Species list, Checklist of Superorder Ephemeropteroidea for Howard 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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INSECTOIDGERENGDARK LIGHT

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

Class	Insecta Linnaeus, 1758 Insects, True insects	103 212 226	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	103 212 226	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	7 12 12	Families Genera Species	Taxom
Superorder	Ephemeropteroidea Rohdendorf, 1968	4 7 8	Families Genera Species	Taxom

List of families for Howard County (Maryland)
4 Families width 8 Species

Baetidae Leach, 1815	Mayflies	2	Species	Taxom
Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	4	Species	Taxom
Ephemerellidae Klapálek, 1909	Blue-Winged Olive Ephemerellidae	1	Species	Taxom
Leptophlebiidae Banks, 1900	Leptophlebiids	1	Species	Taxom

Genera for Howard County (Maryland)
7 Genera with 8 Species

Callibaetis Eaton, 1862	Speckled Duns	1	Species	Taxom
Cinygmula McDunnough, 1914		1	Species	Taxom
Cloeon Leach, 1761		1	Species	Taxom
Eurylophella Tiensuu, 1925	Chocolate Duns	1	Species	Taxom
Maccaffertium Bednarik, 1910		2	Species	Taxom
Neoleptophlebia Kluge, 1871		1	Species	Taxom
Stenacron Jensen, 1839	Light Cahills	1	Species	Taxom

Species list for Howard County (Maryland)
8 Species

Callibaetis ferrugineus Walsh, 1862	Red Speckled Dun
Cinygmula subaequalis Banks, 1914	Golden spinner
Cloeon dipterum Linnaeus, 1761	Common wetland mayfly
Eurylophella funeralis McDunnough, 1925
Maccaffertium (Maccaffertium) mediopunctatum McDunnough, 1926	Olive Cahill quill
Maccaffertium modestum Banks, 1910	Light Cahill
Neoleptophlebia mollis Eaton, 1871
Stenacron interpunctatum Say, 1839	Ginger quill

Subnodes of Ephemeropteroidea with occurrences in Howard County (Maryland)

Order

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

4
7
8

Families
Genera
Species