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Category: Invasive Species Awareness

Fowl Ticks

Fowl Ticks

The fowl or poultry tick (Argas persicus) was newly detected in Delaware at a location in Kent County. This species, which is native to Asia but widely distributed around the world, is considered a major pest of poultry and linked to numerous avian health issues. This marks the first record of a soft tick (family Argasidae) in the state, with all other documented species being hard ticks (family Ixodidae). Poultry keepers are advised to monitor for tick infestations and report…

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Zebra Mussels found on moss balls sold as aquarium plants

Zebra Mussels found on moss balls sold as aquarium plants

March 4, 2021: Zebra Mussels have been found attached to and inside of Betta Buddy Marimo Balls (moss balls) that are being sold in aquarium and pet shops. They were first reported in the state of Washington, but these moss balls are distributed across the U.S. and are being found in other states. They have not been found in Delaware yet, but it is important to keep an eye out. If you find Zebra Mussels in moss balls, please document…

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NISAW 2020: Mute Swan

NISAW 2020: Mute Swan

Today is the conclusion of Part I of National Invasive Species Awareness Week 2020. DISC’s last Invasive Species of the Day is the Mute Swan, a charismatic bird that many people don’t realize is an invasive species. Check out the fact sheet below, and be sure to share to help increase awareness! Part II of NISAW is May 16-23 , 2020.

NISAW 2020: Linden Viburnum

NISAW 2020: Linden Viburnum

National Invasive Species Awareness Week continues! Today’s Invasive Species of the Day is Linden Viburnum, a newer, more localized invader, which is becoming problematic in Delaware’s Piedmont region. Be sure to share the PDF below to help spread awareness!

NISAW 2020: Hydrilla

NISAW 2020: Hydrilla

National Invasive Species Awareness Week continues! Today’s Invasive Species of the Day is Hyrdrilla, which is considered the world’s worst aquatic invasive species. Please share this fact sheet to increase awareness!

NISAW 2020: Japanese Honeysuckle

NISAW 2020: Japanese Honeysuckle

National Invasive Species Awareness Week 2020 continues! Today’s Invasive Species of the Day is Japanese Honeysuckle, a familiar face that many people may not know is highly invasive. Please share the fact sheet below to increase awareness, and check back tomorrow for our next species!

NISAW 2020: Red Swamp Crayfish

NISAW 2020: Red Swamp Crayfish

Today kicks off Part I of National Invasive Species Week 2020, and to celebrate, we will be posting an “Invasive Species of the Day” every day for the entire week. Today’s Invasive Species of the Day is the Red Swamp Crayfish. Check out the fact sheet below for all the details of this species, which is present in all three counties in Delaware. Be sure to share our fact sheets to help spread awareness!

NISAW 2019: Porcelainberry

NISAW 2019: Porcelainberry

National Invasive Species Awareness Week 2019 is wrapping up. Our last invasive species of the day is Porcelainberry. Click the image below for a full .pdf factsheet!

NISAW 2019: Ranavirus

NISAW 2019: Ranavirus

National Invasive Species Awareness Week continues! Today’s invasive species of the day is Ranavirus. Click the image below for a full .pdf factsheet!