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South Branch Raritan River, New Jersey Hatch Chart

Insect Size Begin End
Little Black Stonefly 14-16 March 1 April 15
Blue Quill 16-18 April 1 May 15
Hendrickson 12-14 April 1 May 15
Red Quill 12-14 April 1 May 15
BWO 14 May 15 June 15
Gray Fox 12-14 May 15 June 15
Yellow Sally 14-16 May 15 June 15
Light Cahill 12-16 May 15 June 15
March Brown 12 May 15 June 15
Golden Drake 12 June 15 July 15
Slate Drake
12-14 May 15 September 15
Sulphur 18 May 15 July 15
Caddis 14-18 June 15 September 30
BWO 20-24 May 15 September 30
White Miller  14 August 1 September 30

 

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