BL	Body length: the total body length from the anterior margin of the head excluding mandibles to the apex of the abdomen, measured in dorsal view.
HL	Head length: the length of the head capsule excluding the mandibles; measured in full-face view in a straight line from a line that spans the anteriormost points of the clypeal lobes to the level of a line that spans the posterior corners of the head capsule.
HW	Head width: the maximum width of the head immediately behind the eyes, measured in full-face view.
HWE *	Head width, eyes: the maximum width of the head, including the compound eyes.
SL	Scape length: the maximum straight-line length of the scape, excluding the basal constriction or neck that occurs just distad the condylar bulb.
EL	Eye length: in profile, the maximum measurable length of the compound eye.
OLL *	Ocellus length, lateral: the maximum length of the lateral ocellus, measured in full-face view.
OIL *	Inter-ocellus length: the minimum distance between the lateral ocelli, measured in full-face view.
WL	Weber’s length: the diagonal length of the mesosoma in profile, from the angle at which the pronotum meets the cervix to the posterior basal angle of the metapleuron.
ML *	Mesoscutum length: the maximum length of the mesoscutum, measured in dorsal view.
MW *	Mesoscutum width: the maximum width of the mesoscutum, measured in dorsal view.
FWL *	Forewing length: the maximum length of the forewing from the apices of the axillary sclerites to the wing apex.
PH	Petiole height: the maximum height of petiole (abdominal segment 2), measured in profile view.
PL	Petiole length: the maximum length of petiole (abdominal segment 2), measured in dorsal view.
PW	Petiole width: the maximum width of petiole (abdominal segment 2), measured in dorsal view.
GL	Gaster length: the maximum length of gaster (abdominal tergites 3 to 7), measured in dorsal view.
GW	Gaster width: the maximum width of gaster, measured in dorsal view.
CI	Cephalic index: HW/HL X 100.
HWI *	Head width index: HW/HWE X 100.
SI	Scape index: SL/HW X 100.
OI	Ocular index: EL/HL X 100.
OCI *	Ocellar index: OLL/OIL X 100.
EPI	Eye Position Index: in full-face view, the distance from a horizontal line that spans the anterior clypeal margin to one that spans the anterior margins of the eyes, divided by the distance from a horizontal line that spans the posterior margins of the eyes to one that spans the posterior corners of the head, X 100.
MI*	Mesoscutum index: MW/ML X 100.
PI	Petiolar index: PL/PH X 100.