Figure 5
From: Morphology of the tentorium in the ant genus Lasius Fabricius (Hymenoptera: Formicidae)
The tentorium and the attached muscles of Lasius japonicus. (a) Lateral view. (b) Anterodorsal view; arrow A, attachment area of anterior antennal muscles; arrow B, attachment area of posterior antennal muscles. (c) Anteroventral view; arrow, attachment area of maxillary adductor muscle. (d) Dorsolateral view; arrow A, attachment area of labial adductor muscle on the inner wall of the cranium. Janet3 illustrated that the labial adductor muscle originates from the posterior tentorial arm (arrow B), which was not confirmed in the present study. ata, anterior tentorial arm; atp, anterior tentorial pit; ct, corpotendon; dta, dorsal tentorial arm; tb, tentorial bridge.
