Heat dissipation and conservation
morphology, or structure, of both the outside and the inner organs of a
bee's body facilitates the heat dissipation and conservation where the bee
A bee needs to dissipate heat in two main situations: when blood is flowing to through the aorta in the thorax and when it is incubating its brood. For these reasons a bee has two unique features which aid heat dissipation in these situations.
The aorta makes a hairpin loop as it runs from the petiole to the flight muscles in the thorax. This structure gives the aorta a larger surface area through which heat can be exchanged. Heat moves from the warm blood into the flight muscle that needs to be warmed to at least 30 degrees C (Heinrich, 1976).
Dissipating heat in both the aorta of the thorax and in abdomen would be severely retarded without these morphological advantages that facilitate the passage of heat.
BUT, the quick passage of heat is not desirable in all processes that occur in bees. Sometimes a bee needs to retain heat. A bee's body has morphological characteristics that are designed to conserve heat where necessary -- mostly in the thorax. What are these characteristics?
An insulating layer of pile covers the entire thorax. This is an important feature because any heat that the thorax can retain results in less work required of the flight muscles to reach the 30 degrees C that is necessary for takeoff (Heinrich, 1976).