Proceratium williamsi

Nothing is known about the biology of .

Distribution based on Regional Taxon Lists
Oriental Region: India.

Nomenclature

 *  williamsi. Proceratium williamsi Tiwari, in Mathew & Tiwari, 2000: 272, figs. 14-15 (w.) INDIA.

Worker
Holotype. TL 2.92; HL 0.68; HW 0.68; CI 100; SL 0.42; SI 62; PW 0.47; ThL 0.79.

Paratypes: TL 2.87-2.89; HL 0.63-0.71; HW 0.68; CI 96- 108; SL 0.45; SI 66; PW 0.45-0.47; ThL 0.82. Similar to holotype.

Head as long as broad, occipital margin round; the median cIypeal margin produced in the middle, mandibles tridentate; eyes very minute, placed about the middle of the head laterally; antennae stout; thorax round, thoracic sutures not distinct; apical portion of metanotum concave, bordered on either side by a carina; node of pedicel broad, broader than long, briefly petiolate in front, with a short appendix beneath; abdomen stout, convex; legs moderate; the whole insect densely punctate and with a silky gloss; hairs on body sparse, few on the mandibles at the base of the masticatory region; pubescence dense, golden yellow, almost covering the sculpture.

Colour: Reddish brown.

Queen
TL 4.13-4.34; HL 0.92; HW 0.76; CI 83; SL 0.74; SI 97; PW 0.68; ThL 1.32; DE 0.16.

Head longer than broad; eyes prominent, placed about the middle of the head laterally; ocelli prominent; cIypeal margin anteriorly not produced in the middle; mandibles with few longitudinal striae; masticatory margin broad, armed with ten to eleven small teeth, apical two prominent; sides of head straight, posterior margin round, frontal carinae raised, spatulate; clypeal region concave; clypeal concavity on either side with transverse striae, striae bent towards the mandibular base; erect to suberect hairs on body numerous; densely pubescent; the whole insect densely punctured.

Type Material
Holotype worker: India: Meghalaya; East Khasi hills, Shillong, Risa Colony, 14.v.76, CoIl. R. Mathew. Paratypes : 2 workers and 3 females with the same collection data as that of the holotype.