1. abdomen entièrement noir
2.
4.
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Forum communautaire francophone des insectes et autres arthropodes
Animateurs : lauzette, baudric
My keys : www.flickr.com/photos/d-jp-balmer/58994 ... hotostream lead us to the subfamily Nematinae.
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Being given the characteristics of the forewings and the fact that the insect is entirely black (except the wings and the legs), we finds the genus : Nematus
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- The claws are bifurcate (see the photo fuzzy but sufficient)
- The cerci are shorter than the sawsheath (see the photo).
- The basitarsus 3 is flat & broad.
- The stigma of forewing is unicoloured.
- The length of the capture is > 8 mm.
Thus it is the sub-genus : Nematus.
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Let us examine the photo of the apex of the saw, we sees that the angle (a on the photo) is quite open, this angle indicates caeruleocarpus, that of N. (N.) crassus being much acuter.
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REMARK : All the authors whom I could read, place in priority the relationship between the length of the inner spur of tibia 3 and the length of the basitarsus 3. With my opinion, is not an absolute criterion !