Arenivaga grandiscanyonensis Hopkins 2014

Male. Measurements. Holotype TL = 18.8 mm, GW = 9.2 mm, PW = 4.90 mm, PL = 4.28 mm, TL/GW = 2.04, PL/PW = 0.87. EW = 0.35 mm; OW = 0.30 mm. No notable differences in measurements among paratypes. Head. Two ocelli large, ovoid and protruding (0.35 × 0.25 mm); vertex medium brown with small ridges in rays around upper apices of eyes and extending onto ocellar tubercles; interocellar space concave, light brown, lighter brown medially, with two vertical indentations. Frons waxy white, posterior slightly concave; anterior portion of frons bulbous and waxy white; waxy white smooth anteclypeus. See Fig. 69d. Pronotum. Pronotum translucent waxy beige; dorsal surface of pronotum with short orange-brown setae that are slightly thicker laterally; pronotal pattern orange-brown “panther face”, little discernible detail; no aura. See Fig. 69c. Body. Wing brace present. Two tarsal claws present. Legs and body pale beige; subgenital plate light brown with darker margin; asymmetrical with angular apices. See Fig. 69b. Forewings. Wings extended well beyond abdominal apex (~30% of wing length); translucent light beige and hyaline. See Fig. 69a. Genitalia. Right dorsal phallomere composed of a bulbous lightly sclerotized bulbous lobe, articulated with right ventral phallomere on lateral side; central field with anteriorly projecting flat shagreened arm with toothed edge. Small central sclerite with smooth curved sculpturing, posterior edge flattened and shagreened with laterally projecting smooth flap; right ventral phallomere extends from articulation to form smooth rounded structure becoming lightly punctate anteriorly; attached anteriorly is broad dorsally projecting punctate arm that extends only to depth of rest of phallomere. Folded anterior portion of left phallomere finely punctate, otherwise unmodified. Genital hook with short extension to pointed head with short hook and distinct bend in arm. See Fig. 70.

This species is found at the base of the Grand Canyon, Arizona. See Fig. 71.