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Abstract
Species of Aphidiinae (Braconidae) have never been surveyed in Central America. Here we present the results of an initial inventory of the aphidiine species of Costa Rica and record the presence of ten species (four undetermined), in six genera. The material was obtained by rearing aphids from both crop and noncrop plants throughout the country. In total 2832 aphidiine specimens were reared from 24 species of aphids.Aphidius colemaniandLysiphlebus testaceipes, which are probably not native to Costa Rica, accounted for nearly 90% of all the specimens. Many of the other aphidiines are also probably exotic species, as are most of their host aphids.
Highlights
The primary parasitoids of aphids are restricted to two taxa of Hymenoptera, Aphidiinae (Braconidae) and Aphelinus (Aphelinidae), but the vast majority of species and rearing records pertain to the former
The objective of this study is to provide initial survey of the primary aphid parasitoids present in Costa Rica and to evaluate the geographic affinities of these species, in particular, which ones are native and which ones are exotic
The results allow a comparison to be made between the host records of aphidiines in Costa Rica (Table 1) and those reported from elsewhere
Summary
The primary parasitoids of aphids are restricted to two taxa of Hymenoptera, Aphidiinae (Braconidae) and Aphelinus (Aphelinidae), but the vast majority of species and rearing records pertain to the former. Research on the aphid parasitoids of the Neotropical region has been dominated by work done in Cuba [1,2,3,4,5,6] some data exist for Mexico [7, 8], Guadeloupe [9], Venezuela [10], Brazil [11], Argentina [12], and Chile [13] Despite their importance in biological control [14], the species of Aphidiinae (Braconidae) have never been extensively surveyed in Central America. A possible environmental hazard following an introduction of a biocontrol agent is negligible
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