Talk:Conopidae

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[edit] Distribution of army ants in North America

The known distribution of Neivamyrmex army ants includes parts of the US along the Canadian border (near the Great Lakes), so it is NOT noteworthy that Stylogaster have been recorded from Canada when Neivamyrmex has not; there is no magical fence at the border that would keep army ants from crossing, so it is entirely reasonable to expect that they are simply uncommon there, as are the flies. It is trivially easy to fail to record the presence of army ants in a given geopolitically-defined region; consider that there are several army ant species with records from Kansas and Texas, but not from Oklahoma - in each case, it is clear that the ants occur in Oklahoma, but that no one has yet bothered to collect any specimens. In fact, the presence of these flies in Canada is considered proof that some army ants (probably Neivamyrmex nigrescens) do occur there. Dyanega 18:34, 26 September 2007 (UTC)