However, this is only one type of nonprofit entity. A mutual-benefit nonprofit is a type of nonprofit corporation that works for the betterment of a select group of members, rather than for the benefit of the public. Nonprofits are typically structured as corporations.
The elm leaf beetle, Pyrrhalta luteola (Muller), is an important pest of elm trees in many parts of the United States. It can be a nuisance in homes in the fall when adult beetles start looking for a place to spend the winter.
Gall formation begins soon after the eggs are laid. Specifics of the biology of this insect are not known. The galls probably do not harm tree health. Elm cockscomb gall: these distinct galls, caused by an aphid, are about one inch long and about 1/4 inch high. The irregular edge of the gall and its red color at maturity account for the common name.