Support, Non-U.S. Gov't Germany 2015/04/11 Parasitol Res. 2015 Jul; 114(7):2527-33. doi: 10.1007/s00436-015-4453-8. Epub 2015 Apr 10"