False Chinch Bug

Scientific Name: Nysius raphanus

Order & Family: Hemiptera: Lygaeidae

Size: 3 to 4 mm in length

False Chinch Bug

Natural Habitat

Found in agricultural fields, grasslands, and gardens; common during dry periods when they migrate in search of moisture.

Diet & Feeding

Generalist herbivore that feeds on plant juices, specifically favoring mustard family plants (Brassicaceae) and various weeds.

Behavior Patterns

They exhibit large population explosions and mass migrations when their host plants dry out; they are primarily active during the day.

Risks & Benefits

Generally considered a minor agricultural pest that can damage crops in large numbers; they pose no physical risk to humans but can be a nuisance in residential areas.

Identified on: 6/8/2026