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Revista Ciência Agronômica
On-line version ISSN 1806-6690
BITTENCOURT, Maria Aparecida Leão et al. Parasitoids (Braconidae) associated with Anastrepha (Tephritidae) in host fruits on the southern coast of Bahia, Brazil. Rev. Ciênc. Agron. [online]. 2012, vol.43, n.4, pp.811-815. ISSN 1806-6690. http://dx.doi.org/10.1590/S1806-66902012000400024.
Among the organisms acting in the natural biological control of tephritids, members of the family Braconidae are the most active form of natural parasite, and in Neotropical regions, members of Opiinae are the main control agents of Anastrepha. The objective of this work was to discover the percentage of parasitism and the species of braconid associated with fruit trees growing in cities on the southern coast of Bahia. During the period of August, 2005 to March, 2008, hosts fruits of fruit flies from several plant species were collected and from the fruits the following species of Anastrepha were obtained: A. fraterculus, A. obliqua, A. bahiensis, A. serpentina, A. sororcula and A. zenildae. Of the total of 838 specimens of braconids, 21.36% were of the species Utetes anastrephae (Viereck), obtained from yellow mombin, carambola, guava, mango and pitanga; 4.42% were of the species Asobara anastrephae (Muesebeck) obtained from the fruits of the yellow mombin, carambola and guava, and only one example of Opius bellus Gahan (0.12%) that came from a guava sample. The species Doryctobracon areolatus (Szépligeti) (74.10%) was predominant and emerged from puparia from all the host fruits collected, probably due to the greater efficiency of this species in locating tephritid larvae. The mean percentage of parasitism by Anastrepha spp. was 4.45%.
Keywords : agricultural pest - biological control; parasitism; fruit-grow.