Resumen

GARCIA ALDRETE, Alfonso Neri. New North American Lachesilla in the Forcepeta group (Psocoptera: Lachesillidae). Rev. biol. trop [online]. 1999, vol.47, n.1-2, pp.163-188. ISSN 0034-7744.

Ten species of Lachesilla, belonging in species group Forcepeta, are here described and ilustrated; three of them occur exclusively in the United States, six are exclusive to México and one occurs mostly in Mexico, extending also to Guatemala. They differ among themselves, and are separated from other species in the group, mostly on genital characters. The location of the types is indicated in each description.

Palabras clave : Lachesilla; Forcepeta group; new species.