Brown Marmorated Stink Bug
Halyomorpha halys
This record describes Halyomorpha halys (species). Recorded family: Pentatomidae. Recorded order: Hemiptera.
Identification and Appearance
A large bug (12 to 17 mm long). Similar to the Hairy Shieldbug but distinguished by having white spots at the top of the scutellum and two white bands on the antennae (Hairy Shieldbug has 3). It also has protruding 'shoulders' on the pronotum. Superficially similar to Hairy Shieldbug (Sloe Bug) Dolycoris baccarum but not hairy. In view of its rarity in our area, a good quality photo is required and the specimen should be retained in case it is required for reference. Various habitats where its host crops occur. Halyomorpha halys is a strong flyer which can move from host to host during the growing season covering long distances. As it is sometimes accidentally imported from countries as far afield as China and the USA it could theoretically occur in any month, but is probably most likely to be seen in the UK in late summer and autumn. Halyomorpha halys is a highly polyphagous pest attacking more than 100 plant species, primarily fruit trees and woody ornamentals but also field crops. There are few British records for Halyomorpha halys at present but it has the potential to become a pest species. https://planthealthportal.defra.gov.uk/assets/factsheets/Halyomorpha-halys-Defra-Pest-Factsheet-March-2021-FINAL.pdf
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Terms from the source record, grouped for readability. Broad terms such as size or location are not measurements or a confirmed range.
Wikipedia reference for Halyomorpha halys: https://en.wikipedia.org/wiki/Brown_marmorated_stink_bug.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
- Suborder
- Heteroptera
- Superfamily
- Pentatomoidea
- Family
- Pentatomidae (Stink Bugs)
- Subfamily
- Pentatominae
- Tribe
- Cappaeini
- Genus
- Halyomorpha
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Habitat
Various habitats where its host crops occur.
Seasonal Activity
covering long distances.
Diet and Behavior
Life History
Halyomorpha halys
Additional species information
Recorded status
There are few British records for Halyomorpha halys at present but it has the potential to become a pest species.
About True Bugs, Cicadas, Hoppers, Aphids and Allies: the wider group
Order-level background for Hemiptera, the group containing Halyomorpha halys. Species-specific details appear above.
Group overview
Hemiptera (true bugs) includes over 80,000 described species across cicadas, aphids, leafhoppers, shield bugs, and bed bugs. Aphids alone cost global agriculture an estimated $2.5 billion annually in crop losses.
Ecological role of the group
Many Hemiptera are essential food sources for birds and predatory insects. Cicadas provide massive nutrient pulses during emergence events - a single Brood X emergence can involve trillions of individuals across 15 states.
Economic and practical significance of the group
The brown marmorated stink bug (Halyomorpha halys) caused $37 million in apple crop losses in a single year in the U.S. Mid-Atlantic region. Bed bug infestations in the U.S. increased by 500% between 2001-2010, costing the hotel industry hundreds of millions annually.
Recorded sources for this group: USDA, EPA, University research. Imported estimates may describe particular regions or reporting periods.
Frequently Asked Questions About Brown Marmorated Stink Bug
What is Brown Marmorated Stink Bug?
Brown Marmorated Stink Bug (Halyomorpha halys) is a species in the family Pentatomidae, within the order Hemiptera.
How big is Brown Marmorated Stink Bug?
14mm to 16mm (0.55" to 0.62")
Where is Brown Marmorated Stink Bug found?
Habitat: Various habitats where its host crops occur.
When is Brown Marmorated Stink Bug active?
Brown Marmorated Stink Bug: seasonal activity - covering long distances..
What is the life cycle of a Brown Marmorated Stink Bug?
Halyomorpha halys