Abstract
Heterelmis comalensis new species is described from Comal Springs, one of the headwaters of the Comal River, in New Braunfels, Texas. It is apparently endemic, hind wings brachypterous, and smaller in size than any other species known from the United States (1.7 to 2.1 mm in length, 0.8 to 0.91 mm in breadth). It is closest to Heterelmis glabra (Horn) from which it differs in body contour and in size, H. glabra being 1.9 to 2.35 mm long and 1.0 to 1.17 mm wide. The genus Heterelmis Sharp 1882 is primarily neotropical, with 13 species scattered throughout much of South and Central America (Brown, 1981). One of these, Heterelmis obesa, ranges northward into mountainous sections of the western United States, and three additional species, Heterelmis glabra, Heterelmis stephani, and Heterelmis vulnerata, also occur in the western states (Brown, 1983). In Texas, H. obesa is known from the Guadalupe Mountains and H. glabra from the Rio Grande, but H. vulnerata is widespread (Burke, 1963; Brown, 1972). We here describe a new species from the headwaters of the Comal River in New Braunfels, Texas. Heterelmis comalensis, new species
Published Version
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