Invasive Species Ctr (@invsp) 's Twitter Profile
Invasive Species Ctr

@invsp

Prevent/reduce the spread of invasive species by connecting with stakeholders to catalyze invasive species management and communicate policy & science knowledge

ID: 888851240

linkhttp://www.invasivespeciescentre.ca calendar_today18-10-2012 13:37:48

6,6K Tweet

4,4K Followers

844 Following

Invasive Species Ctr (@invsp) 's Twitter Profile Photo

3 WEEKS TO GO! 🛠️ Workshop: Protect the Greenbelt from Spotted Lanternfly 🪲🌿 Learn how this invasive insect threatens Ontario’s Greenbelt + how you can help. 🗓️ Aug 6 | 9:30–11 AM | Hamilton, ON 🔗 Register: bit.ly/4k9I2ao

3 WEEKS TO GO! 🛠️ Workshop: Protect the Greenbelt from Spotted Lanternfly 🪲🌿

Learn how this invasive insect threatens Ontario’s Greenbelt + how you can help.

🗓️ Aug 6 | 9:30–11 AM | Hamilton, ON

🔗 Register: bit.ly/4k9I2ao
Invasive Species Ctr (@invsp) 's Twitter Profile Photo

🌿 Help Stop the Spread: Dispose of Garden Waste Safely 🗑️ 🚫 Don’t dump garden waste in natural areas ♻️ Don’t compost invasives — seeds survive! 🛍️ Bag & trash invasive seeds/plants properly Learn more: bit.ly/4k9I2ao

🌿 Help Stop the Spread: Dispose of Garden Waste Safely 🗑️

🚫 Don’t dump garden waste in natural areas
♻️ Don’t compost invasives — seeds survive!
🛍️ Bag & trash invasive seeds/plants properly

Learn more: bit.ly/4k9I2ao
Invasive Species Ctr (@invsp) 's Twitter Profile Photo

🚫🪱 Earthworms are an invasive species in North America that consume the topmost layers of forest soil – destroying leaf litter, changing the physical and chemical properties of the soil & increasing plant mortality. See more ways to prevent the spread: bit.ly/3Ehk7nq

🚫🪱 Earthworms are an invasive species in North America that consume the topmost layers of forest soil – destroying leaf litter, changing the physical and chemical properties of the soil & increasing plant mortality.

See more ways to prevent the spread: bit.ly/3Ehk7nq
Invasive Species Ctr (@invsp) 's Twitter Profile Photo

Tree of heaven (Ailanthus altissima) spreads fast + supports spotted lanternfly. 📍 Spot it? Report to EDDMapS.org 🪵 Grey bark like cantaloupe skin 🍃 Large leaves with glandular teeth 👃 Strong, unpleasant smell Learn more: bit.ly/3xpLtHi

Tree of heaven (Ailanthus altissima) spreads fast + supports spotted lanternfly.
📍 Spot it? Report to EDDMapS.org
🪵 Grey bark like cantaloupe skin
🍃 Large leaves with glandular teeth
👃 Strong, unpleasant smell
Learn more: bit.ly/3xpLtHi
Invasive Species Ctr (@invsp) 's Twitter Profile Photo

🌊 Paddle with a Purpose! Help monitor invasive European Water Chestnut & learn about other aquatic invaders. 📅 Sat, July 26 | 9–11:30 AM 📍 EC Brown Conservation Area 🛶 BYO Boat Register: bit.ly/4m0SOBi

🌊 Paddle with a Purpose!
Help monitor invasive European Water Chestnut & learn about other aquatic invaders.

📅 Sat, July 26 | 9–11:30 AM
📍 EC Brown Conservation Area
🛶 BYO Boat

Register: bit.ly/4m0SOBi
Invasive Species Ctr (@invsp) 's Twitter Profile Photo

The ISC is hiring for a 1-year positions based in Sault Ste. Marie - Communications Intern  Key responsibilities include creating communications materials which improve public understanding of biodiversity & invasive species in Canada 🔗bit.ly/3mkm4Ub

The ISC is hiring for a 1-year positions based in Sault Ste. Marie - Communications Intern 

Key responsibilities include creating communications materials which improve public understanding of biodiversity & invasive species in Canada 🔗bit.ly/3mkm4Ub
Invasive Species Ctr (@invsp) 's Twitter Profile Photo

