Coloured SEM of grain weevil

Coloured SEM of grain weevil

Z330/0107 Rights Managed

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Caption: False-colour scanning electron micrograph (SEM) of the grain weevil Sitophilus granarius emerging from a wheat grain. The weevil is a type of beetle. Its head is elongated into a snout, called a rostrum, which has blade-like mandibles at its tip. The rostrum bores through the fibrous coat of a wheat grain & the mandibles chew & crush the kernel. Female weevils insert their eggs in cavit- ies dug in the kernel, ensuring a food supply for the larvae. Stored grain is vulnerable to infestations, although the use of fumigants and improved storage methods has reduced the risk. Mag: x6 at 35mm size, x12 at 6x7cm size. Ref.: MICROCOSMOS, figure 3.23, page 56. Z330/107 IS THE PINK/GREEN VERSION OF Z330/067.

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Keywords: animal, grain, grain weevil, insect, insecta, invertebrate, invertebrates, nature, sitophilus granarius, weevil, wildlife, zoology

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