. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 486 Bulletin Museum of Comparative Zoology, Vol. 157, No. 6. Figures 197-198. Pristomyrmex browni sp. n. 197: Worker head, full-face view; 198A: Worker, lateral view; 198B: Propodeal spines, dorsal view. Holotijpe Worker (MCZC). TL , HL , HW , CI 91, SL , SI 105, PW , AL Paratypes, 11 workers and one male (MCZC, ANIC, BMNH). Worker. TL , HL , HW , CI 87-94, SL , SI 98-111, EL , PW , AL , PPW , PPL , PPI 117-127
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 486 Bulletin Museum of Comparative Zoology, Vol. 157, No. 6. Figures 197-198. Pristomyrmex browni sp. n. 197: Worker head, full-face view; 198A: Worker, lateral view; 198B: Propodeal spines, dorsal view. Holotijpe Worker (MCZC). TL , HL , HW , CI 91, SL , SI 105, PW , AL Paratypes, 11 workers and one male (MCZC, ANIC, BMNH). Worker. TL , HL , HW , CI 87-94, SL , SI 98-111, EL , PW , AL , PPW , PPL , PPI 117-127 (n = 11). Mandibles smooth and shining. Masti- catoiy margin of mandible with four teeth arranged as the strongest apical + the sec- ond strongest preapical + a relatively long (first) diastema + a small denticle + a rel- atively short (second) diastema + a small basal denticle; sometimes the second dia- stema indistinct. Basal margin of mandible almost straight, lacking a toothlike promi- nence. Anterior margin of the median por- tion of clypeus with at least five toothlike prominences, but sometimes two lateral denticles are fused into a broad lobe. Two ends of the anterior clypeal margin each with a strong subtriangular tooth. Ventral surface of clypeus lacking toothlike prom- inences. Clypeus usually with a few weak longitudinal rugae. Palp formula 1,2. Frontal carinae absent. Antennal scrobes absent. Frontal lobes nearly completely absent so that the antennal articulations are almost entirely exposed. Antennal scapes, when lying on the dorsal head, slightly surpassing the occipital margin by about one-eighth to one-seventh of their length. Eyes moderately sized. Occipital margin medially deeply emarginate. Ali- trunk in profile with a convex pro-meson- otum and a deeply concave propodeal dor- sum. Pronotum with a pair of acute short spines. Mesonotum lacking spines or teeth but usually with three blunt small tuber- cles that are present on the posterior end and on the two
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