Hatch Chart

Scientific Name																																																Common Name																																		Size																						Mar											Apr											May											Jun											Jul											Aug											Sep											Oct
Taeniopteryx navalis																																																Black Stonefly																																		18-14																						1											----											15											.											.											.											.											.
Strophopteryx fasciata																																																Brown Stonefly																																		18-16																						1											----											15											.											.											.											.											.
Epeorus pleuralis																																																Quill Gordon																																		16-12																						1											----											15											.											.											.											.											.
Apatania nigra																																																Smokey Wing Sedge																																		22-20																						1											----											15											.											.											.											.											.
Baetis tricaudatus																																																Blue Wing Olive																																		20-18																						15											----											15											.											.											.											.											.
Ephemerella subvaria																																																Hendrickson																																		16-12																						30											----											30											.											.											.											.											.
Pteronarcys dorsata																																																Giant Black Stonefly																																		4-2 2xL																						.											1											30											.											.											.											.											.
Isogenoides hansoni																																																Black Stonefly																																		6 2xL																						.											5											----											1											.											.											.											.
Paraleptophlebia adoptiva																																																Sm. Dark Quill																																		20-18																						.											15											30											.											.											.											.											.
Leptophlebia cupida																																																Lg. Dark Quill																																		14-12																						.											15											30											.											.											.											.											.
Brachycentrus solomoni																																																Black Caddis																																		18-16																						.											20											15											.											.											.											.											.
Brachycentrus appalachia																																																Apple Caddis																																		18-16																						.											.											1											15											.											.											.											.
Drunella cornuta																																																Blue Wing Olive																																		16-14																						.											.											7											----											20											.											.											.
Stenonema vicarium																																																March Brown																																		12-6																						.											.											10											----											10											.											.											.
Acentrella turbida																																																Blue Wing Olive																																		26-22																						.											.											10											----											----											----											----											15
Ceratopsyche morosa																																																Spotted Sedge																																		18-16																						.											.											10											25											.											.											.											.
Ephemerella rotunda																																																Sulphur																																		14-12																						.											.											12											30											.											.											.											.
Ephemerella invaria																																																Sulphur																																		16-14																						.											.											12											30											.											.											.											.
Psilotreta labida																																																Dark Blue Sedge																																		16-14																						.											.											15											10											.											.											.											.
Cheumatopsyche campyla																																																Little Sister Sedge																																		22-20																						.											.											15											15											.											.											.											.
Ephemera guttulata																																																Green Drake																																		10-6																						.											.											15											15											.											.											.											.
Psilotreta frontalis																																																Black Caddis																																		16-14																						.											.											15											20											.											.											.											.
Hydropsyche recurvata																																																Spotted Sedge																																		16-14																						.											.											15											25											.											.											.											.
Ephemera simulans																																																Brown Drake																																		12-10																						.											.											15											----											21											.											.											.
Ceratopsyche sparna																																																Spotted Sedge																																		18-16																						.											.											15											----											----											----											20											.
Ceratopsyche slossonae																																																Spotted Sedge																																		18-16																						.											.											15											----											----											----											30											.
Ephemerella dorothea																																																Sulphur																																		20-18																						.											.											20											----											30											.											.											.
Ceratopsyche bronta																																																Spotted Sedge																																		18-16																						.											.											20											----											----											----											30											.
Acroneuria lycorias																																																Golden Stone																																		6-4 2xL																						.											.											25											15											.											.											.											.
Lepidostoma togatum																																																Plain Br. Sedge																																		22-20																						.											.											25											----											----											30											.											.
Isonychia bicolor																																																Slate Drake																																		12-8																						.											.											28											----											----											----											----											30
Attenella attenuata																																																Blue Wing Olive																																		20-18																						.											.											.											1											20											.											.											.
Paraleptophlebia mollis																																																Sm. Dark Quill																																		20-18																						.											.											.											1											20											.											.											.
Mystacides sepulchralis																																																Black Dancer																																		20-18																						.											.											.											1											----											----											20											.
Stenacron heterotarsale																																																Cahill																																		16-12																						.											.											.											1											----											----											30											.
Epeorus vitreus																																																Pale Eve. Dun																																		16-12																						.											.											.											1											----											----											----											30
Rhyacophila species																																																Green Sedge																																		16-14																						.											.											.											10											----											30											.											.
Stenonema ithaca																																																Light Cahill																																		14-10																						.											.											.											10											----											15											.											.
Stenacron canadense																																																Light Cahill																																		14-12																						.											.											.											10											----											30											.											.
Ephemerella needhami																																																Blue Wing Olive																																		20-16																						.											.											.											10											25											.											.											.
Sarratella deficiens																																																Blue Wing Olive																																		24-22																						.											.											.											10											----											----											30											.
Ephemera varia																																																Yellow Drake																																		8-6																						.											.											.											12											28											.											.											.
Anthopotamus distinctus																																																Yellow Drake																																		10-8																						.											.											.											15											----											25											.											.
Drunella cornutella																																																Blue Wing Olive																																		18-16																						.											.											.											15											----											15											.											.
Timpanoga simplex																																																Blue Wing Olive																																		22-20																						.											.											.											15											----											20											.											.
Paraleptophlebia debilus																																																Sm. Dark Quill																																		20-18																						.											.											.											.											1											----											----											20
Tricorythodes species																																																Trico																																		26-24																						.											.											.											.											1											----											----											31
Serratella serratoides																																																Little Tan Dun																																		22-20																						.											.											.											.											10											----											15											.
Brachycercus lacustris																																																Black and Gray																																		22-20																						.											.											.											.											20											----											10											.
Leucrocuta hebe																																																Sulphur																																		20-18																						.											.											.											.											.											1											----											5
Ephoron leukon																																																White Fly																																		10-8																						.											.											.											.											.											10											30											.
Neophylax oligius																																																Autumn Sedge																																		18-16																						.											.											.											.											.											.											15											31