Aquatic Insects

COVID-19 Update – June 11, 2021

As of Friday, June 11, Greater Sudbury will enter step one of the Province’s Roadmap to Reopen. The roadmap outlines a three-step plan to safely and gradually ease public health measures and reopen the province. 

Seven municipal beaches are set to open with lifeguard supervision beginning Saturday, June 19, from 11 a.m. to 7 p.m. daily.


Below is a list of the documented aquatic insects in Lake Nepahwin:

  • Alderflies

  • Amphipods

  • Beetles (crawling water, predaceous diving, whirlig)

  • Caddisflies (micro, trumpetnet, tubemaking)

  • Case Makers (longhorned)

  • Clams - freshwater (fingernail, pea)

  • Clubtails

  • Damselflies (narrowwinged)

  • Earthworms (aquatic)

  • Leeches

  • Midges

  • Midges (biting)

  • Nematodes

  • Snails (planorbid, sunken)

  • Squaregills (small)

  • Turbellarians

  • Water Mites

  • Worms (horsehair)

For more information and pictures of some of the macro invertebrates (aquatic insects) found in Greater Sudbury lakes, please visit the Aquatic Insects Information section of our website.