Publications for:

pest = Panonychus ulmi
crop = Pear (Pyrus)
country = U.S.A. (SW)

found 2 publications:

2016

Adoption of IPM practices in grape, tree fruit, and nut production in the western United States
Journal of Integrated Pest Management (2016) 7 (1 - 8)
publishers website - pestinfo wiki

1972

Integrated control of codling moth on pears in California: A practical consideration where moth activity is under surveillance
Environmental Entomology (1972) 1 (2), 213-218
pestinfo wiki