A new genus in the family Ptiloneuridae (Psocodea: ‘ Psocoptera’: Psocomorpha: Epipsocetae) from Brazil Author Neto, Alberto Moreira Da Silva Author García Aldrete, Alfonso N. text Zootaxa 2015 3914 2 168 174 journal article 42278 10.11646/zootaxa.3914.2.6 57b3a117-e401-4efb-be00-174be6a24ea2 1175-5326 239856 CE5BA8ED-5210-42FF-BA15-F2B372364BD6 Key to the genera of Ptiloneuridae (Modified from García Aldrete 2006 ) 1. Hindwing M one-branched............................................................................. 2 -. Hindwing M two to five-branched........................................................................ 8 2. Forewing 2A joining wing margin; no crossveins between 2A and wing margin................................... 3 -. Forewing 2A joining 1A; one crossvein between 2A and wing margin; two crossveins between 1A and wing margin......................................................................................... Timnewia García Aldrete 3. Forewing areola postica high, with apex rounded............................................................. 4 -. Forewing areola postica low, very long............................................... Perucania New & Thornton 4. Labral sclerites incomplete, not reaching anterior margin of labrum.............................................. 5 -. Labral sclerites complete, reaching anterior margin of labrum.............................. Willreevesia García Aldrete 5. Forewing M three-branched, occasionally M3 forked.................................. ……………………………...6 -. Forewing M more than three-branched..................................................................... 7 6. Hypandrium formed by a central sclerite, which may bear central or lateral apophyses, with one or two smaller sclerites on each side............................................................................. Triplocania Roesler -. Hypandrium formed by a single sclerite, with postero-lateral, slender projections................ Belicania García Aldrete 7. Forewing M four-branched............................................................. Euplocania Enderlein -. Forewing M six-branched........................................................... Omilneura García Aldrete 8. Forewing areola postica free, high, with apex rounded........................................................ 9 -. Forewing areola postica high, rigidly triangular, joined to M by a crossvein…….................... Ptiloneuropsis Roesler 9. Forewing 2A simple, pterostigma long, smooth............................................................. 10 -. Forewing 2A with one crossvein to wing margin, pterostigma long, distinctly spurred.......... Loneuroides García Aldrete 10. Forewing M five to seven-branched; hindwing M two to five-branched.......................................... 11 -. Forewing M eight-branched; hindwing M five-branched; hypandrium a broad sclerite projected posteriorly to form a wide, almost rectangular lobe, with a dense field of setae on each postero-lateral corner; a dense field of setae on each side of central projection............................................................................ Ptiloneura Enderlein 11. Forewing M five to seven-branched; hindwing M two to five-branched; hypandrium a central sclerite with one or two smaller ones on each side; central sclerite with one central or with two lateral posterior projections; phallosome V- or Y-shaped................................................. Loneura Navás (= Brisacia Azar, Nel & Waller n. syn. ; see discussion) -. Forewing M five to six-branched; hindwing M two to four-branched; hypandrium of one sclerite, without projections. Phallo- some closed anteriorly, rounded, U-shaped, with lateral extensions of the phallobase, posterior pair of endophallic sclerites basally fused to form a V-shaped structure, each arm of the V distally forked or rounded, enclosing a membrane with numerous pores................................................................................. Brasineura n. gen.