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Lehigh River, Pennsylvania Hatch Chart

The largest tributary of the Delaware, this scenic river sport Rainbows, Browns and Brooks.

Insect Size Begin End
Black Caddis 18 April 5 May 5
Blue Quill 18 April 5 May 5
Quill Gordon 14-16 April 5 June 15
Hendrickson 14-16  April 5  June 15
BWO 18-22 April 5 June 30
Caddis 12-18 April 5 June 30
March Brown 10 May 1 May 31
Sulphur 14-16 May 1 June 15
Light Cahill 14-16 May 1 June 15
Isonychia 12-14 May 1 September 15
Adams 12-14 May 1 September 15
Pale Evening Dun 18 June 15 July 15
Caddis 12-18 August 20 October 20
BWO 18-22 August 20 October 20

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