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Saint Edwards Park, Austin, Travis County, Texas, USA
May 21, 2011
Det. V. Bugh, 2011

spmn sent to TAMUIC

B. tex or B. knulli
Kramer (1983, p. 13-27) indicates only 4 of the 10 U.S. species have been recorded in Texas: tex, knulli, cognita, and maculata. Although genitalic examination is required to really key these out to species, two species can likely be eliiminated based on range, habitat, and available imagery.

B. cognita was only reported in Tyler, TX, by Kramer, thus is perhaps an E. Texas taxon. The 25 images of cognita on BG to date--assuming some/most are correctly identified--show FWs which *invariably* have heavier, darker pigmentation on the FW that your Travis County specimen (and my TC photos as well*).

B. maculata is described as an insect of coastal marshes with the only TX record in Kramer from Anahuac. BG has one TX image identified as maculata from Houston, Harris Co. Aside from the Texas image on BG, all other images of maculata invariably show lighter, thinner pigmented areas on the FWs than our Travis Co. specimens. Thus by habitat, range, and aspect, our TC material is likely not maculata.

That narrows the possibilities (from Kramer 1983) down to B. tex, described by Kramer from the "Devil's River", and B. knulli, known from Devil's River, Kerrville, and Gillespie County. I can find no online imagery of either of these species. I suppose there is also the possibility of undescribed species.

* One of my Travis County records can be viewed on iNaturalist here.

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