Histerid beetles (Coleoptera): survey and seasonality on poultry manure in caged layer hens

The species composition and the seasonality of histerid beetles were studied in Monte Mor (SP) from September 1992 to September 1993 at 15 d. intervals using pitfall-trap and Berlese's funnel. Seven species of histerid beetles were recorded: Euspilotus modestus Erichson, Carcinops troglodytes Paykull, Euspilotus (Hesperosaprinus) sp., Hololepta quadridentata Fab., Hister dubius Mars., Acritus sp. and Phelister sp.. E. modestus (52%) and C. troglodytes (33%) were the most abundant. They showed the highest association (1) of Whittaker & Fairbanks index. The sampling methods had a direct influence on the numbers of beetles, principally, to E. modestus and C. troglodytes.Foi feito levantamento das espécies de histerídeos na granja Capuavinha, Monte Mor, SP, quinzenalmente entre setembro de 1992 e setembro de 1993, utilizando-se dois métodos de coleta: armadilhas-de-solo e funil-de-Berlese. As espécies de histerídeos encontradas foram identificadas como: Euspilotus modestus Erichson, Carcinops troglodytes Paykull, Euspilotus (Hesperosaprinus) sp., Hololepta quadridentata Fabricius, Hister dubius Mars., Acritus sp. e Phelister sp. Dentre elas, E. modestus e C. troglodytes somaram 85% dos histerídeos coletados, e predominaram em todas as 26 coletas realizadas. O índice de associação de Whittaker & Fairbanks (1958) entre as duas espécies ficou em 1 (100% de associação). A metodologia utilizada para a coleta de histerídeos predadores em acúmulo de esterco de aves poedeiras influenciou diretamente a amostragem das populações, principalmente para E. modestus e C. troglodytes.55155

Survey and seasonality of Omorgus (Omorgus) suberosus (Fabr.) (Trogidae: Coleoptera) in poultry manure, in Monte Mor, SP

Trogidae is a cosmopolitan family whose species have mainly necrophagous habits. They are among the last groups of the sucession of insects that invade carcasses, but they have also been recorded feeding on bat guano in caves, locust eggs, fly maggots and unusual itens, such as old carpet and felt-hat. From July 1991 to September 1993 the trogid beetle Omorgus (Omorgus) suberosus (Fabr.) (Coleoptera:Trogidae) were abundantly collected in poultry manure in Monte Mor, SP, with pitfall-traps. The seasonal distribution showed the unimodal pattern with peaks into spring and summer.74975

Ticks from the Brazilian Amazon: Species, Distribution and Host-Relations

Ticks are important ectoparasites and can transmit a wide variety of pathogens to animals and humans worldwide. These ectoparasites are the most important vectors of diseases causing pathogens in domestic and wild animals, and the second for man. In Brazil, Spotted Fever is the only disease transmitted to humans by ticks, while for animals we can highlight babesiosis, ehrlichiosis and anaplasmosis. Although ticks are found in all of Brazil’s biomes, little is known about its diversity and host-relations in the Amazon biome. The existing gaps and the lack of research indicate that the diversity of ticks and their possible pathogens are underestimated in the Brazilian Amazon. Therefore, in order to guide the next studies in the Amazon biome, we present in this chapter a compilation of the records of hard ticks and soft ticks parasitizing wild and domestic animals, and humans. We present the general list of ticks for this biome, their distribution, hosts and importance for public health and veterinary. Finally, the ixodofauna found in the Brazilian Amazon and presented here does not match the vertebrate diversity of this biome, which is one of the largest on the planet. Therefore, more acarologists and epidemiologists are needed in this region