Species list, Checklist of Superorder Ephemeropteroidea for Calvert County (Maryland, USA)

Ants	Arachnids
Bees	Beetles
Booklice	Bugs
Bumblebees	Butterflies
Cicadas	Crane flies
Dragonflies	Earwigs
Flies	Isopods
Locusts	Mantises
Mayflies	Mosquitoes
Myriapods	Net-winged
Plant-parasitic	Scorpion flies
Termites	Wasps

Taxonomy & Distribution
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Pleasant Valley

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INSECTOIDGERENGDARK LIGHT

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Checklist for Superorder Ephemeropteroidea Rohdendorf, 1968
and region Calvert County (Maryland, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	183 797 1104	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	183 797 1104	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	13 40 71	Families Genera Species	Taxom
Superorder	Ephemeropteroidea Rohdendorf, 1968	4 8 7	Families Genera Species	Taxom

List of families for Calvert County
4 Families width 7 Species

Potamanthidae Albarda, 1888	Hacklegill mayflies	1	Species	Taxom
Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	2	Species	Taxom
Ephemerellidae (Klapálek, 1909)	Blue-Winged Olive Ephemerellidae	2	Species	Taxom
Ephemeridae Leach, 1817	Burrowing mayflies	2	Species	Taxom

Genera for Calvert County
8 Genera with 7 Species

Anthopotamus McCafferty a..., 1839		1	Species	Taxom
Epeorus Eaton, 1881		0	Species	Taxom
Ephemerella Walsh, 1931	And Pale Duns	2	Species	Taxom
Heptagenia Walsh, 1863		0	Species	Taxom
Hexagenia Walsh, 1829	Giant Mayflies	2	Species	Taxom
Maccaffertium Bednarik, 1910		1	Species	Taxom
Rhithrogena Eaton, 1881	March Browns	0	Species	Taxom
Stenacron Jensen, 1839	Light Cahills	1	Species	Taxom

Species list for Calvert County
7 Species

Anthopotamus verticis Say, 1839
Ephemerella invaria Walker, 1853	Chocolate dun
Ephemerella subvaria (McDunnough, 1931)	⇒ Ephemerella shanwangensis Hong, 1983
Hexagenia (Hexagenia) bilineata Say, 1824	Emergent Mayfly
Hexagenia (Hexagenia) limbata Serville, 1829	Burrowing mayfly
Maccaffertium modestum Banks, 1910	Light Cahill
Stenacron interpunctatum Say, 1839	Ginger quill

Subnodes of Ephemeropteroidea with occurrences in Calvert County

Order

Ephemeroptera
Hyatt & Arms, 1891
Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes, Mayflies Olives Etc, mayfly, Shadflies

4
8
7

Families
Genera
Species