The Delaware Invasive Species Council knows it is always important to be on the lookout for invasive species, but during National Species Awareness Week, we like to highlight some species that are of major concern in Delaware and surrounding states. Check in daily to learn about a different invasive species we are concerned about.


  • NISAW 2025: Northern Snakehead
    Welcome to National Invasive Species Awareness Week 2025! Each day, the Delaware Invasive Species Council will focus on a different invasive species found in or near Delaware. Today we are looking at beech leaf disease. To learn more about NISAW visit the main website. Download PDF
  • NISAW 2025: Mile-A-Minute
    Welcome to National Invasive Species Awareness Week 2025! Each day, the Delaware Invasive Species Council will focus on a different invasive species found in or near Delaware. Today we are looking at beech leaf disease. To learn more about NISAW visit the main website. Download PDF
  • NISAW 2025: Beech Leaf Disease
    Welcome to National Invasive Species Awareness Week 2025! Each day, the Delaware Invasive Species Council will focus on a different invasive species found in or near Delaware. Today we are looking at beech leaf disease. To learn more about NISAW visit the main website. Download the PDF
  • NISAW 2025: Bamboo
    Welcome to National Invasive Species Awareness Week 2025! Each day, the Delaware Invasive Species Council will focus on a different invasive species found in or near Delaware. Today we are looking at Bamboo. To learn more about NISAW visit the main website. Download the PDF
  • NISAW 2025: Asian Bittersweet
    Welcome to National Invasive Species Awareness Week 2025! Each day, the Delaware Invasive Species Council will focus on a different invasive species found in or near Delaware. Today we are looking at Asian bittersweet. To learn more about NISAW visit the main website. Download the PDF