Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Mayflies (Ephemeroptera) » Pisciforma » Heptagenioidea » Brushleg Mayflies (Oligoneuriidae)

Family Oligoneuriidae - Brushleg Mayflies

Homoeoneuria From Missouri River in Elk Point, SD - Homoeoneuria alleni

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Ephemeroptera (Mayflies)

Suborder Pisciforma

Superfamily Heptagenioidea

Family Oligoneuriidae (Brushleg Mayflies)

Numbers

9 spp. in 2 genera in North America, 54 spp. in 11 genera total(1)

Identification

Adults: forewing venation greatly reduced, with 3 or 4 longitudinal veins and few/no cross veins

Nymphs: femora and tibiae of forelegs with double row of long setae; gills on segment 1 ventral

Range

across the world; in NA, sw. & w. US (south into Mexico), through Midwest, to se. US

Habitat

Rivers, specific microhabitat varies with genus

Food

Nymphs are collector-filterers, gather food particles using foreleg setae

Works Cited

1.	Barber-James H., Sartori M., Gattolliat J-L., Webb J. (2013) World checklist of freshwater Ephemeroptera species

Contributed by Greg Courtney on 27 February, 2014 - 8:45am
Additional contributions by v belov
Last updated 27 February, 2014 - 10:35am

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