| [melissopalynology and trophic niche of apis cerana ceraca and apis mellifera ligustica in yunnan province of southwest china]. | in 2010 and 2011, the honey samples of apis cerana cerana and a. mellifera ligustica were collected from kunming and mengzi of yunnan province, respectively, aimed to analyze the melissopalynology and tropic niche of the two bee species. the absolute pollen concentration of the honey of a. cerana cerana was 1.55 x 10(4) ind x g(-1), being significantly higher than that (1.01 x 10(4) ind x g(-1)) of a. mellifera ligustica, and the number of nectar plant species collected by a. cerana cerana was 1 ... | 2013 | 23718011 |