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prestwichia aquatica 19-05-2013
Prestwichia aquatica
Size: 1.0 mm

This parasitic wasp is just under a millimeter in size and is therefore likely to be often overlooked. The first one I saw was walking on the waterside of an aquarium window, it was only years later that I came across this specimen, in a catch from a ditch on Terschelling (a Dutch island). In the photo above, the wasp is clambering underwater through some filamentous algae.

Prestwichia is a genus in the Trichogrammatidae family, from Trichos = hair. The wings of this parasitic wasp family have a hairline. This specimen is a wingless female, the wings are reduced to small stubs (with hairs) that can be seen in the photo above.

Prestwichia aquatica 19-05-2013

BIBLIOGRAPHY:

Wesenberg Lund,C. (1943) "Hymenoptera (Hautflügler") Biologie der S├╝sswasserinsekten p. 576-583 Publisher: Verlag J. Springer, Berlin-Vienna 1943


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All pictures on this site were made by Gerard Visser (Aadorp, Netherlands), unless stated otherwise. All rights remain with him. These pictures may not be used for purposes any other than private viewing or printing. Do NOT hardlink to these pictures or place them on other websites without the author's approval. Should you need them for purposes which include third parties, you must ask the author permission by e-mail. People, who want to use this pictures for exhibitions or publications or educative material are much encouraged to do so, after approval as mentioned and giving the normal credits.
┬ę G.H. Visser 28-01-2014, English version: 24-04-2024
rev. 24-04-2024

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