Agasicles hygrophila (weed bioagent)

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Agasicles hygrophila (click on image to enlarge it)
Author(s): Even Dankowicz
Source: BugGuide
Agasicles hygrophila adult and larvae (click on image to enlarge it)
Author(s): Gary Buckingham, USDA Agricultural Research Service
Source: Wikimedia Commons

Agasicles hygrophila (weed bioagent) Selman & Vogt, 1971 - (aligatorweed flea beetle)

This beetle is native to South America and was introduced into North America against aligatorweed (Alternanthera philoxeroides) in the 1960s. It has provided satisfactory control of the weed in aquatic habitats, but suffers high pupal mortality in terrestrial habitats. It was also accidentally released in China in 1989.