
University of California
Urban and Community Integrated Pest Management
Posts Tagged: boxelder
Boxelder Bugs
![Boxelder bug adult and nymphs. [J.K.Clark] Boxelder bug adult and nymphs. [J.K.Clark]](http://ucanr.edu/blogs/UCIPMurbanpests//blogfiles/42761small.jpg)
If you are seeing black and red bugs scurrying about near trees and buildings, they may be boxelder bugs. Boxelder bugs (Boisea rubrolineata) feed on the flowers, leaves and seedpods of female boxelder trees (Acer negundo) and occasionally are found on...
Boxelder bugs can be nuisance pests

The western boxelder bug (Boisea rubrolineata) usually feed on the leaves, flowers, and seedpods of the female or seedbearingbox elder tree and occasionally occur on mapleand ash trees. They sometimes feed on certain stone fruits and on grapes, where...