Mayriella abstinens

Identification
Key to Australian Mayriella species.

Distribution based on Regional Taxon Lists
Australasian Region: Australia, New Zealand.

Nomenclature

 *  abstinens. Mayriella abstinens Forel, 1902h: 452 (w.) AUSTRALIA. Imai, Crozier & Taylor, 1977: 349 (k.). Senior synonym of hackeri, venustula: Shattuck & Barnett, 2007: 441.
 * hackeri. Mayriella abstinens subsp. hackeri Wheeler, W.M. 1935e: 157, fig. 1 (w.q.) AUSTRALIA. Wheeler, G.C. & Wheeler, J. 1973a: 36 (l.). Raised to species: Taylor, 1991b: 602. Junior synonym of abstinens: Shattuck & Barnett, 2007: 441.
 * venustula. Mayriella abstinens subsp. venustula Wheeler, W.M. 1935e: 158 (w.) AUSTRALIA. Raised to species: Taylor, 1991b: 602. Junior synonym of abstinens: Shattuck & Barnett, 2007: 441.

Worker
Sculpturing in posterior section of antennal scrobe well developed and distinct; sculpturing on dorsal surface of mesosoma consisting of large, closely spaced pits (or rarely smaller and more widely spaced); propodeal spines varying from short and triangular to elongate and thin; dorsal surface of petiole in lateral profile uniformly convex, without distinct dorsal and posterior faces and forming an obtuse angle with the anterior face; in dorsal view, postpetiole with the anterior and posterior regions approximately the same width (the region connecting them either flat or weakly convex); postpetiole and gaster lacking erect hairs dorsally.

Measurements. Worker (n = 10): CI 0.89-0.97; HL 0.42-0.57; HTL 0.23-0.32; HW 0.39- 0.50; ML 0.42-0.57; PW 0.29-0.37; SI 0.58-0.73; SL 0.24-0.36.