Western conifer seed bugs ( Leptoglossus occidentalis figure 7) expanded its range eastward. Both nymphs and adults will walk long distances and (like all stinkbugs) the adults can fly.įigure 7: Western conifer seed bug. It might become a tool for controlling this insect. Researchers discovered an odor that is attractive to the nymphs but not adults. Brown marmorated stinkbugs also move into small openings in cars, trucks, RV’s, and trailers. White vehicles seem especially attractive. The bugs are also attracted to crevices on RVs, trailers, cars, and trucks. The color of the buildings does not seem to affect attractiveness, but their location-near woodlands or other sources of bugs-does. Adults mass on the outside of buildings from about September 1st to 20th. Young adults are somewhat attracted to lights at night in late-August to mid-September. Although itt does not bite people, it may release a foul odor when handled. It is becoming a major pest of peaches, apples, corn, and some vegetables in states where it has been established for eight or more years. This new stinkbug will become a more serious household nuisance as it has time to expand in numbers and distribution. Unlike our native stinkbugs, this species has dark-and-light-banded antennae, and alternating dark and light markings along the rear edge of its body. Other species of stinkbugs live in New Hampshire, but they do not mass on buildings. in the Allenstown, Pennsylvania area in 1998. This species is native to China and Japan. The first specimens were confirmed in Summer 2010 in Portsmouth. The brown marmorated stinkbug ( Halyomorpha halys figure 3) is a new arrival in New Hampshire. The winged seeds (called samaras) grow in pairs and are similar to those of red maple and silver maple, close relatives.įigure 3: Brown marmorated stinkbug. Like all maples, the leaves are opposite on the stems. Trees look similar to other maples, but their leaves are dissected into three to seven leaflets. Figure 2 provides a picture of a boxelder maple leaf and seeds. In addition to the general controls suggested in the “control” section, there is another effective option for eliminating this insect: eliminating boxelder trees nearby. They also move into small openings in cars, trucks, RV’s, and trailers parked under boxelder trees in late summer or early fall. Adults are about ½” long and black with red markings.īoxelder bugs start massing on buildings in early September and continue in mild weather for much of the fall. Boxelder bugs rarely feed on other maple or ash trees. Boxelder maples are occasionally planted as ornamental trees and infrequently found near rivers. It is strongly associated with an uncommon tree: the boxelder maple (especially the female trees, which bear seeds). The boxelder bug ( Leptocoris trivittatus figure 1) is not common in New Hampshire.
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