Abstract
Thecturota tenuissima Casey, is reported for the first time from Canada, based on records from Ontario and Quebec. It was originally described from Rhode Island, USA, and no other records of this species in North America were published since that time. The specimens from Canada were captured by car netting. We provide here a redescription of this species and never before published images of habitus, tergite, and sternite VIII of both sexes, median lobe of aedeagus and spermatheca. The features distinguishing T. tenuissima from T. capito Casey (=pusio (Casey)), the only other species reported in Canada, are provided and illustrated.
Highlights
Thecturota Casey, is a genus of the tribe Homalotini Heer, with 5 valid species in the Nearctic region (Fenyes 1920)
Thecturota tenuissima Casey, is reported for the first time from Canada, based on records from Ontario and Quebec. It was originally described from Rhode Island, USA, and no other records of this species in North America were published since that time
The specimens from Canada were captured by car netting
Summary
Thecturota Casey, is a genus of the tribe Homalotini Heer, with 5 valid species in the Nearctic region (Fenyes 1920). T. ruficollis Casey and T. subtilior (Bernhauer), occur in southwestern USA, Arizona, southern California, and Nevada. The remaining three valid species, T. capito Casey, T. demissa Casey, T. tenuissima Casey, are reported from central, eastern, and southern USA It is important to note that the shape of the spermatheca is the best criterion for separating species of this genus
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