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Zoology Publications from Victoria University of Wellington—Nos. 49 to 51

Tomocerus serratospinus n.sp

Tomocerus serratospinus n.sp.

Figs. 17-19.

Colour: Deep brown to grey-brown, paler on legs and furcula.

Clothing: Of typical fluted scales and occasional simple setae especially on antennae legs and furcula. Only Ants. I and II with scales. Ants. III and IV with whorls of short slender simple setae. Furcula with serrated spines and comb-like serrated setae.

Body: Length to 2.3 mm. Ants. III and IV completely fused and approximately five times longer than Ant. II. Ocelli subequal, six to each side.

Legs: The claw has a pair of large inner teeth about one-fifth down, a row of five smaller internal teeth and a pair of large external basal teeth. The clavate tenent hair shorter than claw, with the clavate portion winged as shown in Fig. 17. Unguiculus lanceolate with an almost straight outer lamella and a spine on the inner edge.

Furcula: Mucro clothed with simple setae and with a small apical tooth, a large subapical tooth, three large median conical teeth and five or six small lateral teeth.

Spines of dens both large and small strongly serrated, each spine arising from a cup shaped process as shown in Fig. 19. Many strongly serrated comb-like setae and numerous long, simple setae on each dens. Dental formula from base to apex of dens 3-4, I/3-4, I, 0-1, I, varying on the dens of opposite sides. Normally the basal 3-4 are doubled with two rows side by side, the others are in a single row.

Locality: Lachen, Sikkim, 9500′ altitude under stones in open ground; Lachen, 8950′ altitude in moss and pine needles.