laticeps-group, the combination of: (1) head and mesosoma dark reddish-black, gaster black, (2) rugae on promesonotum transverse, oblique, or irregular, rarely longitudinal, and (3) medial rugae along posterior margin of head usually partly rugoreticulate uniquely characterize this species.Įrgatoid Queen This caste is diagnosed by: (1) ergatoid, with small ocelli on head and mesosoma lacking morphological structures related to wings, (2) larger species (HW > 1.40 mm), (3) first gastral tergum smooth and shining to moderately coriarious, (4) interrugae on cephalic dorsum smooth and shiny, and (5) head, mesosoma, petiolar node, postpetiole dark reddish-black gaster blackish.īrachypterous Queen This caste is diagnosed by: (1) brachypterous with very small wings and small ocelli on head, (2) in dorsal view, mesoscutum poorly-developed, anterior margin barely surpassing humeral shoulders of pronotum, (3) pronotum well-developed, (4) in profile, the pronotum rises at an approximately 45° angle to meet the mesoscutum, and (5) head and mesosoma dark reddish-black, gaster black. The two queen forms in this species, ergatoid and brachypterous queens, are both flightless. 7 References based on Global Ant Biodiversity Informatics.

2.4 Distribution based on AntWeb specimens.

2.2 Distribution based on Regional Taxon Lists.

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