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Invader Detectives has been conceptualized as a national program to facilitate the detection of invasive species in urban environments. The majority of invasive species enter the country through the large commercial sea ports and airports located in our Nation’s cities. If we can rapidly detect and respond to potentially harmful non-native species at or near our borders, we can prevent them from spreading to natural areas and agricultural landscapes. Ultimately, this Contractor’s Report is intended to serve as the conceptual framework for developing and implementing Invader Detectives on a national scale through a chapter-based (regional) model. It is a living document and should not be regarded as final guidance. We welcome your input at invasive_species@ios.doi.gov.
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"How climate changes will impact invasive species could vary depending on the region, the species affected, and the particular impacts being felt, but most invasives do well in a changing climate. We are already seeing some influences of climate change in Pennsylvania."

See also: Addressing Climate Change on Public Lands

 The Coast Guard Office of Commercial Vessel Compliance was notified by the State of California on the detection and identification of golden mussel (Limnoperna Fortunie) in the Port of Stockton. To minimize the spread of the golden mussel it is recommended that operators continue to ensure that ballast water management systems are operational and used in accordance with the Operational Manual for that system.

See also: Aquatic Invasive Species for related information

Multiple federal, state and local agencies have been notified of an invasive algae species discovered in Newport Bay, California in March 2021. The algae, which is native to Florida and other subtropical and tropical locales, is scientifically known as Caulerpa prolifera. It can grow quickly, choking out native seaweeds and potentially harming marine life through lost habitat.

A similar species of invasive algae, Caulerpa taxifolia, was identified in California in 2000 and was successfully eradicated through a comprehensive joint local, state and federal effort in 2006. Due to the similarity between these two species, scientists believe this algae species may pose a serious threat to our local coastal ecosystems.

However, it is imperative that the public avoid contact with the plant due to its extreme ease of recolonizing from just tiny fragments. If you believe you have seen this invasive algae, please complete a sighting report. Please do not collect a specimen, as this may lead to further spread.

Provides access to general invasive species information for Maryland as well as report an invasive species using Maryland's Invasive Species Tracker.

See also: Aquatic Invasive Species and news posts tagged with "aquatic invasive species"

The Michigan departments of Natural Resources and Agriculture and Rural Development recently confirmed the presence of invasive beech leaf disease in a small, private woodlot in southern St. Clair County. Beech leaf disease, not previously known to be in Michigan, is associated with the microscopic worm Litylenchus crenatae, a nematode that enters and spends the winter in leaf buds, causing damage to leaf tissue on American, European and Asian beech species. Trees weakened by leaf damage become susceptible to other diseases and can die within six to 10 years after initial symptoms.

DNR and MDARD encourage monitoring for any signs of the disease. If you suspect you have found a symptomatic tree, take one or more photos of the infested tree, including close-ups of affected leaves; note the location, date and time; and report it in one of the following ways:

• DNR Forest Health Division: Email DNR-FRD-Forest-Health@Michigan.gov or call 517-284-5895.
• Use the Midwest Invasive Species Information Network (MISIN) online reporting tool.
• Download the MISIN smartphone app and report from your phone.

Black carp, which are an invasive fish species in North America, are now known to be established in the wild in parts of the Mississippi River basin. A new study co-authored by the U.S. Geological Survey (USGS) is the first to identify an established population—meaning they are naturally reproducing and living to adulthood— of wild black carp in any location across the U.S.

When a black carp is captured in the wild, it can be reported to the USGS Nonindigenous Aquatic Species database. That tool compiles information on and can be used to track the status of other aquatic invasive species as well. The USGS is involved in many invasive species projects across the U.S. and its territories. Learn more by visiting the USGS Invasive Species website or the USGS Invasive Carp section.

Recent sightings of a large, non-native land crab along the South Atlantic coast, including in coastal Georgia, are a cause for concern, according to the Georgia Department of Natural Resources’ Wildlife Resources Division (WRD). Blue land crabs are native from Brazil to south Florida and can be as large as 5-6 inches. Sightings recently have been reported well north of the crabs’ native range, including the coasts of Georgia, South Carolina and North Carolina. Multiple reports have been made to Georgia WRD offices.

The public is encouraged to take photos and report sightings of blue land crabs at GeorgiaWildlife.com/ANS. Questions about blue land crabs? Contact a local Georgia WRD office (details at GeorgiaWildlife.com/about/contact#fish).

The U.S. Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS) has confirmed the detection of box tree moth (BTM) (Cydalima perspectalis) at two residences in Clinton located in Lenawee County. Although not a threat to Michigan’s natural resources, extensive feeding from box tree moth can lead to significant defoliation and death of ornamental boxwood.  In May 2021, potentially infested boxwood plants were shipped to retail locations in several states including six in Michigan. The pest was then identified in three of the six Michigan facilities. It is not known whether the box tree moth populations detected in Clinton are linked or if the pest entered the state through another pathway.