Larger grain borer beetle, SEM

Larger grain borer beetle, SEM

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This image is part of the feature Most feared pests in agriculture


Caption: Larger grain borer. Coloured scanning electron micrograph (SEM) of a larger grain borer beetle (Prostephanus truncatus) boring into a kernel of maize. The adult beetle feeds while making tunnels in grains of corn and maize. Females lay eggs in chambers within the grain. On hatching, the larvae also tunnel in the grain. P. truncatus is native to Central America, but was accidentally introduced to Tanzania in the early 1980s. It has since spread throughout East and West Africa where it is a major destructive pest of stored grain.

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Keywords: alien, animal, beetle, boring, burrow, burrowing, coloured, corn, crop pest, destructive, entomology, grain, horizontal, insect, insecta, invasive species, invertebrate, invertebrates, larger grain borer, maize, nature, posterior, prostephanus truncatus, rear, scanning electron micrograph, sem, wildlife, zoology

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