Acanthoscelides macrophthalmus (weed bioagent)
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Acanthoscelides macrophthalmus (weed bioagent) (Schaeffer, 1907)
The beetle attacks the seeds of Leucaena leucocephala and is native to Central America. It is now widespread in Asia, Africa and Australia where it was either inadvertently introduced through contaminated Leucaena seeds or introduced deliberately as a biological control agent (e.g. in South Africa in 1999). The female oviposits on seed pods and on loose leucaena seeds. The hatching larvae burrow into the seeds, develop and pupate in them. It is also considered a pest in some areas where Leucaena is regarded as useful and because of non-target effects, see Acanthoscelides macrophthalmus (pest).
