The name “stink bug” refers to the scent glands located on the dorsal surface of the abdomen and the underside of the thorax.
BMSB becomes a nuisance pest both indoors and out when it is attracted to the outside of houses on warm fall days in search of protected, overwintering sites. BMSB occasionally reappears during warmer sunny periods throughout the winter,
and again as it emerges in the spring.
Adults will emerge sometime in the spring of the year (late April to mid-May), and mate and deposit eggs from May through August. The eggs hatch into small black and red nymphs that go through five molts. Adults begin to search for overwintering sites starting in September through the first half of October.
It feeds on a wide variety of host plants...fruits, ornamental plants, weeds, soybeans and beans for human consumption. Feeding on tree fruits such as apple results in a characteristic distortion referred to as “cat facing,” that renders the fruit unmarketable as a fresh product.
Stink bugs are not known to cause harm to humans, although alarming to homeowners when the bugs enter their homes and noisily fly about. The stink bug will NOTreproduce inside structures or cause damages. If many of them are squashed or pulled into a vacuum cleaner, their smell can be quite apparent.
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