Calliphorid fly (Diptera, Calliphoridae) attraction to different colored traps in the Tingua Biological Reserve, Rio de Janeiro, Brazil

Abstract

ABSTRACT.The present study intended to analyze calliphorid attraction to traps painted in a variety of colors and the calliphorid constancy index in the Tingua Biological Reserve, Rio de Janeiro state, Brazil. The Diptera were collected monthly in the Reserve, between 2002 and 2005, totaling 24 samplings. Four traps containing sardines as bait were painted olive green, blood red, black, or white and exposed for 48 h at four equidistant points, 50 m from each other. To determine the calliphorid species constancy, the Bodenheirmer constancy index was used throughout the study. To analyze differences in the total abundance between species and in their color selection, an ANCOVA test with a significance level of 5 % and a Tukey post-test were used, considering the categories species and color as cofactors and climatic variables as co-variables (temperature, relative humidity and precipitation), since the samples were collected over two years. 10,444 insects were captured. Of these, 56 % belonged to the Calliphoridae family, totaling 13 species, with the most frequent species being Laneela nigripes (28.5 %), Hemilucilia semidiaphana (17 %), and Mesembrinella sp. (16.4 %). The other species had frequencies lower than 12 %. Nine species were considered constant, two accessories, and two accidental. The data indicated that the most frequent species presented significant differences between themselves concerning abundance over the captured months, however, the Tukey post-test indicated differences only between a few of them. The black trap presented the higher relative calliphorid frequency (27.34 %), followed by green (25 %), red (24.0 %), and white (23.7 %), although the species abundance in the different colored traps did not differ significantly among themselves. Therefore, there was no Calliphorid flies preference for any of the tested colors. KEYWORDS. Alternative control, behavior, blowflies, colored traps.RESUMO. Atração de califorídeos (Diptera, Calliphoridae) por diferentes cores de armadilhas na Reserva Biológica do Tinguá, Rio de Janeiro, Brasil. O presente estudo teve como objetivo analisar a atração de califorídeos por armadilhas pintadas com diferentes cores de tinta e calcular o índice de constância destas moscas na Reserva Biológica do Tinguá, Rio de Janeiro. Os dípteros foram coletados mensalmente na Reserva entre 2002 e 2005, totalizando 24 amostras. Quatro armadilhas contendo sardinha como isca foram pintadas com tinta nas cores verde (oliva), vermelho (sangue), preto e branco e foram expostas por 48h em quatro pontos equidistantes distanciadas 50 metros entre si. Para determinar a constância das espécies de califorídeos, o índice de constância Bodenheirmer foi utilizado. E para analisar as diferenças nas abundâncias totais entre as espécies e a seleção de cor por elas, foi utilizado um teste de análise de co-variância (ANCOVA) com nível de significância de 5 % e pós-teste Tukey, considerando as categorias espécies e cor como cofatores e as variáveis ambientais como co-variáveis já que as coletas fora...

Feline Forensics: Revealing the Unique Decomposition of Cats

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Mesembrinellinae (Diptera: Calliphoridae) to edge effects in the Tinguá Biological Reserve, Rio de Janeiro, Brazil

“…Ferraz et al (2009Ferraz et al ( , 2010b identified five genera and ten species of a total of 3,378 individuals belonging to this subfamily associated with fish (sardines), representing 39.67% of the total number of Calliphoridae collected monthly in a year-long study in Rebio-Tinguá, Brazil, in three different sampling sites. Of the 10,444 insects collected by Mello et al (2009) in this area of Atlantic forest, four genera and six species belonged to the Mesembrinellinae family, and revealed no significant difference in the attractiveness of flies to traps of different colors (black, white, green and red). A faunistic study of asynantropic flies of the Calliphoridae families, in three different landscapes of the Colombian Amazon, registrated two genera of Mesembrinellinae including the first record of Mesembrinella batesi (Aldrich, 1922) in Colombia (Amat, 2010).…”

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“…Work involving this group has been restricted to description, and no surveys have specifically targeted it (Marinho et al, 2006;Ferraz et al, 2009;Mello et al, 2009;Amat, 2010).…”

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