Some metropolitan areas contain metropolitan divisions. Two metropolitan divisions exist within the DallasâFort WorthâArlington MSA. The term metropolitan division is used to refer to a county or group of counties within a metropolitan area that has a population core of at least 2.5 million.
The bees carry the propolis back to their hives and mix it with their salivary secretions and wax flakes. Propolis contains 55% resins and balsams, 30% beeswax, 10% etheric oils, and 5% pollen.
bee that makes propolis-bee glue in action Photo Credit SumikoPhoto/iStock/Getty Images. Bee propolis, also referred to as bee glue, Russian penicillin and beeswax acid, is similar to resin that forms in the buds of cone-bearing trees. The substance is sticky and greenish-brown in color and has a faint aromatic smell.