WEBINAR TOMORROW! Great Lakes Sea Lampreys: From Crisis to Control With Ross Shaw, Great Lakes Fishery Commission 🗓️ 11:00 AM ET Register: bit.ly/4nF704x

WEBINAR TOMORROW! 
Great Lakes Sea Lampreys: From Crisis to Control
With Ross Shaw, Great Lakes Fishery Commission

🗓️ 11:00 AM ET
Register: bit.ly/4nF704x
Invasive Species Ctr (@invsp) 's Twitter Profile Photo

🛠️ Free Workshop: Protect Ontario’s Greenbelt from the Spotted Lanternfly! 📅 Aug 6 | ⏰ 9:30–11AM 📍 The Gasworks, Hamilton 📚 Learn how it spreads, its impact, & how to help ☕ Refreshments included 🔗 Register: bit.ly/4k9I2ao

🛠️ Free Workshop: Protect Ontario’s Greenbelt from the Spotted Lanternfly!
📅 Aug 6 | ⏰ 9:30–11AM
📍 The Gasworks, Hamilton
📚 Learn how it spreads, its impact, & how to help
☕ Refreshments included
🔗 Register: bit.ly/4k9I2ao
Invasive Species Ctr (@invsp) 's Twitter Profile Photo

Tree of Heaven is a fast growing invasive tree that supports the spotted lanternfly. It is often confused with native trees, such as black walnut, staghorn sumac, and ash. Report sightings to EDDMapS.org. More: bit.ly/3xpLtHi

Tree of Heaven is a fast growing invasive tree that supports the spotted lanternfly. It is often confused with native trees, such as black walnut, staghorn sumac, and ash. Report sightings to EDDMapS.org. 
More: bit.ly/3xpLtHi
Invasive Species Ctr (@invsp) 's Twitter Profile Photo

Applications are open for ICAIS 2026 Oyster Program bursaries! These bursaries provide financial support to attend the conference, offering recipients a chance to advance their careers in AIS through networking & collaboration. Apply before Sept 26. bit.ly/4kEniHV

Applications are open for ICAIS 2026 Oyster Program bursaries! These bursaries provide financial support to attend the conference, offering recipients a chance to advance their careers in AIS through networking & collaboration. Apply before Sept 26. bit.ly/4kEniHV
Invasive Species Ctr (@invsp) 's Twitter Profile Photo

Happy Moth Week! Celebrate by joining a global community science effort to track moths in your area. Did you know public sightings help track invasive species like spongy moths and box tree moths? 📸 Spot one? Report it: EDDMapS.org 🔍More: bit.ly/3ajva1k

Happy Moth Week!
Celebrate by joining a global community science effort to track moths in your area.
Did you know public sightings help track invasive species like spongy moths and box tree moths?
📸 Spot one? Report it: EDDMapS.org
🔍More: bit.ly/3ajva1k
Invasive Species Ctr (@invsp) 's Twitter Profile Photo

🌊 Paddle with a Purpose! 📅 Tomorrow at 9-11:30 am 📍 EC Brown Conservation Area Boat Launch 🛶 Bring Your Own Boat Join us tomorrow on the Welland River to support the European Water Chestnut Rapid Response Team in monitoring for invasive species. bit.ly/4m0SOBi

🌊 Paddle with a Purpose! 
📅 Tomorrow at  9-11:30 am
📍 EC Brown Conservation Area Boat Launch
 🛶 Bring Your Own Boat

Join us tomorrow on the Welland River to support the European Water Chestnut Rapid Response Team in monitoring for invasive species.  bit.ly/4m0SOBi
Invasive Species Ctr (@invsp) 's Twitter Profile Photo

🌳 Oak Tree Alert: Avoid pruning oaks April–Nov to prevent oak wilt. ✂️ If pruning is absolutely necessary, seal cuts right away with paint or shellac. 🌪️ Storm damage? Seal wounds ASAP. 🌳Help keep oak trees healthy! Learn more here: 🔗 bit.ly/2ZGOYFn

🌳 Oak Tree Alert: Avoid pruning oaks April–Nov to prevent oak wilt.
✂️ If pruning is absolutely necessary, seal cuts right away with paint or shellac.
🌪️ Storm damage? Seal wounds ASAP.
🌳Help keep oak trees healthy! Learn more here: 
🔗 bit.ly/2ZGOYFn
Invasive Species Ctr (@invsp) 's Twitter Profile Photo

🦋 It’s #MothWeek! Join this global event by sharing moth sightings and helping track invasive species like spongy moths & box tree moths. 📸 Spot an invasive species? Snap a pic & report it to EDDMapS.org 🔗 For more info, click here: bit.ly/3ajva1k

🦋 It’s #MothWeek! Join this global event by sharing moth sightings and helping track invasive species like spongy moths & box tree moths.

