| Summary: | The objective of this study was to determine qualitatively and quantitatively the pentatomid fauna associated with the canopy of different native species during the period from September 2005 to September 2006. Insects were collected from among nine botanical species: Gochnatia polymorpha (Less.) (cambará), Eugenia uniflora Berg. (pitangueira), Acca selowiana (Berg) Burret (goiaba-da-serra), Psidium cattleianum Sabine (araçá), Baccharis spp., Solanaum mauritianum Scop. (fumo-bravo), Micanea cinerascens Miq. (passiquinho), Calliandra brevipes Bhent. (caliandra), and Schinus molle L. (aroeira) located at Rodolfo da Costa Dam in Itaara, RS, Brazil. Samples were taken every two weeks with a conical funnel made of tin plate (2mm), 70cm in diameter at the rim and 63cm in height. One sample per botanical species for each sampling date was taken, by shaking the branches, ten times over the funnel. Samples were sent to the Entomology Laboratory of the Crop Protection Department of the Federal University of Santa Maria, where the material was analyzed. A total of nine Pentatomidae species were identified. Edessa rufomarginata (De Geer, 1773) was the species of highest ocurrence followed by Thyanta humilis (Bergroth, 1891). The botanical species S. mauritianum presented the greatest number of Pentatomidae species, with an occurrence of 26.9%.
|
|---|
