Figures 7-11. Sclerites of the sting apparatus of Terataner alluaudi. Fig. 7, 
spiracular plate, side view. Fig. 8, quadrate plate, side view. Fig. 9, oblong plate, side 
view. Fig. 10, sting and furcula, side view. Fig. 11, sting and furcula, ventral view. 
Abbreviations: AAP, anterior apoderne; ADC, anterodorsal corner; AP, apoderne; 
BD, body; DN, dorsal notch; FA, fulcral arm; IVA, intervalvifer articulation; PA, 
posterior arm; PI, postincision; VA, ventral arm; VR, ventral ridge. 
Sting: (Figs. 10, 11) Sting bulb wide, with heavy basal ridge. 
Valve chamber small, indistinguishable from sting shaft in profile; 
topped by heavy internal ridge; 2 large ventrolaterally projecting 
prongs seem to originate on the internal apophysis. Sting shaft long, 
slender, tapering to weak apex; hemocoel clearly visible in basal 
2/3. Index of reduction 20.1. 
Furcula: (Figs. 10, 11) A simple low arch, no dorsal arm; 
extremities dilated at articulation with base of sting. 
