Análise da riqueza da fauna de Braconidae (Hymenoptera, Ichneumonoidea) em remanescentes naturais da Area de Proteção Ambiental (APA) de Descalvado, SP / Analysis of the Braconidae (Hymenoptera, Ichneumonoidea) fauna riches in natural remnants of the Area de Proteção Ambiental (APA) of Descalvado, SP

Analysis of the Braconidae (Hymenoptera: Ichneumonoidea) fauna richness in natural remnants of the Area de Proteção Ambiental (APA) of Descalvado, SP. A survey of the Braconidae fauna on fragmentary natural environments at northeast São Paulo State was conducted using Malaise traps installed in five sites of Area de Proteção Ambiental of Descalvado. A total of 2,262 specimens, representing 22 subfamilies and 94 genera, was sampled throughout a period of sixteen months (from May, 1999 to August, 2000). Biological data were obtained from current literature and behavior patterns of host utilization for the studied fauna, mainly Braconidae which have been successful in control of agricultural insect pests. Statistical analyses indicated that the asymptote of the genera richness has been approached using this sampling method. This is the most complete survey yet available from natural fragmentary areas of the Descalvado Braconidae fauna. Patterns of distribution and richness of the Braconidae genera were established. Cluster Analysis was adopted taking as attribute the number of Braconidae genera

Fenologia dos Braconidae (Hymenoptera, Ichneumonoidea) da Area de Proteção Ambiental (APA) de Descalvado, SP / Phenology of the Braconidae (Hymenoptera, Ichneumonoidea) at Area de Proteção Ambiental of Descalvado, São Paulo State

Phenology of the Braconidae (Hymenoptera, Ichneumonoidea) at Area de Proteção Ambiental of Descalvado, São Paulo State. The flight phenology of the Braconidae fauna was conducted using Malaise traps in five sites of the Environmental Protected Area of Descalvado. A total of 2,792 specimens, representing 22 subfamilies, was sampled throughout a period of sixteen months from May, 1999 to August, 2000. The traps catches for koinobionts peak was in August, 1999 a month before of the idiobionts peak and in June, 2000 both peaks were simultaneous. The phenological peaks of dominant koinobiont taxa (Microgastrinae) were similar to all koinobionts, and the peaks of dominant idiobiont taxa (Doryctinae) were similar to all idiobionts, as well. December, 1999 and February, 2000 were the richer months in number of subfamilies (N= 19 and 18, respectivaly), corresponding to the same period when the subfamilies which potentially attack Lepidoptera where collected. The number of females was superior to the number of males and this relation was more accentuated in koinobionts. The peaks of both females and males were similar to dominate koinobiont and idiobionte taxa