Halyomorpha halys

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Authors: Joseph LaForest, University of Georgia

1460048
Taxonomy
Kingdom: Animalia
Phylum: Arthropoda
Class: Hexapoda (including Insecta)
Order: Hemiptera
Family: Pentatomidae
Genus: Halyomorpha
Species: H. halys
Scientific Name
Halyomorpha halys
(Stal)
Common Names

brown marmorated stink bug, Yellow-Brown Stink Bug, BMSB

Contents

Overview

Origin
The Brown marmorated stinkbug, Halyomorpha halys, is native to Asia.
Life Cycle
Adults emerge from overwintering in April. Eggs are 0.06 in. (0.16 cm), pale green and laid from June to August. Most egg masses have about 25 eggs. The nymphal stages do not have developed wings. All instars have deep red eyes. Size ranges from 0.13-0.75 in. (0.32-1.9 cm) as the insect grows and molts. Nymphs are first red, turning almost black, and then finally becoming brown as adults. They are the typical "shield" shape of other stink bugs, almost as wide as they are long. Only one generation has been observed; however, there are likely to be multiple generations as it spreads south.
Distribution
It has been detected in 38 states including Washington, Oregon, Idaho, California, Arizona, New Mexico, Texas, Kansas, Nebraska, Minnesota, Iowa, Missouri, Illinois, Wisconsin, Michigan, Indiana, Ohio, Kentucky, Pennsylvania, New York, Vermont, New Hampshire, Maine, Massachusetts, Rhode Island, Connecticut, New Jersey, Delaware, Maryland, West Virginia, Virginia, Tennessee, North Carolina, South Carolina, Georgia, Alabama, Mississippi, and Florida and continues to spread. Hosts include maple, serviceberry, birch, butterflybush, pepper, pecan, catalpa, hackberry, redbud, citrus, dogwood, cucumber, fig, sunflower, honeysuckle, tomato, apple, plum, pear, rose, lilac, linden, viburnum and grape.
Control Efforts
Injuries caused by feeding produce small necrotic areas on the outer surface of fruits and leaves. Scarring is common on fruits such as apple and peach. On other plants may have roughly circular stippled areas about 0.13 in. (0.32 cm) inch wide. Adults begin overwintering at the end of September and become a nuisance as large numbers congregate and invade buildings in search of overwintering sites. The STOP brown marmorated stink bug website has been setup to provide current information on this pest.

Distribution

The Brown marmorated stinkbug is native to Asia. It has been detected in 38 states including Washington, Oregon, Idaho, California, Arizona, New Mexico, Texas, Kansas, Nebraska, Minnesota, Iowa, Missouri, Illinois, Wisconsin, Michigan, Indiana, Ohio, Kentucky, Pennsylvania, New York, Vermont, New Hampshire, Maine, Massachusetts, Rhode Island, Connecticut, New Jersey, Delaware, Maryland, West Virginia, Virginia, Tennessee, North Carolina, South Carolina, Georgia, Alamaba, Mississippi, and Florida.

Hosts

Hosts include maple, serviceberry, birch, butterflybush, pepper, pecan, catalpa, hackberry, redbud, citrus, dogwood, cucumber, fig, sunflower, honeysuckle, tomato, apple, plum, pear, rose, lilac, linden, viburnum and grape.

Description of Damage

Injuries caused by feeding produce small necrotic areas on the outer surface of fruits and leaves. Cat-facing is common on fruits such as apple and peach. On other plants may have roughly-circular stippled areas about 1/8 inch wide.

Identification Characteristics

Eggs are 1/16 of an inch, pale green and laid from June to August. Most egg masses have about 25 eggs. The nymphal stages do not have developed wings. All instars have deep red eyes. Size ranges from 1/8 to 3/4 of an inch as the insect grows and molts. Nymphs are first red, turning almost black, and then finally becoming brown as adults. They are the typical “shield” shape of other stink bugs, almost as wide as they are long.

Life History

Only one generation has been observed; however, there are likely to be multiple generations as it spreads south. Adults begin overwintering at the end of September and become a nuisance as large numbers congregate and invade buildings in search of overwintering sites. Adults emerge from overwintering in April.

Image Gallery


How you can help

The STOP brown marmorated stink bug website has all of the latest information and is the main rally point for all people looking to help in the battle against this invasive pest.

References

Presentation Materials

These materials may be used as long as the original author is given credit.

Brown Marmorated stink Bug

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