Superfamily FORMICOIDEA 1397 



duloticus Wesson. Mich., Ohio, 111. (?). Ecology: Dulotic, enslaves Leptothorax curvispinosus 

 Mayr and L. longispinosus Roger. 

 Leptothorax (Mychothorax) duloticus Wesson, 1937. Ent. News 48:125. 5,9. 



Taxonomy: Wesson, 1940. Brooklyn Ent. Soc, Bui. 35:81-83 (male, biology). 



Biology: Wesson and Wesson, 1940. Amer. Midland Nat. 24:94. — Talbot, 1957. Ecology 

 38:449-456 (populations). — Kannowski, 1959. Insectes Sociaux 6:124-215, 150-151 

 (parasitism). 

 hirticomis Emery. N. Dak., S. Dak., Colo., Utah., Calif. Ecology: An inquiline in nests of 

 Formica obscuripes Forel and possibly Formica integroides integroides Emery. 

 Leptothorax (Leptothorax) hirticomis Emery, 1895. Zool. Jahrb., Abt. f. System. 8:317, 319. 



5. 

 Leptothorax (Leptothorax) hirticomis formidolostis Wheeler, 1915. Amer. Mus. Nat. Hist., 

 Bui. 34:415. «?, ergatoid 9. 



Taxonomy: Wheeler, 1903. Acad. Nat. Sci. Phila., Proc. 55:223-224. —Smith, 1939. Ent. Soc. 

 Wash., Proc. 41:176-179 (worker, ergatoid female). 



Biology: Weber, 1935. Ecol. Monog. 5:200. —Wheeler and Wheeler, 1944. N. Dak. Hist. Quart. 

 11:248. —Wheeler and Wheeler, 1963. Ants of N. Dak., pp. 145-146. —Gregg, 1963. Ants of 

 Colo., pp. 403, 405. — Snelling, 1965. South. Calif. Acad. Sci., Bui. 64:16 (also description of 

 dealate female and ergatoid male). 

 muscorum (Nylander). Newfoimdland (Labrador) w. to N. W. T., Alaska, s. to Conn., Wis., N. 



Mex., Ariz., Calif.; Eurasia. Ecology: Has been found at 69° 22' N., Kidluit Bay on 



Richards Is., the northernmost record of any New World ant. Mostly found in 



woodlands, in decaying stumps, logs, under bark of fallen trees, or under rocks. It is 



best able to survive in extreme arctic conditions under stones. 

 Myrmica muscorum Nylander, 1846. Acta Soc. Sci. Fenn. 2:1054. 5, 9, 6. 

 Leptothorax canadensis Provancher, 1887. Addit. Corr. Faune Ent. Canada, Hym. p. 245. 



5, 9,cJ. 

 Leptothorax (Leptothorax) canadensis var. yankee Emery, 1895. Zool. Jahrb., Abt. f. 



System. 8:317, 319. 5, 9. 

 Leptothorax yankee var. kincaidi Pergande, 1900. Wash. Acad. Sci., Proc. 2:520. 9,9. 

 Leptothorax muscorum var. sordidv^ Wheeler, 1903. Acad. Nat. Sci. Phila., Proc. 55:223, 



224. 5. 

 Leptothorax acervorum canadensis var. convivialis Wheeler, 1903. Acad. Nat. Sci. Phila., 



Proc. 55:228. 9,9. 

 Leptothorax canadensis obscurus Viereck, 1903. Amer. Ent. Soc., Trans. 29:72. 9 . 

 Leptothorax (Leptothorax) acervorum canadensis var. Calderoni Forel, 1914. Deut. Ent. 



Ztschr., p. 617. 9, 9. 

 Leptothorax (Mychothorax) muscorum var. septentrionalis Wheeler, 1917. Amer. Acad. 



Arts and Sci., Proc. 52:511. 9, 9, d. 



Taxonomy: Wheeler, 1903. Acad. Nat. Sci. Phila., Proc. 55:223, 225-229. —Wheeler, 1917. 

 Conn. State Geol. and Nat. Hist. Survey Bui. 22:588. —Wheeler, 1917. Amer. Acad. Arts 

 and Sci., Proc. 52:512-513. —Brown, 1955. Ent. News 66:47-50 (also ecology). —Wheeler 

 and Wheeler, 1955. Ent. Soc. Amer., Ann. 48:21 flarva). — Francoeur and Beique, 1966. 

 Canad. Ent. 98:142 (Provancher ant types). 



Biology: Wheeler, 1908. Amer. Mus. Nat. Hist., Bui. 24:621. —Wheeler and Wheeler, 1944. N. 

 Dak. Hist. Quart. 11:247-248. — Mallis, 1941. South. Calif. Acad. Sci., Bui. 40:73. —Cole, 

 1942. Amer. Midland Nat. 28:369-370. —Gregg, 1946. Amer. Midland Nat. 35:748. 

 —Kannowski, 1959. Insectes Sociaux 6:125. —Wheeler and Wheeler, 1963. Ants of N. Dak, 

 pp. 143-145. —Gregg, 1963. Ants of Colo., pp. 393-400. —Chapman, 1969. Ent. Soc. Amer., 

 Ann. 62:1256-1259 (release and recovery of marked winged forms). — Moglich, Machwdtz, 

 and HoUdobler, 1974. Science 186: 1046-1047 (tandem calling). 



