2007 Visitacao FRUTOS Cactus SANTOS Et Al 2007 ARTIGO

Utilização de fr utos de cactos (Cactaceae) como rrecur ecur so alimentar frutos ecurso por vvespas espas sociais (Hymenopter a, Vespidae, Polistinae)
(Hymenoptera,
em uma ár ea de caatinga (Ipirá, Bahia, Br asil) área
Brasil)
Gilberto M. M. Santos 1; Jucelho D. da Cruz 1; Carlos C. Bichara Filho 1;
Oton M. Marques 2 & Cândida M. L. Aguiar 1
1

Laboratório de Entomologia, Departamento de Ciências Biológicas, Universidade Estadual de Feira de Santana.
44031-460 Feira de Santana, Bahia, Brasil. E-mail: [e-mail]
2
Centro de Ciências Agrárias, Ambientais e Biológicas, Universidade Federal do Recôncavo da Bahia.
44380-000 Cruz das Almas, Bahia, Brasil.

uit food resour ces by social wasp (Hymenopter
ABSTRACT. The use of cactus fr fruit esources
(Hymenopteraa , Vespidae espidae, Polistinae) in an ea of Caatinga (lpirá azil). This study aims to identify food resource plants used by social wasp area (lpirá, Bahia
Bahia, Br
Brazil).
ar species in a Caatinga area, as well as describe the local patterns of cactus fruit resources used by wasps. Nine hundreds and eight foraging wasps, belonging to nine species, were captured while visiting six cactus species.
Cereus jamacaru DC. and Pilosocereus catingicola (Gurke) Byles & G.D. were the most frequently visited plants. Several wasp species and a great number of individuals visited them. Polybia paulista von Ihering, 1896, Polybia ignobilis
(Haliday, 1836), Polistes versicolor (Olivier, 1791), Polistes simillimus Zikán, 1951, Polistes billardieri Fabricius, 1804, Polistes canadensis (Linnaeus, 1758), Polybia occidentalis (Olivier, 1791) and Polybia sericea (Olivier, 1705) had the larger trophic niche breadth. The highest trophic niche overlap was between Mischocyttarus lanei Zikán, 1949 and Polistes simillimus
Zikán, 1951 (0.83). The high niche overlap among social wasps seems to be resulting of the generalist behavior of the social wasp, as well as of the intensive exploration of few cactus species.
KEY WORDS. Semi-arid;