Pointe stink bugs

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  • Stink BugsInvasion What are they? Where are they from? What do they do? Biology and Habits CONTROL STINK BUGS!

  • Identifying the Brown Marmorated Stink BugImage courtesy of David J. Shetlar, The Ohio State UniversityLook for these unique identifying features

  • Ventral side: (abdominal) Adults - 5/8 (14 -17mm) Light colored May have black or gray markings Legs: brown with faint white bands

  • Life Cycle:Photos from Rutgers UniversityApril: matingFemales lay clusters ~28 eggs June -Sept. (up to 400 eggs in females lifetime).Nymphs undergo 5 instars, 1 week/instar. Various stages seen at one time in summer.1-2 generation in PA, up to 5 in S. China!Fall temperatures chase adults indoors.

    EggsInstar IInstar IV Instar V

  • More photos of life cycle:

    Newly hatched nymphs stay clustered near eggsInstar I (top right)

    Instar II Tick-like(bottom photos)

    Karen Bernhard, Penn State UniversityBoth Right: Gary Bernon, USDA-APHIS Deepak Matadha, Rutgers University

  • Population EXPLOSION:Entered the U.S. in Allentown, PA area in early 1990s from Japan or ChinaToday infesting over half of Pennsylvania

  • Population EXPLOSION:2001 5 more counties in E. PA & 2 counties in NJ2003 MD, SC & MN2004 WV, VA & OR2005 DE & CA2007 OH

  • Challenges WE ALL face:Changing HabitsNo natural predators in U.S.Very rapidly expanding rangeSpreading faster than most diseasesChanging food preferences

    Major economic impact

  • Plant Damage in U.S. so farFruitsAsian Pear, Peach, Apple, Raspberry, Grape, ApricotDamage appearing in orchards and backyard gardens

    Deepak Matadha, Rutgers University

  • VeggiesString beans, onionsThe list is growing as their numbers grow

    Deepak Matadha, Rutgers UniversityPlant Damage in U.S. so far

  • OrnamentalsBuddleiaHoneysucklePaulownia

    Shade treesNorway MapleCatalpaCrabapple

    Plant Damage in U.S. so far

  • Challenges: No Natural PredatorsGet in through tiny cracksSafest place to overwinter is in YOUR HOME!Reproduce TWO generations per summer

    Infest in large numbers

  • Nothing funny about stink bugs:Once STINK BUGS are in your home, you have three choices:

    Live with themKill them yourselfPut together a control plan

  • You can put up barriers screenscaulkingscreen house vents & eaves

  • You can reduce and eliminate attractants

    Tomato plants and fruit-bearing ornamentalsTrim foliage back from house Remove veggie garden EARLY

  • Installing light traps can help keep stink bugs away from your family living area

  • Treating cracks and crevices can help on the inside and outside of your home

  • Carefully timed exterior treatment

    Late Summer!!!!

  • What you can expect:Reduction of stink bugs entering your homeReduction of stink bugs OVERWINTERING in your home (attic, chimney, walls, basement, insulation)Reduction of stink bugs annoying you in your living area Reduction of stink bugs leaving your home next spring


  • Questions?