Species list, Checklist of Infraclass Megoperculata for Steger (Cook County, Illinois, 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 Infraclass Megoperculata Börner, 1902
and region Steger (Cook County, Illinois, USA)

Class	Arachnida Lamarck, 1801 Arachnids	2 2 2	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	2 2 2	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	2 2 2	Families Genera Species	Taxom

List of families for Steger
2 Families width 2 Species

Oonopidae Simon, 1890	Dwarf Cell Spiders	1	Species	Taxom
Gnaphosidae (Pocock, 1898)	Flat-bellied ground spiders	1	Species	Taxom

Genera for Steger
2 Genera with 2 Species

Costarina Platnick & D..., 1968		1	Species	Taxom
Drassyllus Chamberlin, 1922		1	Species	Taxom

Species list for Steger
2 Species

Costarina concinna Chickering, 1968	Goblin spiders
Drassyllus orgilus (Chamberlin, 1922)	⇒ Drassyllus dromeus Chamberlin, 1922

Subnodes of Megoperculata with occurrences in Steger

Order

Araneae
Clerck, 1757
Spider, Spiders, True Spiders

2
2
2

Families
Genera
Species

Taxom