Figures 46–49 in Culicoides Latreille and Leptoconops Skuse biting midges of the southwestern United States with emphasis on the Canyonlands of southeastern Utah (Diptera: Ceratopogonidae)

Figures 46–49. Male genitalia of Culicoides subgenus Monoculicoides, ventral view. 46) C. sonorensis, focused on fused base of parameres (P). 47) C. sonorensis, focused on aedeagus (not to same scale), spicules circled. 48) C. occidentalis, focused on fused base of parameres (P). 49) C. occidentalis, focused on aedeagus (not to same scale).