Adult elm seed bug
Arocatus melanocephalus - Elm seed bug
Identification: Tiny red and black body, found in large numbers indoors during midsummer.
Notes: First detected in Oregon in 2012, and are known from southern and eastern Oregon and the Portland area.
Pest Status: Nuisance pest. Adults and nymphs feed on elm seeds and do not cause plant damage. Home infestations can be large in midsummer
Management: Pesticide applications are not recommended. Exclusion via sealing of entry points (windows, doors and vents) is currently the best recommendation.
Notes: First detected in Oregon in 2012, and are known from southern and eastern Oregon and the Portland area.
Pest Status: Nuisance pest. Adults and nymphs feed on elm seeds and do not cause plant damage. Home infestations can be large in midsummer
Management: Pesticide applications are not recommended. Exclusion via sealing of entry points (windows, doors and vents) is currently the best recommendation.