Secondary stress. A secondary stress is any stress in the structure which is not a primary stress or peak stress. Source: API SPEC 16R, Specification for Marine Drilling Riser Couplings, Exploration and Production Department, First Edition, January 1997. Global Standards.
Two groups of ground nesting bees commonly. found in Michigan are bumble bees and. burrower (andrenid) bees. Bumble bees are. easily recognized by their large, robust, hairy, black and yellow (sometimes orange) bodies. Bumble bees live in colonies of several. hundred individuals, but only the queens.
This is neither a bumble bee nor a honey bee. The pollen on the right rear leg is carried in a scopa, not a corbicula. The pollen remains soft, fluffy, and loose. In North America there is only one species of honey bee, while there are about 40 species of bumble bee.That means that the honey bees you see will be more uniform than the bumble bees. Honey bees have narrow stripes on their abdomen that vary in color from yellow and gold to tan, brown, gray, or black.his is neither a bumble bee nor a honey bee. The pollen on the right rear leg is carried in a scopa, not a corbicula. The pollen remains soft, fluffy, and loose. In North America there is only one species of honey bee, while there are about 40 species of bumble bee.