
The Xiphydriidae are a family of wood wasps with the distinct characteristic of having globose heads borne on their long, skinny `necks`; they are also unusual in the habit of boring into dead wood, rather than living trees. The family is small and ancient, with only around 120 living species in several genera, largely restricted to the Northern.....
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http://en.wikipedia.org/wiki/Xiphydriidae

Xiphydriidae is a family of insects of the super-family Siricoidea, sub-order Symphyta, order Hymenoptera. The members have a conspicuously long neck.
Found on
http://www.probertencyclopaedia.com/browse/BX.HTM
No exact match found.