Winter Stonefly Search



Help us find some special winter stoneflies!

These underwater creatures elude most predators by growing during the winter months when most fish are more sluggish. They live only in good quality streams so searching for them tells us about problems in the river and its streams. The reason that HRWC does stonefly searches is to use their presence to gauge the health of our streams.

For more information about stoneflies check out this article.

This winter stonefly is one type of insect that you will most likely find!

When you sign up to volunteer, you will join a small group of other volunteers to search a selected stretch of stream or River for stoneflies. You will be working with experienced researchers in the collection of stoneflies. They will also teach you how we determine the health of the stream or river you are visiting. Here’s a personal account with nice photos.


Children are welcome to join the search as long as each one is attended by an adult.


WHEN: Saturday, January 20, 2018 but you must register. There are 2 starting times: 9:00 am or 10:30am. Takes about 4 hours, approximately half of that outdoors.


DEADLINE: Register by January 17, 2018.

NEXT STEPS: Fill out the registration page for the time and general area that you desire to work in.

1. 9:00am Registration

2. 10:30am Registration

FOR MORE INFO: Please contact Jason at


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