Akorhexoza Cook, 1978

Huerta, Heron, Guarin-Anacona, Andres & Cultid-Medina, Carlos Andres, 2025, Hidden diversity in Mexico: Akorhexoza tariacurii sp. nov. (Diptera: Scatopsidae) and new records of minute black scavenger flies, Zootaxa 5725 (2), pp. 255-266 : 260

Key to the Mexican species of genus Akorhexoza Cook

1. Male.............................................................................................. .. 2

– Female............................................................................................ .. 4

2. Tergum 7 without sublateral emargination ( Fig. 2C ); tergum 8 subrectangle with basal arm sclerotized, abruptly bent with tip pointed ( Fig. 2C )..................................................................... cactivora Cook, 1978

– Tergum 7 with sublateral emargination ( Fig. 2E, H–I ); tergum 8 not subrectangular, with different shaped............... 3

3. Tergum 8 with a pair of process horn–shaped ( Fig. 2F )....................................... dampfi ( Duda, 1928)

– Tergum 8 with two pairs of process not horn–shaped ( Fig. 2H )............. tariacurii Huerta & Guarín-Anacona sp. nov.

4. Tergite 8 + 9 very narrow, “U” shaped................................ tariacurii Huerta & Guarín-Anacona sp. nov.

– Tergite 8+9 broad, not “U” shaped...................................................................... .. 5

5. Tergite 8+9 subquadrate............................................................... cactivora Cook, 1978

– Tergite 8+9 not subquadrate, reduced towards the lateral margin............................... dampfi ( Duda, 1928)

Figures

FIGURE 2. Akorhexoza tariacurii sp. nov. (male), A, G–J; Akorhexoza cactivora Cook (male), B–C; Akorhexoza dampfi (Duda) (male), D–F. A. Wing, dorsal view; B, D, G, J. Sternum 7, ventral view; C, E, H, I. Tergum 7, dorsal view; Tergum 8, dorsal view.