Male-secondary-sexual-characteristics
Guides
Achradocera
Achradocera is a genus of long-legged flies (Dolichopodidae: Diaphorinae) distributed across the Americas and Polynesia. The genus was restored from subgenus status in 1975 and currently comprises 12 recognized species. Phylogenetic analysis identifies two species groups: the Nearctic barbata group and the Neotropical femoralis group. Biogeographic studies indicate vicariance as the primary driver of speciation in this genus.