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The formicine weaver ant Polyrhachis australis Mayr is one among many species of ants that have queens of two more or less distinct sizes, usually referred to as microgynes and macrogynes. The current consensus explains this phenomenon in terms of alternative strategies of dispersal and reproduction: microgynes typically walk to found new nests locally, macrogynes typically fly to found new nests...
The Australian spiny weaver ant Polyrhachis australis Mayr, 1870 is an arboreal formicine ant that constructs nests using silk and particulate matter (carton). Between September 2009 and December 2012, the contents of 181 P. australis nests were recorded. Of these, 14% were queenless, 21% were monogynous and 65% were polygynous. Monogynous nests had more than double the number of brood per queen,...
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