Diferença entre as espécies de Timbó (Derris Spp., Fabaceae) de diferentes regiões da Amazônia no controle da Musca domestica L.

• Autor(a) principal: Costa, José Paulo Chaves da
• Data de Publicação: 1999
• Outros Autores: Belo, Muracy [UNESP]
• Tipo de documento: Artigo
• Idioma: por
• Título da fonte: Repositório Institucional da UNESP
• Texto Completo: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59671999000300349&lng=pt&nrm=iso&tlng=en; http://hdl.handle.net/11449/127426
• topic: Amazonia; Control; Florestal refugies; Musca domestica; Timbo; Amazônia; Controle; Musca domestica; Refúgios Florestais; Timbó

The roots' powder of timbo species collected in different regions of Amazonia that were tested in larvae groupings, didn't produce differential significative effects in two strains of Musca domestica. The two species with the greater number of plants used in the trial were Derris urucu and Derris nicou; the individuals from the species came from regions considered as "forestal refugies" during the Amazonian pleistocene. Among each species the plants varied since that inefficient to control, until plants lethals to the fies. This differential capacity for larvae control among plants of the same species, originated from different regions, suggests that both species had their populations isolated, during the quaternary epoch. In regions or "forestal refugies", where both species were represented, D. urucu was superior to D. nicou in the capacity to control larvae. While among plants from F region (Peruvian-East refuge) of the State of Acre, the two species had convergence in the values of damage to larvae groupings. Among the another species, Derris sp. (yellow timbo or watermelon timbo) didn't show differences in larvae control between samples from the two regions; while the species that was introduced in the Amazonia Denis elleptica showed damage in the larvae groupings similar to the most effective plants of D. nicou and D. urucu.