Fig. 1 a –c Female internal and male external genitalia. a in Coevolution of male and female genitalia in stalk-eyed flies (Diptera: Diopsidae)

Fig. 1 a –c Female internal and male external genitalia. a Cyrtodiopsis whitei female internal and male external genitalia interacting during copulation, modified from Kotrba (1993), male genitalia shaded in grey. b Teleopsis spec. A female internal genitalia. c Teleopsis spec. A dorsal part of aedeagus. ag Accessory glands, co common oviduct, csd common spermathecal duct, de external opening of ejaculatory duct, gp male genital process, sd separate spermathecal ducts, sp spermathecae, va vagina, vr ventral receptacle. Schematic illustrations: black structures indicate dark brown, strongly sclerotized cuticle. Bar 100 μm