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

Abstract

<abstract language="eng">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

Morfologia e duração dos ínstares larvais de Chrysomya putoria (Wiedemann) (Diptera, Calliphoridae), em laboratório

“…A morfometria foi baseada em 1020 exemplares, sendo 267 do primeiro ínstar; 205 do segundo e 548 do terceiro. As terminologias utilizadas para descrição dos ínstares larvais de C. putoria seguem as de Lopes (1943Lopes ( e 1982, McAlpine et al (1981) e Queiroz et al (1997).…”

Morfología del primer y segundo estadio larval de Peckia (Peckia) chrysostoma (Wiedemann, 1830) (Diptera, Sarcophagidae)

“…In general, the morphology of the structures studied also corresponds to that one found in other Diptera behaving like sarcosaprophagus as P. (P.) chrysostoma. Partial descriptions of larvae of P. (P.) chrysostoma were provided by Lopes (1943) and Lopes (1982) with illustrations of the cephalopharyngeal skeleton of the third instar larvae, and by Leite & Lopes (1989) with SEM photos of externar surface of first larval instar. The detailed description of the arrange of spines (here as spinules) of Leite & Lopes (1989) is combined here, with new data and illustrations of the specific pattern of spinules in the body wall and posterior spiracles, as well as the description of internal structures as the cephalopharyngeal skeleton.…”

“…In the case of Peckia (Peckia) chrysostoma (Wiedemann, 1830), the third larval instar was described by Lopes (1943), first and second instars are described in this paper.…”

“…Despite its great importance, the immature larval instars of many families of this order are little known and even more complicated on those groups of which taxonomy is unstable in adult stage. This is the case of sarcophagids, of which taxonomy is the subject of few studies (Lopes 1943, Jirón & Bolaños 1986, Leite & Lopes 1989, Méndez & Pape 2002, Sukontason et al 2003, Szpila & Pape 2005a, 2005b, Pérez-Moreno et al 2006, Szpila & Pape 2008.…”

Key to the adults of the most common forensic species of Diptera in South America

“…Some species are attracted by excrement and others have caused myiasis in man and domestic animals (Guimarães & Papavero 1999). Incubation to hatching of the eggs is intrauterine and females deposit first instar larvae, whose cephalopharyngeal skeleton is always strongly sclerotized (Lopes 1943, Shewell 1987.…”