Items of Interest:

Chinese Mitten Crab Found in Connecticut Waters (Aug 3, 2012)
Connecticut Department of Energy & Environmental Protection.
A Chinese mitten crab was recently found in Connecticut waters. This is the first confirmed report of this highly invasive crab in Connecticut waters. In late June, the crab was collected from the Mianus Pond fishway on the Mianus River (Greenwich). Individuals finding a crab that they suspect to be a Chinese mitten crab should keep the crab on ice or freeze it (please do not release the crab), note the exact location it was found and report it to officials.

Emerald Ash Borer Found in Prospect and Naugatuck, Connecticut (Jul 20, 2012)
Connecticut Department of Energy & Environmental Protection.
The Emerald ash borer (Agrilus planipennis) found in Prospect, CT has been confirmed by federal regulatory officials. This is the first record of this pest in Connecticut, which is added to 15 other states where infestations have been detected.

2011 Invasive Plants Council Annual Report (Dec 31, 2011; 2.2 MB) and Cover Letter (Dec 13, 2011; PDF | 29 KB)
University of Connecticut. Connecticut Invasive Plant Working Group.

Invasive Aquatic Plant Workshops
Connecticut Agricultural Experiment Station. Invasive Plant Program.
Workshops are offered to teach people how to identify invasive aquatic plants that occur in Connecticut lakes.

State Specific Threats:

Nonindigenous Aquatic Species List - Connecticut or Display NAS by Taxonomic Group (select State)
DOI. USGS. Southeast Ecological Science Center.
Includes fact sheets, maps and collection information.

State Noxious Weed List - Connecticut
USDA. NRCS. National Plant Data Center. PLANTS Database.
Designated legally noxious plants.

Status of Invasive Plants - Connecticut / Details by State and Details by County
University of Georgia. Center for Invasive Species and Ecosystem Health. Early Detection & Distribution Mapping System.

Pest Tracker - Connecticut
USDA. APHIS. Cooperative Agricultural Pest Survey. National Agricultural Pest Information System.

Forest Threat Summary Viewer - Connecticut
USDA. FS. Eastern Forest Environmental Threat Assessment Center.
See what threats (invasive plants, insects and diseases) are in my state.

States Restricting Firewood Movement and/or Advocating Leaving Firewood at Home: Who is Affected?
The Nature Conservancy. Don't Move Firewood.