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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 92, No. 2, 1997, pp. 187-196
Bioline Code: oc97040
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 92, No. 2, 1997, pp. 187-196

 en Morphological aspects of the larval instars of Chrysomya albiceps (Diptera, Calliphoridae) reared in the laboratory
Margareth Maria de Carvalho Queiroz; Rubens Pinto de Mello & Marli Maria Lima

Abstract

In order to study the morphology of young Chrysomya albiceps forms,
newly hatched larvae were collected at 2 hr intervals, during the first 56
hr; after this time the collection was made at 12 hr intervals. For
identification and drawing, larvae were placed between a slide and a
coverslip. The cephalopharyngeal skeletons along with the first and last
segments were cut off for observation of their structures and spiracles.
The larvae present microspines, which are distributed randomly throughout
the 12 segments of the body surface; the cephalopharyngeal skeleton varies
in shape and extent of sclerotization according to larval instar; the
second and third instars have relatively long processes (tubercles) on the
dorsal, lateral and ventral surfaces, with microspine circles on the
terminal portion.

Keywords
blowfly - Chrysomya albiceps - larval morphology

 
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