Family Heptageniidae - Stream Mayflies

Classification · Numbers · Identification · Habitat · Print References · Works Cited

Mayfly- Hexagenia? - Maccaffertium - female

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Class Insecta (Insects)

Order Ephemeroptera (Mayflies)

Family Heptageniidae (Stream Mayflies)

Numbers

Nomina Insecta Neartica lists 14 North American genera.

Identification

"Peterson's Field Guide to Insects" (1), p. 66:

Base of m2 in FW nearly straight. Cubital intercalaries in FW in 2 parallel pairs. R4+5 in HW forked. Hind tarsi 5-segmented.

Nymphs are flattened and streamlined. Adults are medium-sized to small, usually clear-winged.

Habitat

Nymphs occur on the underside of stones in streams.

Print References

"Peterson's Field Guide to Insects" (1), p. 66.

Works Cited

1.	A Field Guide to Insects By Richard E. White, Donald J. Borror, Roger Tory Peterson

Contributed by Tony DiTerlizzi on 27 June, 2005 - 6:08am
Last updated 4 July, 2005 - 7:56am

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