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Invasive Species Spotlight

Got Hemlocks?

December 14, 2021November 29, 2021 by Haley Gladitsch

By Abby Bezrutczyk, LIISMA Field Project and Outreach Coordinator — Have you seen any hemlock trees recently?  Although New York State has the most hemlock trees in the US, eastern … Read more

Categories Invasive Species Spotlight, News Tags hemlock woolly adelgid

Japanese Barberry & Burning Bush: Removal & Red Leaved Replacements

December 14, 2021October 28, 2021 by Haley Gladitsch

As peak fall foliage is setting in, we admire the tupelos and maples, the bright crimson and orange hues that signal the seasons are shifting. But it’s not only trees … Read more

Categories Invasive Species Spotlight Tags burning bush, invasive species spotlight, japanese barberry

Spotted Lanternfly in LIISMA

August 25, 2022September 30, 2021 by Haley Gladitsch

What to look for… During our most recent partners meeting, Thom Allgier from the NYS department of Agriculture and Markets gave us an update on spotted lanternfly (Lycorma delicatula) in … Read more

Categories Invasive Species Spotlight, News Tags lycorma delicatula, spotted lanternfly

Knotweeds (Reynoutria spp.)

December 20, 2021September 29, 2021 by Haley Gladitsch

By Abby Bezrutczyk, LIISMA Field Project & Outreach Coordinator Last Saturday, I had the opportunity to meet a dozen community-gardeners to talk about their local invasive species staples: multiflora rose, … Read more

Categories Invasive Species Spotlight, Portfolio Tags plants, terrestrial, tier 4

Gulf Coast Tick Spotted in Suffolk County

December 20, 2021August 27, 2021 by Haley Gladitsch

By Abby Bezrutczyk, Invasive Species Field Project and Outreach Coordinator It was the ideal humid and overcast conditions for ticks on the day that a Gulf Coast Tick (Amblyomma maculatum) … Read more

Categories Invasive Species Spotlight, News Tags gulf coast tick, Tick

Invasive Species Spotlight: Perennial Pepperweed Control at West Meadow Beach

December 20, 2021August 26, 2021 by Haley Gladitsch

By Luke Gervase, Project Ecologist at GEI Consultants, Inc In July 2021, GEI Consultants, Inc. (GEI) licensed pesticide applicators conducted a site visit at the Town of Brookhaven West Meadow … Read more

Categories Invasive Species Spotlight, News Tags plants, terrestrial, tier 2

Hydrilla (Hydrilla verticillata)

December 29, 2021August 17, 2021 by Haley Gladitsch

Family: Hydrocharitaceae Life Form: perennial, submerged, and rooted vascular plant. Tier: 4  History & Introduction  There are two kinds of Hydrilla verticillata found throughout the US: a dioecious strain (male … Read more

Categories Invasive Species Spotlight, Portfolio Tags Aquatic, plants, tier 3

Small Carpet Grass (Arthraxon hispidus)

March 27, 2025August 13, 2021 by Haley Gladitsch

Small carpet grass, arthraxon, jointhead grass, hairy jointgrass (Arthraxon hispidus)Family: PoaceaeLife Form: Annual grass Tier: 2 History & Introduction Arthraxon hispidus was first documented in the US in the 1870s and … Read more

Categories Invasive Species Spotlight, Portfolio Tags ISS, plants, terrestrial, tier 2

Perennial Pepperweed (Lepidium latifolium)

March 27, 2025August 11, 2021 by Haley Gladitsch

Family: Brassicaceae Life form: Forb History & Introduction  Native to West Asia through Southeastern Europe, perennial pepperweed (PPW) will grow nearly anywhere within its native range including fresh, brackish, and … Read more

Categories Invasive Species Spotlight, Portfolio Tags ISS, plants, terrestrial, tier 3

Jumping worms (Amynthas spp.)

November 10, 2023July 16, 2021 by Haley Gladitsch

Worms don’t like mustard. This became obvious as we watched worms emerge from a small plot of forested ground, irritated but not injured by the mustard-water solution.  In this field … Read more

Categories Invasive Species Spotlight, Portfolio Tags invertebrates, terrestrial, tier 4
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