FIGURE 1. P in Diagnoses and key for the larvae of Progomphus Selys, 1854 from Argentina (Anisoptera: Gomphidae), with first larval descriptions for P. aberrans Belle, 1973 and P. kimminsi Belle, 1973

FIGURE 1. P. aberrans Belle, last instar larval exuvia: a, left mandible, occlusal view; b, right mandible with detail, occlusal view; c, maxilla, ventral view (arrow indicates first tooth); d, maxilar palp, dorsal view; e, detail of ligula; f, same (other specimen); g, prementum, dorsal view (om= outer margin of palpal segment); h, abdominal lateral outline (sterna omitted); i, abdominal ventral outline.