Produção Nacional
Comportamento e dieta alimentar de uma espécie de Latrodectus do grupo Mactans (Araneae, Theridiidae) em cativeiro
1999; Sociedade Brasileira de Zoologia; Volume: 16; Issue: 4 Linguagem: Inglês
10.1590/s0101-81751999000400008
ISSN1806-969X
AutoresMaría de Fátima da Rocha Dias, Tânia Kobler Brazil,
Tópico(s)Insect Resistance and Genetics
Resumo8ehavior and diet supply of Lalrodeclus group Maclans (Araneae, Theridiidae) in captivity.Lalrodeclus gr.maclans is responsible for 28% of aI! accidents provoked by spiders in state of Bahia, Brazil (1980-1990), which makes necessary the study ofits manejament.The spiders were captured in Ondina, Salvador, and in Baxio, Esplanada (Bahia, Brazil); they were mantained in captivity, with food supply weekly (Alia sp., larva of Tenebrio sp. and Drosophila me/anogasler) with three hours/ offers observation time, during march/95 to april/96.ln captivity, the spiders accepted two kinds of food : Alia sp., which seems to be the major item of its diet in natural conditions, and larva of Tenebrio sp., which is not available in natural conditions.Drosophi/a l1Ie/anogasler was systematically rejected.The feeding behavior is composed by four distinct steps: ( I) immobilization, (2) inoculation, (3) second immobilization and (4) ingestion.Two kinds ofsocial alimentalY behavior are described.The results indicated that larvae of Tenebrio sp. can be an alternative supply for successfull maintenance ofthis specie in captivity.
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