306 
Psyche [Voi. 94 
Figures 6-7. Fifth Instar (Mature Larva). 6a (hairs omitted) and 6b, profiles, 
XI 9; 6c, left mandible in anterior view, XI 85; 6d, head in anterior view, X76. 
7. Profiles of mature larvae to show size range (hairs omitted), X8. 7a, Major worker; 
7b, minor worker. 
like, thorax narrowed abruptly and turned ventrally, T1 about same 
diameter as head length. Otherwise larvae with different profiles 
similar. Anus with small lips. Leg, wing and gonopod vestiges pres- 
ent. Body hairs with bifid or frayed tip. Antennae small, each with 3 
sensilla; at midlength of cranium. Head hairs with slightly curved 
shaft and 2- or 3-branched tip. Mandibles ectatommoid; heavily 
sclerotized; apical tooth long and narrowed to a sharp point; sub- 
apical tooth at end of medial blade, with stout base and sharp apex. 
Maxillary palp paxilliform with 5 (4 apical and 1 lateral) sensilla; 
galea stout and digitiform with 2 apical sensilla. Labium with mi- 
