Hatch Chart compiled from: Hatches II by Al Caucci and Bob Nastasi			Mar			Apr			May			Jun			Jul			Aug			Sep
Latin Name	Common Name	size	7	14	21	7	14	21	7	14	21	7	14	21	7	14	21	7	14	21	7	14	21
Baetis vagans	Blue Wing Olive	16			20		15
Baetis tricaudatus	Blue Wing Olive	14				1				15
Ephemerella subvaria	Hendrickson, Red Quill	10,12				7						7
Baetis cingulatus	Blue Wing Olive	18				10								30
Epeorus pleuralis	Quill Gordon	10,12,14				10								30
Paraleptophlebia adoptiva	Blue Quill, Blue Dun	16,18					14					12
Leptophlebia	Black Quill	14,12,10					15						20
Ephemerella rotunda	Dark Hendrickson, Red Quill	12,14						30					14
Ephemerella invaria	Sulphur, Pale Evening Dun	14							7			13
Ephemerella cornuta	Blue Winged Olive	16,14								14						14
Hexagenia recurvata	Dark Green Drake	8,6,8-4x								14					3
Stenonema vicarium	March Brown, Dk Ginger Quill	10, 12								14					9
Ephemerella guttulata	Green Drake, Coffin Fly	8,6,8-4x								15				28
Pseudocloeon carolina	Blue Winged Olive	18,20								16									20
Stenonema fuscum	Grey Fox, Ginger Quill	8,10								17					9
Ephemera simulans	Brown Drake	10,10-3x									21						21
Ephemerella dorothea	Sulphur, Pale Evening Dun	16, 18									21					7
Isonychia bicolor	Leadwing Coachman, Dun Variant	10, 8									25										6
Siphlonurus altenatus	Grey Drake	12,10,8									30		15
Siphlonurus quebecensis	Grey Drake	10,8,12-3x									30	15
Epeorus vitreus	Sulpur, Pale Evening Dun	12,14										1				18
Isonychia sadleri	Leadwing Coachman, Dun Variant	10,10-3x										1									2
Baetis brunnicolor	Blue Winged Olive	16,18										3					28
Brachycercus	n.a.	18,24										3									7
Ephemerella attenuata	Blue Winged Olive	16,18										3				14
Paraleptophlebia mollis	n.a.	16,18										6				15
Centroptilium	n.a.	18										6										Oct	15
Stenonema canadense	Light Cahill	14,10										9					28
Stenonema ithaca	Light Cahill	10,12										8					30
Hexagenia limbata	Michigan Caddis	6,8-4x										11						10
Potomanthus distinctus	Gold / Yellow Drake, Cream Variant	10,8											14				21
Ephemera varia	Yellow Drake, Cream Variant	10,8											15			18
Callibaetis	Gray Quill	18,16,14												20									25
Ephemerella cornutella	Blue Winged Olive	18,16												20		15
Pseudocloeon anoka	Blue Winged Olive	22,20												20									30
Tricorythodes	Trico, Caenis	24, 26												20								Oct	30
Cloeon	Blue Winged Olive	26thru20												21									30
Ephemerella deficiens	n.a.	20,22													1								30
Ephemerella depressa	Blue Winged Olive	18,16													1								30
Paraleptophlebia debilus	Blue Quill / Dun, Slate Wing Mahogany	18,16													1						5
Ephemerella lata	Blue Winged Olive	18, 16													1				15
Heptagenia hebe	n.a.	18,16														15						Oct	20
Ephoron leukon	White Fly	10,8																15					30
---- album	White Fly	12,10																15					30
Isonychia harperi	Lead Winged Coachman, Dun Variant	10																		20			30