Expansion of the Northeastern Range of Selected North American Gall Forming Midges (Diptera: Cecidomyiidae: Celticecis spp.) on Hackberries (Cannabaceae: Celtis spp.)

Twenty one species of gall forming midges in the genus CelticecisGagné 1983 have been reported in North America, but there is limited information regarding the northeastern range of these species. To gain a greater understanding of the range of these cecidomyiids, hackberries (Celtis spp.) were surv...

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