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Revista Brasileira de Zoologia

Print version ISSN 0101-8175

Rev. Bras. Zool. vol.9 no.3-4 Curitiba  1992 

Estudo comparado do desenvolvimento de dois morfotipos larvais de Cochliomyia macellaria (Fabricius) (Diptera, Calliphoridae)1


Comparative study of the development of two larvae morphotypes of Cochliomyia macellaria (Fabricius) (Diptera, Calliphoridae)



Sandra L. Cunha-e-SilvaI; Eliane M.V. Milward-de-AzevedoII

IDepartamento de Estudos Básicos e Instrumentais, Universidade Estadual do Sudoeste da Bahia, 45700-000 Itapetinga, Bahia, Brasil
IIDepartamento de Biologia Animal, Universidade Federal Rural do Rio de Janeiro, 23851-970 Itaguaí, Rio de Janeiro, Brasil. Bolsista do CNPq




The possible dissimilitudes relating to the duration of the egg incubation period and larval stage of Cochliomyia macellaria (Fab., 1775) from offsprings of females from larvae with and without pigmentation on Malpighi tubules, morphotype 1 and 2, respectively, was questioned. The experiment was conducted in climatized chamber regulated at 30ºC, 65±10% RH and 14 hour photophase. No significant difference was observed on average duration of first and second larval instars berween the two morphotypes, taking into account not only the conventional interpretation for the reading of different development phases of the larval stages (morphotype 1:11.0 and 11.9 hours and morphotype 2:11.7 and 12.7 hours for first and second instars, respectively), but also the reading made through the interpretation preconized by Snodgrass & Hinton (morphotype 1:10.3 and 9.6 hours and morphotype 2:9.8 and 10.8 hours for the first and second instars, respectively). The incubation period was significantly longer for eggs posited by females from non-pigmented larvae.

Key words: Secondary screwworm; blow fly; ontogeny, carrion-eating dipterous, necrophagous flies



Texto completo disponível apenas em PDF.

Full text available only in PDF format.




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Recebido em 03.II.1992; aceito em 03.V.1993.



1 Pesquisa desenvolvida com auxílio do CNPq.

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