The external morphology of coeloconic sensilla (peg-like sense organs protruding from deep pits) on the postpedicel (third antennal segment) and maxillary palp from a female Megaselia scalaris (Loew) is described using scanning electron microscopy. The pegs of the sensilla located on the postpedicel are “starfruit-like” in shape and are completely contained within deep depressions. Transmission electron microscopy showed that each peg has a thick and nonporous wall. The coeloconic sensilla of the maxillary palps are long, linear, and blunt-tipped and protrude over the cuticular surface. Possible functions of the sensilla are discussed.
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1 January 2005
Ultrastructure of Coeloconic Sensilla on Postpedicel and Maxillary Palp of Megaselia scalaris (Diptera: Phoridae)
Kom Sukontason,
Kabkaew L. Sukontason,
Roy C. Vogtsberger,
Noppawan Boonchu,
Tarinee Chaiwong,
Somsak Piangjai,
Henry Disney
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Annals of the Entomological Society of America
Vol. 98 • No. 1
January 2005
Vol. 98 • No. 1
January 2005
antenna
coeloconic sensilla
maxillary palp
Megaselia scalaris
ultrastructure