W. L. Brown, Jr.
New Synonymy of an Australian Iridomyrmex (Hymenoptera: Formicidae).
Psyche 61:67, 1954.

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19541
Miehener and LaBerge - Bombus Nest
67
LITERATURE CITED
BRIAN, ANNE D.
1942. Division of labor and foraging in Bombw agrorum (Fabricius). Jour. Anim. Ecology, 21 :223-240.
IHERING, R. VON
1903.
Biologische Beobachtungen an brasilianischen Bombus-Nestern. Allgemeine Zeitsch. Ent., 8:447-453.
LEOPOLD, A. STARKER
1950, Vegetation zones of Mexico. Ecology, 31 :507-518. NEW SYNONYMY OF' AN AUSTRALIAN IRIDOMYRMEX (HY- MENOPTERA : FORMICIDAE) .-I?%~O??%$/T?~~X biconvexus san- tschi, 1928, Bull. Soc. Vaud Sci. Nat., 56: 471, worker (Type loc. : Ringwood, Victoria. Syntypes in Naturh. Mus., Basel; Mus. Comp. Zwl.) proves to be the senior synonym of Iridomyrrnex foetans Clark, 1929, Vict. Naturalist, Mel- bourne, 46: 122, pl. 1, figs, 4, 4a, worker (Type loc. : Cann River, Victoria. Syntypes in Nat. Mus. Vict., Melbourne; Mus. Comp. Zool.) as here noticed for the first time. I have compared syntypes directly, and they are obviously con- specific. The promesonotal suture is mobile, affecting the alitruncal profile. I have found this species abundant in the Dandenongs and Warburton Ranges, Victoria, in medi- um to wet sclerophyll forest, particularly in those parts dominated by Eucalyptus regnans, although its also occurs down to sea level near Melbourne. Clark also found it common on the Otway Peninsula. In wet E. regnum-tree- fern gullies of the Warburton Range, this is the dominant ant species up to at least 3,000 feet. In the snow gum-grass areas above this, it is replaced by a similar Iridomyrrnex identical with types of I. erneryi Crawley, but perhaps synonymous with some older species name. All ant names mentioned here are perhaps junior synonyms of older names obscurely attached. - W. L. BROWN, JR., Museum of C,omparative Zoology, Harvard University.



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