SCHULZ: It's absolutely my pleasure. And, you know, I think at a certain point - this is going to sound nuts. It also becomes a nuisance pest of homes as it is attracted to the outside of houses on warm fall days in search of protected, overwintering sites and can enter houses in large numbers. All instars have deep red eyes. BROWN AAT T 2 BMSB adults overwinter in protected . Janet van Zoeren A4143 Light & dark. In Japan, the Brown Marmorated Stink Bug is a well-known nuisance pest for this reason, and the same situation is now common in Allentown, Pennsylvania in late September and early October. This nuisance behavior resulted in many complaints to the Lehigh County (Allentown) Cooperative Extension Service, and ultimately resulted in the identification of this new invasive pest. SHAPIRO: And one of the things that's so insidious is that it's really hard to kill it with pesticides because its long legs keep it off the surface of the produce. tomatoes, cucumbers, peppers), but also field crops such as corn and soya (Leskey and Nielsen 2018). In late August and early September, these stink bugs instinctively search crevices and cracks, looking for a protected location to overwinter. The brown marmorated stink bug, Halyomorpha halys, is an invasive pest that is present throughout much of the United States. Getty/PAUL J. RICHARDS/AFP The brown marmorated stink bug (BMSB) is an agricultural, horticultural, and social pest. The marmorated stink bug (Halyomorpha halys) (Heteroptera: Pentatomidae) (Figure 1) originates from East Asia and selects from over 200 wild or cultivated forage plants (Lee et al. It has natural predators that it co-evolved with. Beginning in 2011, UNH Cooperative Extension set BMSB traps on New Hampshire farms and orchards every year. Brown Marmorated Stink Bug ( Halyomorpha halys) is a native of Eastern Asia and was first detected in Pennsylvania in October 2001.The insects often are found in houses, where they produce an unpleasant smelling chemical. The Brown Marmorated Stink Bug wants to take shelter inside your home. I think everybody knows they're called stink bugs for a reason. They can beco… The brown marmorated stink bug (BMSB), Halyomorpha halys (Stål), is an invasive pentatomid introduced from Asia into the United States, Canada, multiple European countries, and Chile. One of the reasons why it is hard to control the invasion is the absence of predators in the insect's country of origin. They had only left the doors open a crack. Eventually, farmers might suffer serious damage to their crops. This text may not be in its final form and may be updated or revised in the future. Its abdominal edges and last two antennal segments have alternating broad light and dark bands.From May through August, adult females lay clusters of 20-30 light green or yellow, elliptical-shaped eggs on the undersides of leaves (figure 2). The Brown Marmorated Stink Bug has also become a nuisance to homeowners due to its use of structures as overwintering sites. In addition to the searching instinct, they also secrete an odor that attracts other BMSBs. The bug is likely to start showing up in imported cargo from the northern hemisphere. Here’s a new critter to add to that nuisance list: the brown marmorated stink bug (BMSB), Halyomorpha halys. Size ranges from 0.13-0.75 in. There are several other insects that invade New Hampshire buildings in the fall, including boxelder bug, which is black and red. FIGURE 1. We know of one New Hampshire neighborhood in Portsmouth that has experienced a taste of the nuisance already. Accuracy and availability may vary. locations, either inside houses, barns, or in dead standing trees. Brown marmorated stink bug is a serious horticultural pest in the United States and is also starting to spread through Canada and parts of Europe. And they were just on every surface that she could see. They can carry diseases. This nasty bug (Halyomorpha halys) is a hitchhiker, stowing away in all manner of imported goods and personal effects including suitcases.While it doesn’t pose a risk to human health, brown marmorated stink bug can breed up huge populations that become both a household nuisance as well as a major problem for our crop growers. Brown marmorated stink bugs pose no direct risk to humans as they do not sting or bite and are not known to transmit human pathogens; however, they are known to be a nuisance as they congregate in large numbers in man-made structures to overwinter and emit an unpleasant odour when disturbed (Wermelinger et al. In these nations it is considered a pest but is of far less significance than it is here in the US. Homeowners likely will notice an invasion before anyone else, … This invasive insect presents two types of problems: it can be a significant household nuisance, and a serious agricultural pest. In a populated area, BMSBs may crawl into recessed areas of vehicles, like weather stripping of doors, and inside fuel filler doors. BMSB can be distinguished from other species of stink bugs by the alternating dark and light bands on the last two segments of the antennae, and the alternating light and dark banding on the exposed upper edges of the abdomen. But when you live with a lot of them - and I have lived with a lot of them - it is hard not to acquire a kind of grudging affection for them. The bug is likely to start showing up in imported cargo from the northern hemisphere. I can say something in defense of all animals. Since its arrival in North America in the 1990s, the invasive brown marmorated stink bug (Halyomorpha halys) has spread to 44 states in the U.S., becoming an agricultural pest in at least 25 states and causing nuisance problems in seven more. Copyright © 2021 University of New Hampshire, TTY Users: 7-1-1 or 800-735-2964 (Relay NH), https://extension.unh.edu/programs/insect-identification-services. Agricultural pest:  This is a major agricultural pest in West Virginia and surrounding states, but has not yet built up to pest levels in New Hampshire agricultural crops. The first identification of the BMSB in North America was in Pennsylvania in 2001, but records of this insect go back to the mid-1990’s. Light & dark stripes on antennae. It's a serious economic loss to some growers" (Doyle np). They are harmless to humans and pets, but are on the verge of being an important pest in fruit and vegetable crops in Michigan. They cause damage by feeding and creating puncture marks on produce. 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