Abstract
Problem statement: This is the first time that a phoretic association and facultative parasitoidism between Megaselia scalaris and blowflies (Diptera: Calliphoridae) has been reported under natural conditions. Approach: All fly specimens were collected in the mangrove swamp in Itaborai, RJ, Brazil. Results: A total of 291 flies were collected belonging to four (04) species of the family Calliphoridae: Chrysomya megacephala (Fabricius) (280), Cochliomyia macellaria (Fabricius) (05), Chrysomya albiceps (Wiedemann) (05), Chrysomya putoria (Wiedemann) (01) and all had third instar larvae of M. scalaris or had eggs of the Phoridae attached to their bodies. The specimens were separated and the flies, larvae and eggs were then identified. Conclusion/Recommendations: The highest prevalence for the capture of these flies was in the spring. From the study performed we conclude that M. scalaris acting as a facultative parasitoid of insects could be of great significance showing the need to screen laboratories more securely against invasions by M. scalaris.
Highlights
1975) and the genus Megaselia Rondani bait used was based on fish in decomposition includes around 1,400 species distributed in the tropics
All Phoridae adults found inside the traps were identified as M. scalaris and the species C. megacephala showed higher occurrence of the third instar larvae of M. scalaris or eggs of the Phoridae parasitoid attached to their bodies
The species M. scalaris have a wide geographical of Megaselia scalaris distribution (Borgmeier, 1968; Costa et al, 2007) and according to Manix (1964) can be found in the tropics and subtropics
Summary
1975) and the genus Megaselia Rondani bait used was based on fish (sardine) in decomposition includes around 1,400 species distributed in the tropics (methods according to Batista-Da-Silva et al, 2010). This study was asphyxiation with 70% ethanol inside the traps and all carried out to report the occurrence of the scuttle fly, M. specimens were put into plastic pots containing scalaris as a parasitoid of blowflies and the 70% ethanol for transportation to the Laboratory of occurrence of blowflies as phoretic of M. scalaris under Leishmaniasis Transmitters All specimens were collected in a small part of keys for families and species according to Mello the mangrove swamp in Guapi-Mirim Environmental (2003); Disney and Ashmole (2004); Disney (2005). 22° 46’ 50” latitude and W 42° 57’ 00” - 43° 06’ 40” using a stereoscopic microscope
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