SEM of grain weevil Sitophilus granarius
Numéro d’image : 11907929
| 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 and the mandibles chew and crush the kernel. Female weevils insert their eggs in cavities dug in the kernel,thereby ensuring a food supply for the larvae. Stored grain is vulnerable to infestations of S. granarius,although its importance as a pest has declined with the use of fumigants and improved storage methods. Magnification: x6 at 35mm size,x12 at 6x7cm size. Ref.: MICROCOSMOS,figure 3.23,page 56 | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Biophoto Associates |
| Taille de l’image : | 3348 px × 4177 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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