♂ genitalia of Yavnella zhg-bt01 (CASENT0842743), 3D reconstructions (A–E) and summary diagram (F). Orthogonal caps at end of diagrammatic muscle lines signify origin; lack of caps, insertion. A dorsal view. B ventral view. C profile view. D sagittal cross-section. E transverse cross-section. F genital musculature, sagittal cross-section. Abbreviations: ASVIII = abdominal sternite VIII; cup = cupula; gcx = gonocoxite; gpd = gonopodites; pht = phallotreme; ppp = posterior penial process; psc = penial sclerite; stl = gonostylus; vol = volsella; 9clm3 = medial extrinsic coxo-lateropenital muscles; 9cprd1 = medial dorsal coxo-penial remotors.

 
 
  Part of: Griebenow ZH, Richter A, van de Kamp T, Economo EP, Lieberman ZE (2023) Comparative morphology of male genital skeletomusculature in the Leptanillinae (Hymenoptera: Formicidae), with a standardized muscular terminology for the male genitalia of Hymenoptera. Arthropod Systematics & Phylogeny 81: 945-1018. https://doi.org/10.3897/asp.81.e104810