📸 Spot an invasive species? Snap a pic & report it to EDDMapS.org
🔗 For more info, click here: bit.ly/3ajva1k
Invasive Species Ctr (@invsp) 's Twitter Profile Photo

🚫🌿 Invasive Plant Alert: Japanese Knotweed Don’t be fooled—this bamboo look-alike is a highly aggressive invasive! It spreads fast, damages ecosystems & infrastructure. 🟢 Hollow stems 🌼 Small white flowers 🍃 Zigzag leaves 🔗 Learn more: bit.ly/45gZ3f2

🚫🌿 Invasive Plant Alert: Japanese Knotweed
Don’t be fooled—this bamboo look-alike is a highly aggressive invasive! It spreads fast, damages ecosystems & infrastructure.
🟢 Hollow stems
🌼 Small white flowers
🍃 Zigzag leaves
🔗 Learn more: bit.ly/45gZ3f2
Invasive Species Ctr (@invsp) 's Twitter Profile Photo

🛠️ Free Workshop: Protect the Greenbelt from Spotted Lanternfly 📅 Aug 6 | ⏰ 9:30–11AM 📍 The Gasworks, Hamilton Learn how to spot, stop & report this invasive pest. ☕ Refreshments included Supported by the Greenbelt Foundation 🔗 Register: bit.ly/4k9I2ao

🛠️ Free Workshop: Protect the Greenbelt from Spotted Lanternfly
📅 Aug 6 | ⏰ 9:30–11AM
📍 The Gasworks, Hamilton
Learn how to spot, stop & report this invasive pest.
☕ Refreshments included
Supported by the Greenbelt Foundation
🔗 Register: bit.ly/4k9I2ao
Invasive Species Ctr (@invsp) 's Twitter Profile Photo

The 2025 Beech Leaf Disease Monitoring Network Reporting Campaign is open! Submit a report of Beech Leaf Disease in Ontario between up until July 31, 2025, and you’ll be entered to win a Community Science Monitoring Prize Pack. 📍 Learn more and enter: bit.ly/3E4MCYA

Invasive Species Ctr (@invsp) 's Twitter Profile Photo

🌊 Headed to the lake this long weekend? Don’t forget to Clean, Drain, Dry your boat and gear before hitting the road! 🔗bit.ly/44poxWA

🌊 Headed to the lake this long weekend? Don’t forget to Clean, Drain, Dry your boat and gear before hitting the road!

🔗bit.ly/44poxWA
Invasive Species Ctr (@invsp) 's Twitter Profile Photo

Don’t give Phragmites a free ride this summer! Its seeds stick to boats, boots, bikes, and more. If gear isn’t cleaned, the plant can spread and take over wetlands and trails. Clean your equipment to help stop the spread. Learn more: ontariophragmitesaction.ca

Don’t give Phragmites a free ride this summer! Its seeds stick to boats, boots, bikes, and more. If gear isn’t cleaned, the plant can spread and take over wetlands and trails. Clean your equipment to help stop the spread. Learn more: ontariophragmitesaction.ca
Invasive Species Ctr (@invsp) 's Twitter Profile Photo

Help keep Lake Simcoe recreation-ready for your future adventures! Clean, drain, and dry your boats/watercraft and gear to prevent the spread of invasive water soldier. Plus - it’s the law to clean, drain, dry your boats/watercrafts in Ontario. Learn more: bit.ly/3YNh9RT

Help keep Lake Simcoe recreation-ready for your future adventures! Clean, drain, and dry your boats/watercraft and gear to prevent the spread of invasive water soldier. Plus - it’s the law to clean, drain, dry your boats/watercrafts in Ontario. Learn more: bit.ly/3YNh9RT