**Caddisfly Species Brachycentrus occidentalis (Mother's Day Caddis)**

Mayflies

Caddisflies

Stoneflies

Taxonomic Navigation -?-

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Trichoptera (Caddisflies)

» Family Brachycentridae (Apple Caddis and Grannoms)

» Genus Brachycentrus (Grannoms)

» Species occidentalis (Mother's Day Caddis)

Common Names

Match	Common Name
	Mother's Day Caddis
	Little Black Caddis
	Grannom

Gary LaFontaine tells the story in Caddisflies of how this species came to awareness through rumors of a widespread, intense hatch of an undentified brown and green caddisfly throughout the West. He traveled across the West collecting these flies and determined that they were Brachycentrus occidentalis.

Where & When

Region: West

Time Of Year (?): Late April and early May

Hatching Behavior

Time Of Day (?): Daytime

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Caddisfly Species Brachycentrus occidentalis (Mother's Day Caddis)

Where & When

Hatching Behavior

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**Caddisfly Species Brachycentrus occidentalis (Mother's Day Caddis)**