Guest Report post Posted May 2, 2011 Here is a great view of the life cycle of a Hendrickson. From the poster “Hendrickson nymphs and duns collected on April 15th, 2011 from the South Branch of the Raritan River near Califon, NJ. Although I’m not an insect identification expert by any means, I believe these are all Hendricksons (Ephemerella subvaria). It’s amazing [...] View the full article Quote Share this post Link to post Share on other sites