. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Revision of Acanthomyrmex • Moffett 81 Diagnosis. Minors with head deeply concave dorsad and thus resembhng A. lu- ciolae and basispinosiis, except: propo- deal spines without a distinct thickened base, strongly directed caudad; mandibles each with a ventral tooth; medial clypeal lobes well-developed, projecting; postpeti- ole with only two pairs of hairs dorsally. Major worker unknown. Minor. Holotype and single paratype measure HW , HL (CI 122), ML to (MI 87 to 88), SL (SI 82), EL to
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Revision of Acanthomyrmex • Moffett 81 Diagnosis. Minors with head deeply concave dorsad and thus resembhng A. lu- ciolae and basispinosiis, except: propo- deal spines without a distinct thickened base, strongly directed caudad; mandibles each with a ventral tooth; medial clypeal lobes well-developed, projecting; postpeti- ole with only two pairs of hairs dorsally. Major worker unknown. Minor. Holotype and single paratype measure HW , HL (CI 122), ML to (MI 87 to 88), SL (SI 82), EL to , HFL to (FLI 111 to 114; FWI 24) mm. Posterior mar- gin of head deeply concave in dorsal full- face view; head shape similar to A. lu- ciolae, but with lateral margins of head less strongly convex. Head widest above the eyes. Head with rounded foveae hav- ing thick walls; dorsally the longest hairs extend to mm. Scapes short (SI < 90). Clypeal index 140 to 144. Lobe to each side of medial clypeal hair strongly produced, but widely separated from the. Figures 40-43. Acanthomyrmex careoscrobis holotype (minor worker). 40. Frontal view of head. 41. Lateral view of trunk. 42. Dorsal view of postpetiole. 43. Lateral view of waist. Scale lines. Figures 40-41, mm. Figures 42-43, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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