This paper presents comparative and faunistic analysis of the species of fruit flies captured in McPhail traps (from June to December 2002) baited with 5% corn protein hydrolyzed. Species richness and the patterns of population are compared between forest and orchard environments and between the counties of Palmas and Porto Nacional. A total of 1,748 individuals of Tephritidae belonging to species of three genera were collected: Tomoplagia Coquillett, 1910, Anastrepha Schiner, 1868 and Ceratitis MacLeay, 1829. Species of three genera of Lonchaeidae were also captured: Lonchaea Fallén, 1820, Neosilba McAlpine, 1962 and Dasiops Rondani, 1856. Ceratitis capitata (Wiedemann, 1824) and nineteen species of the genus Anastrepha were collected. Most of the collected individuals (69.1%) belonged to A. obliqua (Macquart, 1935). The average numbers of tephritid individuals in Palmas and native forests were significantly lower than Porto Nacional and orchards, respectively. According to the Shannon diversity index (H') and test t used for comparing the fruit flies fauna among the environments, it was verified that only one comparison showed significant difference (P<0,05), that is, the diversity of the orchards in Palmas (H=1.96) was greater than in Porto Nacional (H=0.81). Based on the faunistic indexes A. obliqua and A. distincta Greene, 1934 were found to be constant, dominant and very abundant in almost all environments.
faunisitc analysis; faunistic index; Lonchaeidae; Tephritidae
