Cryptopone, Emery, 1893

Branstetter, Michael G. & Longino, John T., 2022, UCE Phylogenomics of New World Cryptopone (Hymenoptera: Formicidae) Elucidates Genus Boundaries, Species Boundaries, and the Vicariant History of a, Insect Systematics and Diversity 6 (1), pp. 1-23 : 15

Key to Workers of American Cryptopone

1 HW> 0.8–0.96; petiolar node in side view relatively more tapering dorsally, ventral margin of petiole and anteroventral petiolar process relatively shallower (Fig. 8A); cloud forests of Guatemala and Honduras.............................................................. gilvagrande

- HW <0.82; petiolar node less tapering, ventral margin of petiole and anteroventral petiolar process relatively more convex (Fig. 9B–F); USA to Costa Rica................................. 2

2 (1) HW 0.74–0.80; southeastern USA................................... gilva

- HW 0.57–0.82; Mexico to Costa Rica.................................. 3

3 (2) Petiolar node in side view slightly more tapering and rounded dorsally (Fig. 8B and C); HW 0.60–0.82; Puebla to Oaxaca, Mexico................................................................. gilvatumida

- Petiolar node in side view slightly less tapering and more truncate dorsally (Fig. 8D–F); HW 0.57-0.73; Puebla, Mexico, south to Costa Rica........................................... guatemalensis