256 
Psyche 
[June-Septernber 
Figures 1-4. Sclerites of the sting apparatus of Eutetramorium mocquerysi. Fig. 
1, spiracular plate, side view. Fig. 2, apical !4 of lancet, side view. Fig. 3, sting and 
furcula, side view. Fig. 4, sting and furcula, ventral view. Abbreviations: AAP, 
anterior apodeme; ALP, anterolateral process of sting base; BD, body; BR, basal 
ridge; DA, dorsal arm of furcula; DR, dorsal ridge; HE, hernocoel; IAP, internal 
apodeme; LA, lateral arm of furcula; PAP, posterior apodeme; SBLB, sting bulb; 
SS, sting shaft; VC, valve chamber; VR, ventral ridge. 
apodemes present, well sclerotized. No dorsal notch or posterodor- 
sal lobe. Spiracle relatively small, located caudad of center. 
Quadrate plate: Body and apodeme both subrectangular, equal in 
width; body extends well ventrad of apodeme. Dorsal edge of plate 
convex, with moderately wide medial and lateral lobes terminating 
in an acute anterodorsal corner. 
Anal plate: Very poorly sclerotized, ill-defined; no sensilla. 
