Abstract
Pediobius cajanus sp. n. is described based on material from the Dominican Republic, where it is widespread, and it is anticipated to have a much larger distribution in tropical America. It is compared to other species of Pediobius from the New World, and is also compared to P. vignae (Risbec), a similar species from Africa with similar biology. The new species is a gregarious endoparasitoid of the pupae of the Asian fly, Melanagromyza obtusa (Malloch), an agromyzid that causes major damage to pigeon pea, Cajanus cajan (L). Millspauh. In the Dominican Republic P cajanus sp. n. is the most important parasitoid of this pest. Details on its biology are provided.
Highlights
Pediobius is a cosmopolitan genus with 217 described species (Noyes 2015), 25 of which have been recorded from the Neotropical region (Hansson 2002)
In the Neotropical region Pediobius species have been recorded from Coleoptera, Hymenoptera, and Lepidoptera but not from Diptera (Hansson 2002)
We describe a new species of Pediobius that is the main enemy and a potential biocontrol agent of the Asian fly, Melanagromyza obtusa (Malloch, 1914) (Diptera: Agromyzidae)
Summary
Pediobius is a cosmopolitan genus with 217 described species (Noyes 2015), 25 of which have been recorded from the Neotropical region (Hansson 2002). In the Neotropical region Pediobius species have been recorded from Coleoptera, Hymenoptera, and Lepidoptera but not from Diptera (Hansson 2002). We describe a new species of Pediobius that is the main enemy and a potential biocontrol agent of the Asian fly, Melanagromyza obtusa (Malloch, 1914) (Diptera: Agromyzidae).
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