Delaware River Hatches
You've never "matched the hatch" until you fish the Delaware
As with any hatch chart, this is only a guide to when you can expect certain flies to hatch. The weather, water levels and just the overall type of season will affect the actual periods of bug activity. Some of the hatches occur throughout the river system, while others are more prolific in specific sections. Just another reason why a full time professional fly fishing guide can make your visit to the river more enjoyable and productive.
If you look through the chart you will notice some overlap among the various hatches. This often translates to having multiple insect species hatching at the same time. On top of this, add fish that are keyed into one specific species and then into one specific life stage of that insect. It gets interesting.
*The first date listed is usually the earliest you can expect particular