Granary weevil, SEM

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Granary weevil, SEM

Granary weevil. Coloured scanning electron micrograph (SEM) of an adult granary weevil (Sitophilus granarius) emerging from a grain of wheat. Weevils have long, pointed snouts (top right), called rostrums, which have blade-like mandibles for cutting at the tip. Adult female granary weevils chew holes in grains of corn, wheat, oats and barley, and lay an egg in each one. When they hatch, the larvae eat the contents of the grain, before pupating and emerging as adults. An infestation of granary weevils can destroy an entire cargo or silo of grain. Fumigation and improved storage methods help control this pest

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6461066

© VOLKER STEGER/SCIENCE PHOTO LIBRARY

Beetle Cereal Coleoptera Coleopteran Damaging Destructive Emerging Hatching Hatchling Horizontal Insecta Pest Young

EDITORS COMMENTS
This print showcases the intricate details of a granary weevil, captured through a coloured scanning electron microscope (SEM). The image reveals an adult granary weevil emerging from a grain of wheat, highlighting its distinctive features. With its long and pointed snout, known as rostrums, this tiny creature possesses blade-like mandibles at the tip for cutting purposes. The female granary weevils are notorious for their destructive nature. They chew holes in various grains such as corn, wheat, oats, and barley to lay their eggs inside each one. Once hatched, the larvae feed on the contents of the grain before undergoing pupation and eventually transforming into adults. Unfortunately, an infestation of these pests can wreak havoc on entire cargos or silos filled with precious grains. To combat this menace effectively, fumigation techniques and improved storage methods have been developed to control these relentless insects. This mesmerizing photograph not only captures the awe-inspiring beauty of nature but also serves as a reminder of our ongoing battle against agricultural pests like the granary weevil. As part of Science Photo Library's extensive collection showcasing young animals in their natural habitats alongside scientific wonders such as SEM images and entomological studies; this particular print offers viewers a glimpse into the fascinating world of invertebrates while shedding light on efforts to protect our valuable food resources from destruction caused by these beetles.

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