Pilostenaspis pilosella (Bates, 1892), comb. nov.

(Figs. 158–159)

Stenaspis pilosella Bates, 1892:173, pl. VII, fig. 11, male (Type locality: Mexico, Guerrero, Omilteme, 8000 ft); Aurivillius, 1912:458 (cat.); Linsley, 1935:97 (dist.); Blackwelder, 1946:589 (cat.); Chemsak, 1967:80 (lectotype); Chemsak et al., 1992:86 (cat.); Monné, 1994:34 (cat.); Monné & Giesbert, 1993:152 (cat.); Noguera & Chemsak, 1996:403 (dist.); Monné, 2013:787 (cat.).

Redescription. Female: Length, 15 mm. Form moderately small, narrow, oblong; integument dark greenishbronze, shining, antennae and legs rufo-testaceous. Head with front deeply impressed transversely, each side with a deep pit, vertex with a longitudinal smooth area at middle between eyes; antennae shorter than body, attaining 2/3 length of elytra, scape carinate on basal ½, reminder of segments with dorsal surface covered with short, black depressed pubescence, segments 3–5 slightly enlarged at apices, 3rd segment subequal to 1st, 4th shorter than 1st, 5th subequal to 3rd, 6th and 7th shorter than 1st, 8th–10th successively shorter than 7th, 11th longer than 10th, subequal to 9th. Prosternum with intercoxal process convex at apex; mesosternum with intercoxal process convex at apex, sides densely clothed with appressed silvery pubescence intermixed with erect pale pubescence; metasternum aeneous, finely punctate, densely clothed with pale, silvery appressed and erect pubescence, metepisternum bluish-aeneous. Scutellum narrow, subelongate, triangular. Elytra about 2.3 times longer than broad, sutural angle minutely dentate. Abdomen clothed with pale, appressed and erect pubescence.

Male: Not available for study.

Distribution. Southwestern Mexico (Guerrero).

Materials examined. MEXICO: Mexico D.F., Real de Arriba, July 1932, 6300 ft, H.E. Hinton (1 female, CASC)