Resumen

GARCIA-ALDRETE, Alfonso N.. A pair of new sister species of Loneura from Nicaragua and Venezuela (Psocoptera: Ptiloneuridae). Rev. Mex. Biodiv. [online]. 2007, vol.78, n.1, pp.99-104. ISSN 2007-8706.

Two species of Loneura, one from Nicaragua and the other from Venezuela, are described and illustrated.They constitute a pair of sister species, based on characters of the compound eyes, forewing pterostigma and patternof pigmentation, and structure of male phallosome and hypandrium. Also, they constitute a unique species group in Loneura.

Palabras llave : Psocoptera; Ptiloneuridae; Loneura; sister species; Nicaragua; Venezuela.