1. Pseudoryssomus formosus Gordon, 1974

Pseudoryssomus formosus Gordon, 1974: 151 –152 (original description; morphological details and male genitalia figured).

Type material: Holotype, male (USNM); paratypes (7 total), 4 with same data as holotype; 2 from Costa Rica, Turrialba, 5-VI-1951, O.L. Cartwright; 1 from Guatemala, Alta V. Paz, Cacao Trece Aguas, 23-4 (USNM and CNC). Type locality: “Turrialba, Costa Rica.”

Geographical distribution: Guatemala, Costa Rica (Fig. 16).