Colobopsis vitrea

Distribution
This taxon was described from Indonesia (Batjan Island). It is also known from the Philippines, New Guinea, China, India, Thailand, Borneo and Australia.

Nomenclature

 * incursor. Formica incursor Smith, F. 1860b: 95 (w.) INDONESIA (Batjan I.). Junior synonym of vitreus: Donisthorpe, 1932c: 459.
 *  vitreus. Formica vitrea Smith, F. 1860b: 94 (w.) INDONESIA (Batjan I.). Emery, 1899c: 7 (l.); Viehmeyer, 1916a: 160 (s.q.m.); Karavaiev, 1933a: 319 (m.). Combination in Camponotus: Dalla Torre, 1893: 257; in C. (Colobopsis): Emery, 1893e: 225. Senior synonym of siggii: Forel, 1895e: 455; of adlerzii: Forel, 1895e: 458; of incursor: Donisthorpe, 1932c: 459. Current subspecies: nominal plus angustulus, carinatus (unresolved junior homonym), latinotus (unresolved junior homonym), oebalis, praeluteus, praerufus, vittatulus. See also: McArthur & Shattuck, 2001: 41.
 * adlerzii. Prenolepis adlerzii Forel, 1886f: 209 (w.) AUSTRALIA. Junior synonym of vitreus: Forel, 1895e: 458.
 * siggii. Camponotus (Colobopsis) angustata var. siggii Forel, 1893b: 436 (s.w.) THAILAND. Junior synonym of vitreus: Forel, 1895e: 455.

Type Material


Formica incursor

Holotype worker in. Labelled “Bac. 52.”

Formica vitrea

Two worker syntypes in. Labelled “Bac. 13.”

Description
Worker. Length 2 lines (= 4 mm). Jet black, smooth and shinning; head a little wider than the thorax; eyes ovate, placed rather high on the sides of the head; the antennae longer than the thorax, flagellum slightly thickened towards the apex; the mandibles pale rufo-testaceous. Thorax narrow, compressed behind and strangulated at the base of the metathorax; the scale of the abdomen compressed, quadrate and slightly notched above. Abdomen wider than the head, subglobose; the apical margins of the segments narrowly pale testaceous. Hab. Bachian. This species is found on trees, running in numbers up and down the trunks, probably in search of Aphides.