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.
Identify your bee: bumble bees, honey bees, ground bees, wasps, hornets, carpenter bees, or yellow jackets here! These photos and descriptions of different types of bees will help you accurately relay your stinging insect problem to The Bee Hunter so that he may better assist you when you call.