Symphyta

one of two suborders of the insect order Hymenoptera, the other being Apocrita. Included in the group are the sawfly, horntail, and wood wasp ...
Found on http://www.britannica.com/eb/a-z/s/199

Symphyta

Symphyta is a sub-order of the order Hymenoptera. These are the oldest order of the Hymenoptera, hymenopterous insects whose abdomen is joined to the thorax along its whole width and height. Males and females differ in the shape and colour of the body, the shape of the antennae and in other ways. The wings always have well-developed venation. They ...
Found on http://www.probertencyclopaedia.com/browse/BSB.HTM
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