Tobacco hornworm wasp silk cocoon, SEM

Tobacco hornworm wasp silk cocoon, SEM

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Caption: Coloured scanning electron micrograph (SEM) of Tobacco hornworm wasp cocoon, silk fibres (Apanteles spp.). This wasp, also called a braconid wasp is an important parasite of the tobacco hornworm. The tobacco hornworm causes extensive agricultural damage worldwide. The tiny black wasp lays its eggs in hornworms. The wasp's larval stage is a small, white legless grub that develops inside the hornworm. Once the hornworm wasp larvae fully develop they spin white oblong cocoons on the surface of the hornworm. The larvae continue to develop into adults and leave through an opening in the end of the cocoon. The adult wasps continue to search for other hornworms to parasitize. Magnification: x200 when shortest axis printed at 25 millimetres.

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Keywords: 23121b, agricultural, apanteles, biological, braconid, braconidae, cocoon, colored, coloured, control, electron, false-colored, false-coloured, hornworm, hymenoptera, insect, insects, invertebrate, invertebrates, micrograph, parasite, parasitic, predator, scanning, sem, silk, tobacco, wasp

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