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Mayfly Species Maccaffertium pulchellum (Light Cahill)

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
MatchCommon 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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