File:M96 aca 11-33.png

Figs. 11-33. Heads and petioles of Acanthostichus workers. Figs 11-13, 15 and 16 drawn to same scale, Figs. 17-33 drawn to same scale: 11) A. lattkei head of holotype, 0.5 mm scale; 12) A. punctiscapus Head of holotype; 13) A. quadratus head of lectotype; 14) A. sanchezorum head of holotype, 0.5 mm scale; 15) A. serratulus head of lectotype; 16) A. texanus head; 17 & 18) A. arizonensis petiole of holotype, top and side views; 19 & 20) A. brevicornis petiole of lectotype, top and side views; 21) A. concavinodis petiole of holotype; 22 & 23) A. femoralis petiole of cotype, top and side views, 0.25 mm scale; 24 & 25) A. kirbyi petiole of lectotype, top and side views; 26) A. truncatus lower outline of petiole of holotype; 27) A. laticornis side view of petiole of lectotype; 28 & 29) A. lattkei petiole of holotype, top and side views; 30 & 31) A. punctiscapus petiole of holotype, top and side views; 32 & 33) A. quadratus petiole of lectotype, top and side views.

[[Media:MacKay 1996.pdf|MacKay, W.P. 1996. A revision of the ant genus Acanthostichus. Sociobiology. 27:129-179. PDF]]