Delaware River hatch, insect hatches, what's hatching?

Upper Delaware River Insect Hatch

What's Hatching Now on the Upper Delaware River?


   This is a list of insect that I have observed hatching. The number, and type hatching depend upon, the flow, river section, and weather conditions. I post this list to help you be better prepared when traveling to the Upper Delaware.

   I update the posting on facebook directly from the river, that info may be a bit more current.

What are these scientific names that I don't recognize?
Click here for an explanation.

   For up to date flow and temp, click the links to the East, West and Main stem on the conditions page, Click here to go to the Delaware River conditions page.

   For a picture and more information about the hatching insect, click on the Insect Info. link.

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Upper Delaware River Insect Hatch Information.

Leucrocuta hebe - Sulphur size 18 - 20 Insect Info.

Acentrella turbida - Blue Winged Olive size 22 - 26 Insect Info.

Isonychia bicolor - Slate Drake size 8, 10, 12 Insect Info.

Neophylax oligius - Tan Caddis size 16 - 18 - 20 Insect Info.

Baetis tricaudatus - Blue Winged Olive 18 - 20 Insect Info.

Rhyacophila species - Green Sedge size 14 - 16 Insect Info.

Ceratopsyche - Spotted Sedge size 16 - 18 Insect Info.

(Look for Ceratopsyche from now until the end of September
Imprortant species include sparna, bronta, slossonae, morosa.)

Upper Delaware River float trips
Jerry Hadden's Guide Service

Fly fishing float trips for wild trout on the Upper Delaware River.


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Delaware River

Delaware river hatches.
Delaware River guide service Jerry Hadden.
"When Experience Counts"