Abstract
The aim of this work was to evaluate the infestation of Anastrepha species in several fruit tree species and A. alveata in wild plum Ximenia americana L. (Olacaceae), as well as the fruit fly community in a Savannah area using faunal indexes and population fluctuation. For this, we installed McPhail traps and carried out collections at Palmeiras home garden, municipality of São Pedro of Piauí, state of Piaui, northeastern Brazil. We noted high infestation of A. alveata in wild plum, with 144.2 puparia/kg, 216.1 puparia/kg and 321.6 puparia/kg for the years 2014, 2015 and 2016. The infestation indexes of A. obliqua in red mombin (Spondias purpurea) were 146.1 puparia/kg in 2016 and 479.2 puparia/kg in 2017, and in umbu-hog plum (Spondias sp.) 607.3 puparia/kg in 2017, both from the Anacardiaceae family. The species that composed the fruit fly community were A. alveata, A. ethalea (predominant), A. obliqua, A. zenildae (dominant and accessory), A. sororcula, A. fraterculus and Anastrepha sp. (accidental). The population fluctuation of A. ethalea occurred from March to October, while A. alveata presented population peaks in the fruiting of wild plum, between October and December
Highlights
Brazil, the current third largest fruit producer in the world after China and India, has a highly diversified fruit production sector that occupies approximately two million hectares
The aim of this work was to evaluate the infestation of Anastrepha species in several fruit tree species and A. alveata in wild plum Ximenia americana L. (Olacaceae), as well as the fruit fly community in a Savannah area using faunal indexes and population fluctuation
The population fluctuation of A. ethalea occurred from March to October, while A. alveata presented population peaks in the fruiting of wild plum, between October and December
Summary
The current third largest fruit producer in the world after China and India, has a highly diversified fruit production sector that occupies approximately two million hectares. Brazil is ranked 23rd among fruit-exporting countries in South America. This is because phytosanitary embargoes at destination locations limit Brazil’s access to the foreign market. This mainly occurs, when the pest of interest is of quarantine relevance at destination markets, for instance of several species of Tephritidae (PNDF/MAPA, 2020). Fruit flies are insects that cause considerable damage to fruits. Fruit flies represent one of the main obstacles to international fresh-fruit trade in Brazil. The process of oviposition by the females flies and the opening of galleries inside the fruit by larvae, characteristic damages caused by fruit flies, make them unfit for human consumption
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