Publications for:

pest = Opuntia (weeds)
country = U.S.A. (mid S)

found 2 publications:

2005

The use of brush management methods: A Texas landowner survey
Rangeland Ecology and Management (2005) 58 (3), 284-291
publishers website - pestinfo wiki

1988

Natural enemies of Dactylopius confusus (Homoptera: Dactylopiidae): Exclusion and subsequent impact on Opuntia (Cactaceae)
Environmental Entomology (1988) 17 (4), 730-738
pestinfo wiki