Brasineura n. gen.

Diagnosis. Five distal labral sensilla, one central placoid, flanked at a distance by a pair trichoid-placoid. Forewing M 5–6 branched, the branch next areola postica forked; hindwing M 2–4 branched. Hypandrium of one sclerite, broadly triangular, setose, anteriorly concave, with anterior border strongly sclerotized. Phallosome closed anteriorly, rounded, U-shaped, with distinct lateral extensions of the phallobase; side struts anterior, fused to external parameres, these elongate, distally pointed; two pairs of endophallic sclerites; anterior pair elongate, lacking a basal bridge, each sclerite independent; posterior pair basally fused to form a V-shaped structure, each arm of the V distally forked or rounded, enclosing a membrane with numerous pores. Female not known.

Type species. Brasineura diamantina n. sp.

Etymology. The generic name is a compound name, formed with the root of Brasil, from where the new genus is so far endemic, plus “neura”, a common epithet in Ptiloneuridae, as in Loneura, Omilneura, Ptiloneura .