Ptiloneuridae

García, Alfonso N. & Aldrete, 2006, New genera of Psocoptera (Insecta), from Mexico, Belize and Ecuador (Psoquillidae, Ptiloneuridae, Lachesillidae), Zootaxa 1319, pp. 1-14 : 9-10

Key to genera of Ptiloneuridae

(modified from García Aldrete, 2006).

1. HW M one branched .................................................................................................... 2

­. HW M two to ­five branched ........................................................................................ 8

2. FW 2A joining wing margin; no crossveins between 1A and wing margin ................. 3

­. FW 2A joining 1A; one crossvein between 2A and wing margin; two crossveins between 1A and wing margin .................................................. Timnewia García Aldrete

3. FW areola postica high, with apex rounded.................................................................. 4

­. FW areola postica low, very long ....................................... Perucania New & Thornton

4. Labral sclerite incomplete, not reaching anterior margin of labrum............................. 5

­. Labral sclerites complete, reaching anterior margin of labrum ...................................... ............................................................................................. Willreevesia García Aldrete

5. FW M three­ branched, occasionally M3 forked .......................................................... 6

­. FW M more than three­ branched ................................................................................. 7

6. Hypandrium formed by a central sclerite, which may bear central or lateral apophyses, with a smaller sclerite on each side ................................................. Triplocania Roesler

­. Hypandrium formed by a single sclerite, with postero­lateral, slender projections........

................................................................................................. Belicania García Aldrete 7. FW M four­ branched ................................................................... Euplocania Enderlein

­. FW M six­ branched .............................................................. Omilneura García Aldrete

8. FW areola postica free, high, with apex rounded......................................................... 9

­. FW areola postica high, rigidly triangular, joined to M by a crossvein .......................... ..................................................................................................... Ptiloneuropsis Roesler

9. FW 2A simple, pterostigma long, smooth................................................................... 10

­. FW 2A with one crossvein to wing margin, pterostigma long, distinctly spurred.......... ............................................................................................. Loneuroides García Aldrete

10. FW M five to ­seven branched; HW M two to ­five branched; hypandrium a central sclerite with a smaller one on either side, central one with one central or with two lateral posterior projections ......................................................................... Loneura Navás

­. FW M eight branched; HW M five branched; hypandrium a broad sclerite projected posteriorly to form a wide, almost rectangular lobe, with a dense field of setae on each postero­lateral corner; a dense field of setae on each side of central projection............. ....................................................................................................... Ptiloneura Enderlein