Diaprepes root weevil

Diaprepes abbreviatus

The adult weevils vary in length from 0.95 to 1.90 cm (3/8 to 3/4 inch). They are black, and overlaid by minute white, red orange, and/or yellow scales on the elytra (wing covers). These scales are often rubbed off of the tops of ridges on the elytra giving the appearance of black stripes on a light colored background. Adults emerging from pupae in the soil are armed with a pair of deciduous mandibles which break off as they tunnel through the soil to get above ground. Scars at the site where the deciduous mandibles break off are visible under a microscope.

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