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Brown Marmorated Stink Bug - (Halyomorpha halys)

Authored By Staff Writer | Last Updated: 8/13/2014

The pesky, exotic Brown Marmorated Stink Bug proves that not all dimples are cute and desirable.

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Picture of Brown Marmorated Stink Bug
Pic of the Brown Marmorated Stink Bug
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The Brown Marmorated Stink Bug is a pest to a large variety of fruit-bearing trees and plants. Accidentally imported from Asia, the Brown Marmorated Stink Bug made its way to North America's east coast and has been establishing populations there and beyond ever since.

They are known to damage fruit in appearance (not flavor or by adding toxins), rendering the fruit less likely to see at market. The Brown Marmorated Stink Bug uses its proboscis to poke a hole through the skin of a piece of fruit (still growing on the tree) and it sucks out the fruit's juices. The depletion of juice and penetration to the skin of the fruit results in creating a dimple, which continues to deform the fruit as it grows to a picking age. A series of these bites can cause the fruit to look quite deformed and renders it useless to try and sell.

Their color makes them effective camouflaged insects. Both the nymphs and adults feed off of the leaves or on orchard tree's fruit. The nymph looks very unlike the adult. It is shaped more like a ladybug and is red and black with distinctive black bands running down its back.

Members of the Stink Bug family are capable of emitting a foul-smelling odor that the insect produces when threatened, disturbed, or touched. This smelly chemical is produced by specialized stink glands in both the male and female. The Brown Marmorated Stink Bug may find its way into buildings or homes in the winter, seeking warmer temperatures that allow it to hibernate, not freeze. They can and do emit their odorous secretions inside, making them a nuisance indoors as well as outdoors.

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Category: True Bug
Common name: Brown Marmorated Stink Bug
Scientific Name: Halyomorpha halys

Taxonomy:
  Kingdom: Animalia
   Phylum: Arthropoda
    Class: Insecta
     Order: Hemiptera
      Family: Pentatomidae
       Genus: Halyomorpha
        Species: halys

Adult Size (Length): 14mm to 16mm (0.55in to 0.63in) COMPARE

Identifying Colors: brown; gray; yellow; red; black

General Description: speckled, smelly, harmful


North American Reach (Though Not Limited To*): Alabama; Alaska; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Hawaii; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming; Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Nova Scotia; Ontario; Prince Edward Island; Quebec; Saskatchewan


* Keep in mind that insect reach is not governed by lines on a map and therefore may appear in areas/regions/states beyond those listed above.


NOTE: Material presented throughout this website is for entertainment value and should not to be construed as usable for scientific research or medical advice (insect bites, etc...). Please consult licensed, degreed professionals for such information. Email corrections / Comments to InsectIdentification at Gmail dot com.
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