Field Guide: Snow Fleas By Cheryl Bartz • Feb 1, 2021 ShareTweetEmail Snow fleas look like small flecks of ash on the snow, but if you look closely, you can see them jump. Credit Cheryl Bartz Winter is one season when Northern Michigan is free of insects, right? Wrong. Hear about an exception you can find if you look closely. Listen Listening... / 2:15 Field Guide: Snow Fleas Tags: Northern MichiganPoints NorthRed Pine Radiosnow fleaswinterShareTweetEmailView the discussion thread.