Acontia areletta Dyar

Figs. 16, 22

Acontia areletta Dyar, 1907: 229 .

Type material. Holotype ♁: Mexico, Mexico City [USNM, Washington, DC].

Other material examined. 1 ♁, Mexico, Federal District, San Jacinto.

Diagnosis. Acontia areletta resembles A. areloides, from which it can be separated by its white hindwing, lacking the fuscous band around the margin as found in A. areloides .

Description. As for male of A. areloides excepting the dorsal hindwing, which in A. areletta is pure white, without a fuscous marginal band. Th e female is unknown. Male genitalia (Fig. 22; 2 dissections) – uncus: decurved, very long and narrow with very slightly expanded rounded apex. Manica (memranous tube posterior to juxta) with

stout spine-like field of sclerites (attached to outer edge of aedeagus in Fig. 22). Valves: asymmetrical; right valve broad, approximately rectangular, with blunt process near middle of dorsal margin, apex pointed dorsally, without apical corona; sacculus without posterior extension; clasper swollen basally on dorsal margin, then tapering evenly to spine-like apex extending slightly beyond ventral margin of valve; left valve similar to right, but sacculus smaller and clasper much shorter. Aedeagus: similar to that of A. areloides; everted vesica similar to that of A. areloides, but with two small additional subbasal diverticula. Female genitalia – unknown.

Biology. Unknown. Adults from late October to November.