♂ genitalia of Myrmica ruginodis (PMJ:Hex:2205), 3D reconstruction in transverse cross-section. Abbreviations: ASVIII = abdominal sternite VIII; ASIX = abdominal sternite IX; gcx = gonocoxite; psc = penial sclerite; vlv = valvura; vol = volsella; 8vpmm = ventral paramedial muscles VIII–IX; 9dvim = dorsoventral intrinsic muscles IX; 9vcm2 = posteromedial sterno-coxal muscles; 9vcm3 = lateral sterno-coxal muscles; 9clm2 = lateral intrinsic coxo-lateropenital muscles; 9clm3 = medial extrinsic coxo-lateropenital muscles; 9cppd = dorsal coxo-penial promotors; 9cprd1 = medial dorsal coxo-penial remotors; 9cppv2 = posterior ventral coxo-penial promotors; 9cprv2 = lateral ventral 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