Bug FAQEuschistus ictericus
Euschistus ictericus · Order: Hemiptera · Family: Pentatomidae
Euschistus ictericus is a North-American shield bug that reaches about 10.5 to 12 mm in length. It lives in damp places and feeds on a variety of wet-land plants such as willows, cattails and several garden crops. In Canada it is found only in Ontario and Quebec, while in the United States its range extends from the Gulf states up to Utah, but not coast-to-coast.
Source: Wikipedia
Size
Adults grow to about 10.5 to 12 mm (0.4 to 0.5 in) long.
Source: Wikipedia
Is it a pest in the house?
It is not considered a commercially important pest.
Source: Wikipedia
Where it lives
It prefers damp environments.
Source: Wikipedia
What it eats
It feeds on many moist-land plants, including willows, cattails, iris, water lilies, and several garden crops such as soybeans and beans.
Source: Wikipedia
Where it comes from
It is native to North America. In Canada it occurs only in Ontario and Quebec.
Source: Wikipedia
Where it is found in the US
Recorded in 25 of 51 states and DC. Most records: Texas, Illinois, Florida, Louisiana, Wisconsin, Maryland, Minnesota, Pennsylvania.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in Canada. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
How big does Euschistus ictericus get?
Adults are about 10.5 to 12 mm (0.4 to 0.5 in) long.
Source: Wikipedia
Where is Euschistus ictericus found?
It lives in damp habitats across North America, in Ontario and Quebec in Canada, and from Texas and Louisiana up to Utah in the United States.
Source: Wikipedia
What does Euschistus ictericus eat?
It feeds on a range of wet-land plants such as willows, cattails, iris, water lilies, and garden crops like soybeans and beans.
Source: Wikipedia
Is Euschistus ictericus a pest in homes or gardens?
It is not considered a commercially important pest.
Source: Wikipedia
Same family (Pentatomidae)
Brown Marmorated Stink BugHalyomorpha halysDamages trees, gardens or crops
Green Stink BugChinavia hilarisDamages trees, gardens or crops
Harlequin BugMurgantia histrionicaDamages trees, gardens or crops
Brown Stink BugEuschistus servusDamages trees, gardens or crops
Green Shield BugPalomena prasina
European Striped Shield BugGraphosoma italicumSources
- Wikipedia: https://en.wikipedia.org/wiki/Euschistus_ictericus
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-26 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-26.