Ptiloneura, ENDERLEIN, 1901

Cutrim, Marcelo, Silva-Neto, Alberto Moreira da, Rafael, José Albertino & García Aldrete, Alfonso Nery, 2022, The genus Ptiloneura Enderlein, 1901 (Psocodea, ‘ Psocoptera’, Ptiloneuridae) in the Brazilian Amazon Forest and Atlantic Forest: new species, variations in forewings and a key to the species, Zoosystema 44 (20), pp. 493-501 : 498

KEY TO THE BRAZILIAN SPECIES OF PTILONEURA ENDERLEIN, 1901 (MALES)

1. Central sclerite of the hypandrium with one posterior projection ( Fig. 1E ) ............................. P. castroi n. sp.

— Central sclerite of the hypandrium with two posterior projections .............................................................. 2

2. Posterior projections of the hypandrium short, straight and acuminate distally resulting in a “V”-shaped posterior margin (see fig. 7 in Silva-Neto et al. 2021) ......... P. baiana (Silva-Neto, García Aldrete & Rafael, 2018) .

— Posterior projections of the hypandrium elongate, curved outward and acuminate distally resulting in a “U”- shaped posterior margin ( Fig. 2G ) ....................................................................................... P. leonardoi n. sp.

Figures

FIG. 1. — Ptiloneura castroi n. sp., holotype:A, front view of head; B, right forewing;C, right hindwing; D, lacinia; E, hypandrium; F, phallosome; G, left paraproct and epiproct. Abbreviations:aes, anterior endophallic sclerites; ep, external parameres; ms, mesal sclerite; msp, mesal sclerite processes; ples, postero-lateral endophallic sclerites. Scale bars: A, D-G, 0.1 mm; B, C, 1 mm.

FIG. 2. — Ptiloneura leonardoi n. sp. holotype: A, front view of head; B, right forewing; C, right hindwing; D, left forewing; E, left hindwing; F, phallosome; G, hypandrium; H, left paraproct and epiproct. Abbreviations: aes, anterior endophallic sclerites; ep, external parameres; les, lateral endophallic sclerites; ms, mesal sclerite; msp, mesal sclerite processes; pes, posterior endophallic sclerites; st, side struts. Scale bars: A, F-H, 0.1 mm; B-E, 1 mm.