388 
Psyche 
[Vol. 92 
Genus Dinoponera Roger 
Revised characterization. Profile pogonomyrmecoid (i.e., 
diameter greatest near the middle of abdomen, decreasing gradually 
toward anterior end and more rapidly toward posterior end, which 
is rounded; thorax more slender than abdomen and forming a neck, 
which is curved ventrally). Body with numerous (1 14-160) mammi- 
form tubercles, each with 2-25 short simple hairs; body hairs lack- 
ing elsewhere. Cranial hairs lacking. Mandible dinoponeroid (i.e. 
narrowly subtriangular in anterior view; apical portion curved pos- 
teriorly; with or without medial teeth.) 
Dinoponera gigantea Perty 
Mature worker larva. Fig. 1. Length (through spiracles) 18.8 
mm; removed from cocoon, contracted 20.5 mm; removed from 
unfinished cocoon, not contracted 23.6 mm. Profile pogonomyrme- 
coid, with or without lateral longitudinal welts; with 1 16 mammi- 
form tubercles distributed as follows: T2, T3 and AIX with 8 
tubercles each, T1 and AI-AVIII with 10 tubercles each, AX with 2; 
each tubercle with 2-25 short simple smooth hairs; ventral pairs of 
tubercles smaller than the others and with fewer hairs. Leg vestiges 
present. Anus posteroventral. Somites distinct. Spiracles small. 
Integument densely spinulose, the spinules rather large and arranged 
in short to long rows, longest anteroventrally. Body hairs lacking 
except on tubercles. Cranium transversely subelliptical; integument 
rugulose; a few rugae bearing minute spinules or papillae. Antennae 
small; with 3 sensilla each. Head hairs lacking except on venter of 
labium; integument with about 50 sensilla. Labrum trapezoidal; 
anterior surface with ventrolateral bosses, each bearing about 24 
sensilla; ventral surface densely spinulose, the spinules longer later- 
ally; each half with 1 isolated and 2 contiguous sensilla; entire poste- 
rior surface densely spinulose, the spinules rather long and in 
numerous rather long subtransverse rows, the spinules so long and 
the rows so close together that the spinules overlap; each half with 4 
sensilla in a longitudinal row near middle. Mandible large, apical 
and subapical teeth heavily sclerotized and curved posteriorly; with 
a small medial blade bearing a medial tooth; posterior surface spinu- 
lose, the spinules minute and isolated or in short rows. Maxilla large 
and bulging laterally; apex paraboloidal, entire surface densely 
covered with isolated spinules, the spinules longer ventrally; palp 
