Mexitrichia macarenica Flint 1974

Mexitrichia macarenica

This species closely approaches M. aequalis Flint in many characteristics, but is easily distinguished by the extra pair of lateral appendages and single pair of long, slender ventral processes from the aedeagus.

ADULT.—Length of forewing 1.5 mm. Completely cleared in alcohol. Sixth sternum with an elongate, pointed, compressed apicomesal process. Male genitalia: Ninth segment very oblique, anterior margin rounded. Tenth tergum in lateral aspect with apex produced into several small points, and with a ventrolateral lobe; in dorsal aspect with a narrow, U-shaped, rather deep mesal excision. Aedeagal complex with dorsomesal process upswept apically, and with a pair of slender lateral processes; central tube with a small internal spine, a long, slender lateral process arising from a rounded lateral lobe, basoventrally with a pair of short rodlike appendages, and a pair of slender processes ventrally.

MATERIAL.—Holotype, male: COLOMBIA, META: Refugio Macarena, 10 January 1966, C. J. Marinkelle, USNM Type 72738.