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Psyche 
[Vol. 90 
distinguishable amid the sculpture in strong light at SOX. Antennae 
with robust scapes that just reach the posterior border of the head 
when held straight back; funiculus long, with an indistinctly 4- 
merous apical club; funicular segments II through V short, wider 
than long; pedicel (I) is 3-4X as long as II; VI-XI longer than wide. 
Mandibles short and stout, strongly downcurved, with acute api- 
cal tooth and blunt companion tooth, followed after long gaps by 
two blunt teeth, of which the submedian is followed closely basad by 
a distinct but rounded basal angle. Labrum without a distinct 
median tooth, but the two lobes each bear a delicate, upturned tooth 
at apex. Palpal segmentation not determined. Median clypeal lobe 
distinct but short, CLL 0.08, CLW 0.12, with indented or concave 
apical margin and subacute free corners; one side deformed in 
holotype. 
Trunk compact, with a weakly convex dorsal outline (in side 
view) between steeply sloping pronotal and propodeal declivities; 
promesonotum distinctly longer than propodeum; mesonotum 
weakly convex; metanotal groove strong, but only moderately 
impressed; propodeal dorsum feebly convex overall, but with a very 
shallow impression near midlength. Position of metapleural suture 
indicated by a vague sulcus. Propodeal declivity rather abruptly 
rounded off from dorsum, weakly transversely aciculate above, 
smooth and shining below, meeting sides of propodeum through 
bluntly subrectangular curves. Lengths of propodeal dorsum: meso- 
notum about as 5:3. 
Petiolar node thick but higher and broader than long; summit 
anterior, dorsal face rounded, but meeting steep concave anterior 
face through an abrupt curve, rounding broadly caudad into poste- 
rior face, which is low, flat and smooth. Ventral keel of petiole with 
a large, obliquely truncate process in front and another, lower, rec- 
tangular or obtuse angle farther caudad; this last angle is paired 
bilaterally with a mate, and together they appear to be homologous 
with the similar teeth or angles diagnostic of the genus Ponera. 
Gaster robust; constriction behind first segment deep, broad, 
scrobiculate. First segment abruptly truncate in front, the front face 
vertical, flat, smooth and shining; second subequal in length to first, 
but slightly wider than first. 
Head, trunk, and anterior disc of first gastric segment densely 
reticulate-punctulate and opaque, with a minutely pitted overlay; 
