title: Seasonal changes in glycerol content and supercooling points of Megachile rotundata (F.) and M. relativa Cress.
mesh_terms: D000818:Animals; D001516:Bees / Q000378:metabolism*; D005615:Freezing; D005990:Glycerol / Q000032:analysis*; D007814:Larva / Q000378:metabolism; D012621:Seasons
chemical_list: D005990:Glycerol