New England Resources for Plant Pest ID

Massachusetts
UMass Extension Agriculture and Landscape Program
http://www.umass.edu/agland/

UMass Extension: Plant Disease Diagnosis and Insect ID
(Please note that these services are for professional use only, and are not directly available to the homeowner.)
http://www.umass.edu/agland/services/plant_diagnosis.html

Massachusetts Department of Agricultural Resources Pest Alert Page
(covers all animal and plant pests that impact the state, including native species)
http://www.mass.gov/agr/pesticides/pestfacts/pestalerts.htm

Connecticut
University of Connecticut Cooperative Extension: Integrated Pest Management
http://www.hort.uconn.edu/ipm/

University of Connecticut Cooperative Extension: Forestry
http://www.canr.uconn.edu/ces/forest/

Maine
University of Maine Cooperative Extension
http://www.umext.maine.edu/

University of Maine Cooperative Extension Insect and Plant Disease Diagnostic Lab
http://pmo.umext.maine.edu/ipddl/ipddl.htm

New Hampshire
University of New Hampshire Cooperative Extension Problem Diagnosis
http://extension.unh.edu/

Rhode Island
University of Rhode Island Landscape Horticulture Program
Green Share Fact Sheet Index
http://www.uri.edu/ce/factsheets/index.htm

University of Rhode Island Plant Protection Clinic
http://www.uri.edu/ce/ceec/plantclinic.html

Vermont
University of Vermont Extension Plant Diagnosis Clinic
http://pss.uvm.edu/pd/pdc/

Regional
Pest Resources Online for New England
http://pronewengland.org/

New England Greenhouse Update
http://www.negreenhouseupdate.info