Species deemed as "Early Detection" are defined as being exotic, invasive   species which fit any of the following descriptions:

1. Newly established in Pennsylvania.  

 2. Thought to be in Pennsylvania but not well documented. 

3. Not found in Pennsylvania but expected to arrive and considered moderately invasive.

Early Detection Species

Species Profiles

 View photos and profiles for many of the species listed in this category.

Not present: Species not yet found in Pennsylvania.

Uncommon: Species found in Pennsylvania, but still very rare.

Found only in its PA native range: This species is native to parts of Pennsylvania; if found in other parts of the state, it may be suspected of being an invasive species.

*Status column last updated in April 2019.

The Pennsylvania iMapInvasives Program is a partnership of the Western Pennsylvania Conservancy, the Pennsylvania Natural Heritage Program, and NatureServe.

Funding for Pennsylvania iMapInvasives is provided by the Great Lakes Restoration Initiative.

NatureServe logo, iMapInvasives partner
Pennsylvania Natural Heritage Program, iMapInvasives partner
Great Lakes Restoration Initiative logo, iMapInvasives funding source