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.
All bumble bees belong to the genus Bombus in the family Apidae. There are over 250 recognized species of bumble bees, each with its own scientific name; the scientific name o â¦ f the most common North American bumble bee is Bombus impatiens. 1 person found this useful.here are over 250 different species of bumble bees that can be found right across the world, each with its own scientific name.