Ethiopian-region
Guides
Helluonini
Flat-horned Ground Beetles
Helluonini is a tribe of ground beetles within the subfamily Anthiinae, containing more than 20 genera and approximately 190 described species. Members are distributed across tropical and subtropical regions including the Oriental, Ethiopian, and Palaearctic realms. The tribe includes medium-sized beetles (8–17 mm) with characteristic elongate bodies, coarse punctation, and pubescence. The genus Macrocheilus, the most speciose in the tribe with 56 species, exemplifies the group's morphological diversity across Africa, Asia, and Madagascar.