I always tell folks that small or unhealthy colonies, those without a lot of brood, or those entering or just exiting diapause, will generally have different dietary preferences compared to large, healthy colonies with lots of brood.
As you mention, iXvXi, most issues with Sunburst receptivity probably have to do with redundancy caused by feeding other sugars, such as honey. For some reason, antkeepers have some strange notion that honey is a required or preferred sugar source because it is "natural." From a chemical standpoint, it is not necessary to feed other sugary foods when feeding Sunburst, because they provide roughly equivalent nutritive and chemical properties. The difference is that Sunburst has been optimized for receptivity, whereas honey is a concentrate intended for consumption by bees and their larvae.
You have a colony of Tetramorium with over 1,500 workers??
"A colony can sustain about 10,000 workers who weigh about 6.5g in the aggregate (Wilson 1971). (National Pest Management Association inc., 2001; Wilson, 1971)"
This website has accrued a lot of information on the species: http://animaldiversi...rium_caespitum/
Edited by drtrmiller, May 19 2017 - 3:13 AM.