1394 Hymenoptera in America North of Mexico 



nitens Emery. Wyo., Colo., Tex. w. to Wash., Oreg., Calif. Ecology: Found under rocks and in 

 duff. 

 Leptothorax (Leptotharax) nitens Emery, 1895. Zool. Jahrb., Abt. f. System. 8:318, 322. 5 . 

 Leptothorax nitens occidentalis Wheeler, 1903. Acad. Nat. Sci. Phila., Proc. 55:233, 245. 5 . 

 Leptotharax nitens var. heathii Wheeler, 1903. Acad. Nat. Sci. Phila., Proc. 55:223, 245. 5 . 



Taxonomy: Cole, 1942. Amer. Midland Nat. 28:369-370. —Cole, 1958. Ent. Soc. Amer., Ann. 

 51:536. —Wheeler and Wheeler, 1973. Psyche 80: 71, 73 (larva). 



Biology: MalUs, 1941. South. Calif. Acad. Sci., Bui. 40:73. —Gregg, 1963. Ants of Colo., pp. 

 382-384. —Wheeler and Wheeler, 1973. Ants of Deep Canyon, p. 96. 

 obliquicanthus Cole. Colo., N. Mex. Ecology: Foimd under stones in meadows and prairies. 

 Leptotharax (Myrafant) obliquicanthus Cole, 1953. Ent. Soc. Wash., Proc. 55:28-30. 5. 



Taxonomy: Gregg, 1953. Breviora 22:1-3. 

 Biology: Gregg, 1963. Ants of Colo., pp. 384-385, 387. 

 obturator Wheeler. Tex. Ecology: One colony was found in an oak gall. 



Leptothorax obturator Wheeler, 1903. Acad. Nat. Sci. Phila., Proc. 55:224, 249. 5, 9, 6. 



Taxonomy: Wheeler and Wheeler, 1955. Ent. Soc. Amer., Ann. 48:24 (larva). 



Biology: Wheeler, 1903. Amer. Mus. Nat. Hist., Bui. 19:663-664. —Wheeler, 1910. Ants, pp. 

 208-209. 

 rugatulus brunnescens Wheeler. N. Dak., Mont. s. to Colo., Utah. Ecology: Nests under rocks 

 or wood. Sometimes not distinguished from the typical subspecies in the literature. 

 Leptotharax rv^atulv^ brunnescens Wheeler, 1917. Amer. Acad. Arts and Sci., Proc. 



52:510. 5. 

 Leptotharax rugatulus dakotensis Wheeler and Wheeler, 1944. N. Dak. Hist. Quart. 11:247. 

 5. 



Taxonomy: Wheeler and Wheeler, 1955. Ent. Soc. Amer., Ann. 48:25 (larva). 



Biology: Gregg, 1963. Ants of Colo., pp. 388-389. 

 rugatulus rugatulus Emery. N. Dak., S. Dak., Colo., N. Mex. w. to B. C, Calif. Ecology: Nests 



under stones, wood, in decaying wood, in grasses. 

 Leptotharax {Leptothorax) rugatulus Emery, 1895. Zool. Jahrb., Abt. f. System. 8:317, 321. 



5. 

 Leptotharax curvispinosu^ rugatulus var. Cockerelli Wheeler, 1903. Acad. Nat. Sci. Phila., 



Proc. 55:241. 5,9. 

 Leptothorax curvispinosus annectens Wheeler, 1903. Acad. Nat. Sci. Phila., Proc. 55:242. 9 . 

 Leptotharax rugatulus var. mediarufus Wheeler, 1917. Amer. Acad. Arts and Sci., Proc. 



52:510. 5,9. 



Taxonomy: Wheeler, 1903. Acad. Nat. Sci. Phila., Proc. 55:223, 241. —Cole, 1942. Amer. 



Midland Nat. 28:369. — Creighton, 1950. Harvard Univ., Mus. Comp. Zool., Bui. 104:267-269. 



Biology: Wheeler, 1917. Amer. Acad. Arts and Sci., Proc. 52:509. —Cole, 1934. Psyche 41:222. 

 —Cole, 1954. Tenn. Acad. Sci., Jour. 29:240. —Wheeler and Wheeler, 1963. Ants of N. Dak., 

 pp. 141-143 (does not distinguish subspecies). —Gregg, 1963. Ants of Colo., pp. 386-388. 

 schaumi Roger. Maine to Ga., w. to Iowa., Kans., Tex. Ecology: Commonly nests in the bark of 

 trees. 

 Leptotharax schaumi Roger, 1863. Berlin. Ent. Ztschr. 7:180. 5. 

 Leptotharax fartinodis Mayr, 1886 Zool.-Bot. Gesell. Wien, Verb. 36:451. 2,9. 

 Leptotharax fartinodis var. gilxms Wheeler, 1903. Acad. Nat. Sci. Phila., Proc. 55:235. 5,9. 

 Leptotharax fartinodis var. melanoticus Wheeler, 1903. Acad. Nat. Sci. Phila., Proc. 55:235. 

 5, 9. 



Taxonomy: Wesson and Wesson, 1940. Amer. Midland Nat. 24:94-96. —Cole, 1940. Amer. 

 Midland Nat. 24:56. —Creighton, 1950. Harvard Univ., Mus. Comp. Zool., Bui. 104:269-271. 

 —Wheeler and Wheeler, 1960. Ent. Soc. Wash., Proc. 62:23 Oarva). 



Biology: Wheeler, 1905. Amer. Mus. Nat. Hist., Bui. 21:385. —Wheeler, 1916. Ind. Acad. Sci., 

 Proc. 26:461. 



