Ichneumonidae, Metopiinae

Ichneumonidae, Metopiinae

Postby 1stizzy2499 on 21 Dec 2013, 22:12

wasp1.jpg
wasp1b.jpg

Found this wasp on the 16th November 2013 on the plant Pistacia lentiscus at Buskett, Siggiewi in Malta. The wasp was solitary and peaceful, looking around. It was roughly about 25mm or more in size. Looks like a member of the Cephidae but I am not sure.
Your help in identifying this species would be appreciated.
Last edited by 1stizzy2499 on 22 Dec 2013, 09:00, edited 1 time in total.
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Re: Unknown wasp - Looks like Cephidae

Postby Alex on 22 Dec 2013, 01:49

This is an ichneumonid wasp, in the subfamily Metopiinae, the first tergite is very square and sometimes makes them look like symphytan wasps. The venation however is much too reduced for symphyta, and is typical for ichneumonids, the antenna are also very diagnostic of Ichneumonoidea (consisting of the families Ichneumonidae and Braconidae) - there is more than 16 segments, in this case perhaps well over 30-50 flagellomeres, something no other wasps have.
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Re: Ichneumonidae, Metopiinae

Postby 1stizzy2499 on 22 Dec 2013, 09:03

Thanks Alex, this is something new to me, I always thought ichneumoniids were small!
Will post this again in the Ichneumonoidea forum.
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