Light Cahill (ithaca) Ephemeroptera(Mayfly) Family: heptogeniidae Genus: stenonema Species: ithaca Common Name: Light Cahill Important stenonema, stenocron Statistics Size: 9-12 mm Water Temp: Hook: #12 2x long Emerging: Sporadically all day Hatch Date: Late June and into July Habitat: Medium fast runs and riffles SPECIES LIFE STAGE HOOK BODY COLOR WING COLOR TAIL COLOR ithaca dun #12 lite gray medium texture lite gray ithaca spinner #12 Light Cahill Comments: Nymph Use sinking nymph; fish deep Dun Trout must be stalked carefully due to the low water conditions. Use a fine tippet and cast delicately to feeding trout. Normal hatching is generally late evening when temperatures are cooler. Rainy overcast days produce good hatches. Spinner Spinner falls occur at dusk. Find a good position to cast at feeding trout. Use fine tippet and stealth. Duns may be emerging at the same time so determine which phase the trout are taking if necessary. Mayfly |Entomology |Trout |flyfishing copyright©2000flyfisherusa