File:Wheeler and Holldobler 1985 fig 4 pal.jpg

Summary
Fig. 4. Zacryptocerus pallens (Kartabo, British Guiana). a. Cephalic shield of soldier. Note central ridge, b. Close up of setae and encrusting materials.

Wheeler, D. E. and B. Hölldobler. 1986 (1985). Cryptic phargmosis: the structural modifications. Psyche. 92:337-353. DOI:10.1155/1985/76848