PLATE XXX. 



Figs. 1, 2 and 3. — Lateral, dorsal and ventral aspects of ovipositor, 

 diagrammatic: uv, upper valves; Iv, lower valves; vs, upper and 

 lower valves (fig. 2) ; buv, base or support for uv; blv, base or sup- 

 port for Iv; sh, sheath; v, valve closing oviduct; procv, process of rod 

 for closing v; sc, laterally diverging pairs of sclerites cephalad of 

 sheath (fig. 1) ; sc 1, proximal pair of sclerites; sc 2, distal pair of 

 sclerites; stp, sting-palpi; mr, median rod; Ir, lateral tendenous rod 

 flattening out into lightly chitinized lateral plates, Ipt. 



Fig. 4. — Diagram showing position of ovipositor: spp, supra-anal plate; 

 a, opening of anus; sgp, subgenital plate; v, valves of ovipositor; sh, 

 sheath of ovipositor tip. 



Fig. 5. — Lateral aspect of metafurca. 



Fig. 6. — Caudal aspect of supra-anal plate: spp, supra-anal plate; sppft, 

 inner edges or flaps of supra-anal plate; x, distal portion of plate; a, 

 anal opening; Ip, lateral plate; co, base of copulatory organ; I, loop 

 below copulatory organ. 



Fig. 7. — Lateral aspect of supra-anal plate and copulatory organ: spp, 

 supra-anal plate; sppfl, inner edges or flaps of supra-anal plate; x, 

 distal portion of plate; a, anal opening; Ip, lateral plate; co, copu- 

 latory organ; g, geniculation ; c, club; p, penis; I, loop below copu- 

 latory. organ ; y, slit in base of copulatory organ. 



Fig. 8. — Cephalic aspect of metathorax, diagrammatic: str, meta- 

 sternum; mf, metafurca; la, lateral projection of endoskeleton ; mett, 

 metatergum. 



Fig. 9. — Section through fore wing: wm, wing membrane; b, pigmented 

 disc; a, unpigmented disc; c, cuticular processes on ventral surface of 

 wing. 



