Superfamily FORMICOIDEA 1437 



Biology: Goswald, 1932. Ztschr. Wiss. Zool. 142: 1-156 (in Germany). —Wilson, 1955. Harvard 

 Univ., Mus. Comp. Zool., Bui. 113: 72-75. —Wheeler and Wheeler, 1973. Ants of Deep 

 Canyon, pp. 116-117. 

 pallitarsis (Provancher). N. S., Que. w. to B. C, Alaska s. to N. Y., N. C, Mich., Wis., Minn., S. 

 Dak., N. Mex., Ariz., Nev., Calif.; Siberia. Ecology: Found mostly in forested areas 

 where it nests in rotting logs and stumps or under stones. Occasionally a house infesting 

 ant. 

 Formica pallitarsis Provancher, 1881. Nat. Canad. 12: 355. 5, d. 

 Lasius niger sitkaensis Pergande, 1900. Wash. Acad. Sci., Proc. 2: 519. 5 . 



Taxonomy: Wheeler, 1917. Harvard Univ., Mus. Comp. Zool, Bui. 61: 18, 21. —Cole, 1942. 

 Amer. Midland Nat. 28: 374. — Francoeur and Beique, 1966. Canad. Ent. 98: 144 

 (Provancher types). 



Biology: Wheeler, 1915. Psyche 22: 206. —Wilson, 1955. Harvard Univ., Mus. Comp. Zool., 

 Bui. 113: 45-47. — Medler, 1958. Ent. Soc. Wash., Proc. 60: 258 (flights). —Wheeler and 

 Wheeler, 1963. Ants of N. Dak., pp. 185-188. —Gregg, 1963. Ants of Colo., pp. 461-465. 

 —Corbet and Ayre, 1968. Canad. Field-Nat. 82: 230-231 (swarming and mating). 

 — Kannowski, 1969. Canad. Field-Nat. 83: 283-285 (nuptial flights). —Corbet and Ayre, 

 1969. Canad. Field-Nat. 83: 285-286 (swarming and mating). — Akre and HiU, 1973. Kans. 

 Ent. Soc, Jour. 46: 526-536 (behavior of a myrmecophilous beetle). 



Morphology: Hung, 1969. Ent. Soc. Amer., Ann. 62: 456 (chromosome numbers). 

 sitiens Wilson. Colo., N. Mex., Ariz., Nev.; Mexico. Ecology: Found in the lower altitudinal 

 forest belts in mountains, 7000 to 8000 feet where it nests under stones in dry open 

 situations. 

 Lasius (Lasius) sitiens Wilson, 1955. Harvard Univ., Mus. Comp. Zool., Bui. 113: 108-111. 

 5, 9,6. 



Biology: Cole, 1966. Brigham Young Univ., Sci. Bui., Biol. Ser. 7: 20 (Nev. Test Site). 

 Genus LASIUS Subgenus CAUTOLASIUS Wilson 



Lasiiis subg. Cautolasius Wilson, 1955. Harvard Univ., Mus. Comp. Zool., Bui. 113: 13. 

 Type-species: Formica flava Fabricius. Orig. desig. 

 fallax Wilson. Mont., Wyo., Colo., Idaho, Utah, Ariz., Wash. Ecology: Colonies have been found 



under stones in forest clearings. 

 Lasius (Cautolasius) fallax Wilson, 1955. Harvard Univ., Mus. Comp. Zool., Bui. 1 13: 



130-133. 5, 9,6. 

 flavus (Fabricius). N. S., N. B., Que. s. to Ala. w. to Alta., Wash., Oreg., Calif.; Eurasia. 



Ecology: A subterranean ant which nests in various situations but most often under 



stones. Known to build mounds in parts of Eurasia. Workers may attend aphids on roots 



of grasses. 

 Formica flava Fabricius, 1781. Species Insectorum 1: 491. 5. 

 Lasius brevicomis Emery, 1893. Zool. Jahrb., Abt. f. System. 7: 637. 9, 9, S. 

 Lasius flavusmyops Forel, 1894. Soc. Vaud. des Sci. Nat., Bui. 30: 12. 9. 

 Lasius flavus myops var. Jlavoides Forel, 1894. Soc. Vaud. des Sci. Nat., Bui. 30: 12. 5. 

 Lasius flavus var. fuscoides Ruzsky, 1902. Schrift. Naturforsch. CJesell. Univ. Kasan 38: 



281. 

 La^us flavus var. odoratus Ruzsky, 1902. Schrift. Naturforsch. Gesell. Univ. Kasan 38: 



282-283. 5. 

 Lasius flavus var. flavo-myops Forel, 1915. Mitt. Schweiz. Ent. Gesell. 12: 52. 

 Lasius iFormicina) brevicomis microps Wheeler, 1917. Amer. Acad. Arts and Sci., Proc. 



52: 526. 5. 

 Lasius iFormicina) flavus claripennis Wheeler, 1917. Amer. Acad. Arts and Sci., Proc. 52: 



527. 5, 9, S. 

 Formicina flava var. morbosa Bondroit, 1918. Soc. Ent. de France, Ann. 87: 28-29. 9,9. 

 Lasius umbratus var. apennina Menozzi, 1924. Atti Soc. Nat. Mat. Modena 8: 15. 2 . 

 Lasius umbratus ibericus Santschi, 1925. Eos 1: 349-350. 5 . 

 Lasius umbratus ibericus var. sancho Santschi, 1925. Eos 1: 350. 5. 

 Lasius flavus var. olivacea Karawajew, 1926. Konowia 5: 194. 9 . 



