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Memórias do Instituto Oswaldo Cruz

Print version ISSN 0074-0276On-line version ISSN 1678-8060

Mem. Inst. Oswaldo Cruz vol.38 no.2 Rio de Janeiro  1943 

Contribuição ao conhecimento das larvas dos Sarcophagidae com especial referência ao esqueleto cefálico (Diptera)

H. de Souza Lopes


The author publishes a comparative study of eleven species of Sarcophagid flies and gives a redescription of the larval stages of Musca domestica L. as a model. The work was made upon material obtained from Sarcophagidae reared in the Laboratory. Some of them were parasitic flies from Insects and other invertebrates. Protodexia was reared using the domestic cockroach (Periplaneta americana) instead of the Orthroptera or Mantodea its true hosts. The larvae obtained by dissection of female abdomen was reared in flesh or agarhorse serum. The last proceeding is very good since the skins of all larval stages can be conserved for study and it is possible to observe the ecdyses. Some of the larvae prefer dead snails (Bulimulus and Fruticicola) and is able to destroy larvae of other species found in the same molluscs. The first stage maggot can be obtained by dissections of dried female specimens and furnishes very good characters to determine the species and establish the philogenetical relationship of the genera in the family. Th pseudocephalon presents very curious ornaments or grooves in some species (Oxysarcodexia). Sometimes there is a pigmented capsule covering a great part of the pseudocephalon (Titanogrypa). The cephaloskeletal sclerietes have a peculiar shape and constitution for every species, mainly in the first stage maggot.


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