When does the Western Green Drake hatch?

June–July, typically 11:00–16:00. It starts from about 9°C, peaks around 13°C and tails off by 17°C.

What flies imitate the Western Green Drake?

Green Drake, Drake Cripple, Parachute Green Drake, typically on a #12–10 hook.

Spinner stage: 11–15mm. That matches a #12–10 hook.

Mayfly · Aquatic insect

Drunella grandis

Size

11–15mm

Hook size

#12–10

Hatch window

Season June–JulyPeak time 11:00–16:00

Water temperature

13° peak

9°17°

How fish feed on it

The fall comes in the evening after a drake afternoon, over the same cold water. Fewer people are still there for it than should be.

Flies that imitate this

Green Drake

Drake Cripple

Parachute Green Drake

Ecology

Rivers & stillwaterFreestone rivers

Where you'll find this

Present throughout

Identification

Drunella grandis is a species of spiny crawler mayfly in the family Ephemerellidae. It is found in North America.