Species list, Checklist of Superorder Ephemeropteroidea for Pleasant Valley (Pembrokeshire, United Kingdom)

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 Pleasant Valley (Pembrokeshire, United Kingdom)

Class	Insecta Linnaeus, 1758 Insects, True insects	83 245 319	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	83 245 319	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	12 17 26	Families Genera Species	Taxom
Superorder	Ephemeropteroidea Rohdendorf, 1968	6 6 7	Families Genera Species	Taxom

List of families for Pleasant Valley
6 Families width 7 Species

Potamanthidae Albarda, 1888	Hacklegill mayflies	2	Species	Taxom
Caenidae Newman, 1853	Small square-gill mayflies	1	Species	Taxom
Polymitarcyidae Banks, 1900	Pale Burrower Mayflies	0	Species	Taxom
Ephemeridae Leach, 1817	Burrowing mayflies	2	Species	Taxom
Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	1	Species	Taxom
Leptohyphidae Landa & Soldán, 1985	Little Stout Crawler Mayflies	1	Species	Taxom

Genera for Pleasant Valley
6 Genera with 7 Species

Anthopotamus McCafferty a..., 1839		2	Species	Taxom
Caenis Stephens, 1861		1	Species	Taxom
Ephoron Williamson, 1802	White Flies	0	Species	Taxom
Hexagenia Walsh, 1829	Giant Mayflies	2	Species	Taxom
Stenacron Jensen, 1839	Light Cahills	1	Species	Taxom
Tricorythodes Ulmer, 1905		1	Species	Taxom

Species list for Pleasant Valley
7 Species

Anthopotamus myops Walsh, 1863
Anthopotamus verticis Say, 1839
Caenis (Caenis) amica Hagen, 1861	Heterosporous ferns
Hexagenia (Hexagenia) bilineata Say, 1824	Emergent Mayfly
Hexagenia (Hexagenia) limbata Serville, 1829	Burrowing mayfly
Stenacron interpunctatum Say, 1839	Ginger quill
Tricorythodes allectus Needham, 1905

Subnodes of Ephemeropteroidea with occurrences in Pleasant Valley

Order

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

6
6
7

Families
Genera
Species