Species list, Checklist of Subclass Micrura for St. Croix Falls (Polk County, Wisconsin, 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 Subclass Micrura Ehrenberg, 1831
and region St. Croix Falls (Polk County, Wisconsin, USA)

Class	Arachnida Lamarck, 1801 Arachnids	2 3 3	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	2 3 3	Families Genera Species	Taxom

List of families for St. Croix Falls
2 Families width 3 Species

Corinnidae (Karsch, 1880)	Ant-like Sac Spiders	2	Species	Taxom
Theridiidae Sundevall, 1833	Cobweb And Widow Spiders	1	Species	Taxom

Genera for St. Croix Falls
3 Genera with 3 Species

Castianeira Keyserling, 1847	Ant-Mimic Sac Spiders	1	Species	Taxom
Neospintharus Exline, 1850		1	Species	Taxom
Phrurotimpus Chamberlin &..., 1847		1	Species	Taxom

Species list for St. Croix Falls
3 Species

Castianeira descripta Nicholas Mar..., 1847	Red Spotted Ant Mimic Spider
Neospintharus trigonum Nicholas Mar..., 1850	Horned Parasitic Cobweaver
Phrurotimpus alarius (Nicholas Mar..., 1847)	⇒ Phrurotimpus borealis James Henry ..., 1911

Subnodes of Micrura with occurrences in St. Croix Falls

Infraclass

Megoperculata
Börner, 1902

2
3
3

Families
Genera
Species

Taxom