Fig. 4 a –f Intra- and inter-specific variation, allometry and correlation of male and female genital structures. Bars indicate ± SE where available. a Intraspecific correlation of male and female eye span and wing length with body length in Teleopsis spec. A. Filled triangles Male eye span, empty triangles female eye span, filled diamonds male wing length, empty diamonds female wing length. b Intraspecific correlation of male and female genital structures with body length in Teleopsis spec. A. Filled triangles Male genital process, empty triangles female common spermathecal duct, filled diamonds female common and separate spermathecal duct leading to single spermatheca combined, empty diamonds female common and separate spermathecal duct leading to double