|
Mayflies |
|
| Blue-winged Olive (Baetis spp.) | |
| Cameron, Clinton, Potter & most of the North-Central Counties | All season, heaviest in May and September |
| Hendrickson (Ephemerella subvaria) | |
| Cameron, Clinton, Potter & most of the North-Central | April through May, when you can find them! |
| Sulfur Dun (Ephemerella spp.) | |
| Centre, Juniata, Mifflin & Centre Central Counties | Mid May through July |
| Gray Fox & March Brown (Stenonema vicarium) | |
| Cameron, Clinton, Potter & most of the North-Central Counties | Late May through June |
|
Drake Time (Ephemera guttulata) Green Drake & Coffin Fly, Brown Drake, Yellow Drake and Slate Drake |
|
| In most North & South Central Counties | End of May through June early July |
| Tiny Blue-winged Olive ( | |
| Just about all Central Pennsylvania Counties | July through September |
| Trico (Tricorythodes spp.) | |
| Just about all Central Pennsylvania Counties | Mid July through September |
|
Caddis |
|
| Micro-caddis (Hydroptilidae spp.) | |
| Just about all Central Pennsylvania Counties | All season, but not heavy at any time |
| Grammon (Brachycentrus spp.) | |
| Just about all Central Pennsylvania Counties | May |
| Little Black (Chimarra spp.) | |
| Just about all Central Pennsylvania Counties | April, May |
| Tan Caddis | |
| May through August | Just about all Central Pennsylvania Counties |
| Spotted Sedge (Hydropsyche spp.) | |
| In most North & South Central Counties | June through mid September |
.
|
Stoneflies |
||
| Yellow Sally, Little Yellow (Isoperla spp.) | ||
| All area streams | May through August | |
| Tiny Winter Black (Capniidae) | ||
| Most All area streams | February in to April | |
| Golden Stones (Acroneuria) | ||
| Most All area streams | May through June | |
|
Miscellaneous |
|
| Midges (Chironomus spp.) | |
| All area streams | All season |
| Yellow Cranefly | |
| All area streams | All season |
| Black Ant | |
| All area streams | All season |
| Black Beetle | |
| All area streams | All season |
| Grasshopper | |
| All area streams | July through September |
| Cricket | |
| All area streams | May through September |