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Larger grain borer beetle, SEM
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Larger grain borer beetle, SEM
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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Media ID 6461290
© VOLKER STEGER/SCIENCE PHOTO LIBRARY
Alien Beetle Boring Burrow Burrowing Corn Destructive Grain Horizontal Insecta Invasive Species Maize Posterior Rear
EDITORS COMMENTS
This print showcases the intricate world of the larger grain borer beetle, captured through a coloured scanning electron micrograph (SEM). The image reveals the beetle in action, as it bores into a kernel of maize. With its adult form, this destructive pest feeds on grains of corn and maize while simultaneously creating tunnels within them. Females lay their eggs in chambers hidden inside the grain, and upon hatching, the larvae continue to tunnel further. Originally native to Central America, this particular species known as Prostephanus truncatus accidentally found its way to Tanzania during the early 1980s. Since then, it has rapidly spread throughout East and West Africa, wreaking havoc on stored grain supplies. Its invasive nature has made it a major crop pest in these regions. The horizontal composition of this photograph allows us to observe every minute detail of this alien-like creature's rear end as it burrows deep into its chosen habitat. Through SEM technology, we gain insight into the fascinating world of invertebrates like beetles and their ability to adapt and survive even under adverse conditions. This stunning image serves as a reminder that our ecosystems are delicate and vulnerable to disruptions caused by invasive species such as the larger grain borer beetle.
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