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Caddisfly Species Macrostemum zebratum (Zebra Caddis)

The "Zebra Caddis" is one of the most well-known caddisfly species, and one of the largest to produce high intensity hatches on our trout streams.

It is also an important species for smallmouth bass. Gary LaFontaine wrote in Caddisflies about encountering Macrostemum zebratum on a large smallmouth river:

I never caught so many smallmouth bass on a fly rod before in my life.

Where & When

Regions: East, Midwest

Time Of Year (?): June through September; peaks before mid-July

Preferred Waters: Large rivers

This species is usually found in large, thermally marginal trout streams, or in tailwaters which used to have that character.

Recent Discussions of Macrostemum zebratum

Zebra Caddis 1 Reply »
Posted by Lastchance on Aug 4, 2008
Last reply on Aug 4, 2008 by Taxon
Is there a photo of one? I've never heard of them or perhaps I know them by a different name.

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