Clasiopella metatarsata

Mathis, Wayne N., Costa, Daniel N. R. & Marinoni, Luciane, 2015, A review of Mimapsilopa Cresson (Diptera: Ephydridae) from Brazil, Zootaxa 3926 (4), pp. 499-522 : 511

The metatarsata Group

Diagnosis. Head: Face smooth, polished, some species with fine, shallow, transverse striae or conspicuously rugose; dorsoapical seta of pedicel long, length greater than width of pedicel; length of basal flagellomere equal to height or only slightly more. Thorax: Presutural supra-alar seta well developed, length subequal to notopleural setae; ventral anepisternal seta at posterior margin nearly twice length of dorsal seta; dorsal and posterior margins of anepisternum microtomentose, similar to notopleuron. Forecoxa sparsely microtomentose; forebasitarsomere black, contrasted with yellow mid- and hindtarsi except for darkened apical tarsomere. Abdomen: Male terminalia: Epandrium in posterior view thick-walled, especially dorsal portion above cercal cavity; presurstylus with basomedial, extended presurstylar process, often connected with process from opposite side to form an inverted Vshaped structure, primary presurstylar lobe with medial seta and medial surface rounded, not concave, often bearing numerous short setulae; postsurstylus with rod-like basolateral process; pregonite and postgonite separate.