**Mayfly Species Maccaffertium pulchellum (Light Cahill)**

Mayflies

Caddisflies

Stoneflies

Taxonomic Navigation -?-

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Ephemeroptera (Mayflies)

» Family Heptageniidae (March Browns, Cahills, Quill Gordons)

» Genus Maccaffertium (March Browns and Cahills)

» Species pulchellum (Light Cahill)

Common Name

Match	Common Name
	Light Cahill

Where & When

Regions: East, Midwest

Time Of Year (?): Mid-June to mid-September, peaking sometime after mid-July

This species is locally abundant.

Hatching Behavior

Unlike species which hatch earlier in the year, Maccaffertium pulchellum does not migrate to the calm shallows to emerge. It comfortably hatches in the middle of the stream.

Nymph Biology

Substrate: Gravel and submerged wood

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Mayfly Species Maccaffertium pulchellum (Light Cahill)

Where & When

Hatching Behavior

Nymph Biology

Your Thoughts On Maccaffertium pulchellum:

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**Mayfly Species Maccaffertium pulchellum (Light Cahill)**