Overview of the scanned abdominal volume of the last four abdominal segments of a female tsetse fly (Glossina morsitans, (Westwood 1851) (G. morsitans)) 2 h post-mating. (A) Side view; (B) Sagittal Section; (C) Dorsal View of the abdominal musculature; (D) Lateral view of the abdominal musculature with uterus and ovaries for context. Abbreviations: DI—dorsal intersegmental pleats, Fb—fat body, Mg—midgut, B—bacteriome, Sp—spermatheca, Hg—hindgut, O—ovaries, U—uterus, S—spermatophore, Spir—spiracle, DAUD—diagonal anterior uterine dilatory musculature, AUD—anterior uterine dilatory musculature, DIRM—dorsal intersegmental retractor musculature, VIRM—ventral intersegmental retractor musculature.