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(Figs 26-28, 50)
Types. Syntype workers from Mackay, Queensland , Turner (1 worker in ANIC, examined, ANIC 32-047224).
Diagnosis. Rugae on head and dorsum of mesosoma irregular and ill-defined, not forming a regular pattern. The presence of irregular rugae on the body of this species will separate it from all other Australian species.
FIGURES 23-28. Myrmecina pumilaZBKHNS sp. n. worker. Fig. 23, front of head; Fig. 24, lateral view of body; Fig. 25, dorsal view of body. Myrmecina rugosa ForelHNS worker. Fig. 26, front of head; Fig. 27, lateral view of body; Fig. 28, dorsal view of body.
Worker description. Antennal scapes smooth or with low ridges. First segment of funiculus cone-shaped. Sides of head behind compound eyes smooth. Sculpturing on dorsal surface of mesosoma ill-defined and irregular rugae. Dorsal and lateral surfaces of mesosoma separated by an indistinct angle or ridge which interrupts or breaks the mesosomal sculpturing. Metanotal spines very short. Propodeal spines long. Erect hairs abundant, straight. Colour dark brown-black, antennae, mandibles, legs and tip of gaster yellow-red.
Measurements. Worker (n = 1) - CI 101; HL 0.64; HW 0.65; MTL 0.35; SI 81; SL 0.53; WL 0.78.
Comments. This species, the first species in the genus described from Australia, is so far known only from type material. It can be recognised by the irregular rugose body sculpturing which is in contrast to the remaining Australian species where distinct carinae are present on the head and mesosoma. It is curious that this species was the first described given that it is one of the rarest in the genus.
Collect Date Range: collected on 1894-09-01
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