Clorindaia obrienorum n. sp.

(Figs. 25, 27)

Diagnosis. This species can be distinguished from others in the genus by the crown length 0.8x or less than interocular width, the stout and symmetrical form of the aedeagus, aedeagus with a short unpaired apical process, paired apical processes of aedeagus short and triangular, and phragma sides in caudal view lying laterad of anal tube, separated from each other, and broadly rounded.

Body. Male, 2.3 mm to forewing apex.

Color. As in genus description.

Male. Pygofer relatively elongate, dorsoventrally flattened, without short or long macrosetae. Subgenital plates short, rounded laterally; apex pointed; with numerous scattered short setae; well-separated from each other medially. Aedeagus shaft relatively stout, symmetrical; unpaired apical process short, not strongly recurved and paralleling shaft; paired apical processes larger, triangular; dorsal side of aedeagal base not excavated. Phragma sides not bent medially below anal tube, separated from each other, broadly rounded.

Female. Unknown.

Material examined. HOLOTYPE: 1♂, URUGUAY, Rocha, 8 km. S. Chuy, 6-II-1989, CW & L. O’Brien & G. Wibmer [USNM].

Distribution. Known only from the type locality in Uruguay (Rocha Dept.).

Etymology. This species is named in honor of two of the collectors of the type specimen, Charles and Lois O’Brien.

Remarks. This is the first species of Clorindaia known from Uruguay.