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Home » Forums » General Discussion

Guesstimating Emergence of Aquatic Insects

Hi all! I’m a grad student that’s new to the field of entomology, though excited to learn.

I was wondering if anyone had recommendations on how to guesstimate the timing of when aquatic insects (like mayflies & caddisflies) emerge from streams & rivers. I’m especially interested in the Piedmont region of North Carolina (I’m studying some streams in the triangle area). But also super open to any recs on how to approach the question (any good people or books or models?).

Thank you so much for reading!
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Contributed by Jonny Behrens on 21 January, 2021 - 4:14pm

iNaturalist
Similar to what Ken said, on iNaturalist there are over 600 observations of mayflies in North Carolina, so you can go to the page for Ephemeroptera and click "Filter by Place" at the top right and select North Carolina, or any other place. The graphs for seasonality below will quickly give you an idea of when emergence occurs. Unfortunately, they are not well annotated for life stage or identified to species, so it provides only a coarse overview. And a more restricted area like Wake County, has fewer observations to go off of.
… Matthew Pintar, 25 January, 2021 - 12:11pm login or register to post comments

You might start...
...by using the Data tab here on BugGuide. Navigate to the taxon of interest (order, family, genus or species), and click on the Data tab to see when and where specimens have been found. Click on a state to see the results for that state--and refine the results by selecting a month, a particular county, and/or a stage of life (adult/immature). For example, you can see the adult mayflies that have been submitted from North Carolina in April here.

If you need assistance with any of these steps, just let us know.

Welcome to BugGuide!
… Ken Wolgemuth, 21 January, 2021 - 9:54pm login or register to post comments

 
Thank You!
Ah that is wonderful, did not notice that before. Thank you so much for the advice.
… Jonny Behrens, 22 January, 2021 - 3:14pm login or register to post comments

 
You're welcome :)
Others may have different suggestions, but they will see this post. There is no need to keep asking the same question. Please delete the duplicates you have posted since this one.

Thanks!
… Ken Wolgemuth, 22 January, 2021 - 11:44pm login or register to post comments

 
Odd, only posted it once. But
Odd, only posted it once. But thx for the heads up, I erased the others
… Jonny Behrens, 23 January, 2021 - 8:05am login or register to post comments

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