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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Mayflies (Ephemeroptera) » Pisciforma » Small Minnow Mayflies (Baetidae) » Baetis » Baetis tricaudatus
Photo#1341222
Mayfly larva? - Baetis tricaudatus
Copyright © 2017 Mark H Brown

Mayfly larva? - Baetis tricaudatus
Maquoketa Caves SP, Jackson County, Iowa, USA
February 19, 2017
Size: 12 mm
Found under a rock of a stream.
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Contributed by Mark H Brown on 20 February, 2017 - 9:38pm
Last updated 21 February, 2017 - 9:18pm

Moved
Moved from Mayflies.
… Roger Rohrbeck, 21 February, 2017 - 9:18pm login or register to post comments

Baetis tricaudatus
Hi Mark-

I believe this mayfly nymph to be Baetis tricaudatus. However, 12 mm seems too long. Is that just an estimate, or is it an actual measurement from the front of the head to the end of the abdomen, not including the length of the tails?
… Roger Rohrbeck, 21 February, 2017 - 7:10pm login or register to post comments

 
Yes, estimate
Now that you mention it, it was probably more in the 7-8 mm range.
… Mark H Brown, 21 February, 2017 - 7:56pm login or register to post comments

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