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Types Mus. Comp. Zool. Harvard.
DIAGNOSIS Similar to the Dominican endemic harlequinaHNS, differing from it and all other PheidoleHNS as follows. Major: propodeal spines very thick, curved, sickle-shaped, and much longer than the propodeal basal face anterior to them; head and body bicolored as depicted; all of dorsal surface of head except for occipital margin carinulate and weakly rugulose; head slightly broader than long; petiolar peduncle very long; postpetiole from above diamond-shaped.
Minor: propodeal spines very thick, curved, and sickle-shaped, much longer than the propodeal basal face anterior to them; body concolorous medium brown.
Measurements (mm) Holotype major: HW 1.04, HL 1.02, SL 0.70, EL 0.14, PW 0.50. Paratype minor: HW 0.48, HL 0.52, SL 0.64, EL 0.08, PW 0.32.
Color Major: body medium brown except for the front of the head (as depicted), as well as dorsum of promesonotum and anterior half of first gastral tergite, which are brownish yellow.
Minor: body concolorous medium brown, appendages light to yellowish brown.
Range P. drepanonHNS is evidently an endemic of the Dominican Republic; a second collection was made by P. S. Ward 22 km north of Pedemales, 18AÃ‚Â°09TN* 71AÃ‚Â°35'W, 1600 m. P. drepanonHNS might also occur in Haiti, especially since the type locality is close to the border.
Biology The type colony was collected in tropical evergreen forest.
Figure Upper: holotype, major. Lower: paratype, minor. DOMINICAN REPUBLIC (GREATER ANTILLES): Sierra de Baoruco, N. Cabo Rojo, Km 23, near Pedernales, 500 m (William L. and Doris E. Brown). Scale bars = 1 mm.