FORMICIDAE 345 



696 (the army ants). — Schneirla, 1961. Ztschr. f, Tierpsychol. 

 18: 1-32, figs. 1-5, tables 1-4 (sexual broods and colony division 

 of Neivamyrmex nigrescens (Cress.)). — Rettenmeyer, 1963. Univ, 

 Kans. Bui. 44(9): 287-465, figs. 1-23, tables 1-4 (behavioral 

 studies). 

 Morphology: Hagan, 1954. Amer. Mus. Nat. Hist., Amer. Mus. Novitates 

 1663: 1-12, figs. 1-2 (anatomy of queen of Eciton). — Ibidem 1664: 

 1-17, figs. 1-18 (reproductive system of queen of Eciton). — Ibidem, 

 1665: 1-20, figs. 1-21 (the oocyte cycle). — Lappano, 1958. In- 

 sectes Sociaux 5: 31-66, figs, 1-25, tables 1-2 (morphological study 

 of larval development in all worker broods of Eciton burchelli 

 (Westw.)).— Whelden, 1963. N. Y. Ent. Soc. Jour. 71: 158-178, 

 figs, 10 (A-D4), 11 (A-G), 12 (A-1) (reproductive system of 

 vi^orker and female of Eciton burchelli (Westw.) and E. hamatum 

 (F.)).— Whelden, 1963. Ibidem, pp. 246-261, figs. 1 ((A-K, 14 (A- 

 E), 15 (A-D), 16 (A-E) (antennae and legs, E. hamatum and 

 E. burchelli) ). 



Genus NOMAMYRMEX Borgmeier, Sup. 1, p. 108 



Morphology: Borgmeier, 1957. Rev. Brasil. Biol. 17: 390. 

 Taxonomy: Borgmeier, 1958,. Studia Ent. 1: 201. 



Genus LABIDUS Jurine, Sup. 1, p. 108 



Morphology: Borgmeier, 1957. Rev. Brasil. Biol. 17: 389. 



coecus (Latreille). Ark. 



Biology: Kempf, 1961. Studia Ent. 4: 551-552 (as a cave ant). — Retten- 

 meyer, 1963. Univ. Kans. Sci. Bui. 44 (9) : 418-424. 

 Morphology: Borgmeier, 1957, loc. cit. supra, p. 390. 



Genus NEIVAMYRMEX Borgmeier, Sup. 1, pp. 108-110 



Morphology: Borgmeier, 1957, loc. cit. supra, pp. 392-393. 



ealifornicus (Mayr). Nev. 



carolinensis (Emery). Ohio, Va. 



fuscipennis (W. M. Wheeler). Kans.; Mexico. 



harrisii (Haldeman). 



Taxonomy: Borgmeier, 1958. Studia Ent. 1: 206-207. 



melanocephalus (Emery). Honduras. 



nigrescens (Cresson). Nebr., Colo. 



Biology: Rettenmeyer, 1963. Univ. Kans. Sci. Bui. 44 (9): 446-452, fig. 



23. 

 Morphology: Borgmeier, 1957, loc. cit. supra, p. 393. 

 Ecology: Gregg, 1963. The Ants of Colorado, pp. 286-288, map. 



opacithorax (Emery). Va., Ariz. 



Biology: Rettenmeyer, 1963. Univ. Kans. Sci. Bui. 44 (9): 437-446, 



fig. 22. 

 Morphology: Borgmeier, 1957, loc. cit. supra, p. 393. 



pauxillus (W. M. Wheeler). La. 



pilosus mandibularis (M. R. Smith). N. Max. 



wheeleri (Emery). Ariz. 



Subfamily CERAPACHYINAE 

 Biology: Wilson, 1958. Insectes Sociaux 5: 129-140 (behavior). 



ACANTHOSTICHUS subgenus CTENOPYGA Ashmead, p. 782 



texanus Forel. 



Taxonomy: M. R. Smith, 1955. Brooklyn Ent. Soc. Bui. 50: 48-50 (type 

 lost). 



