Taxonomic revision of Schausiana Viette with two new species from Guatemala and notes on biogeography and correlated tectonics (Lepidoptera: Hepialidae).

We morphologically validate the genus Schausiana Viette, 1950 as a monophyletic group comprising five species-S. phalerus (Druce, 1887) comb. n.

Studies in Guatemalan Ensifera: New species (Orthoptera: Anostostomatidae) and additional data for other described species.

We describe three new species in the genus Glaphyrosoma: G. magnaproctalis n. sp.

Studies in Guatemalan Ensifera: Mayacephalus (Orthoptera: Tettigoniidae) a new cone-headed katydid genus.

Mayacephalus dickmanorum n. gen. et n.

Studies in Guatemalan Caelifera: New grasshoppers and monkey grasshoppers (Orthoptera: Caelifera: Acridoidea & Eumastacoidea) and an updated checklist.

We describe six species of Acridomorpha, Orthoptera from Guatemala: Paralethus rowelli n. sp., Paralethus cerezoi n.