Species list, Checklist of Infraorder Orthosterni for Stephenson County (Northwestern Illinois, 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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Northwestern Illinois

Stephenson County

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INSECTOIDGERENGDARK LIGHT

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Checklist for Infraorder Orthosterni Pocock, 1911
and region Stephenson County (Northwestern Illinois, Illinois, USA)

Class	Arachnida Lamarck, 1801 Arachnids	25 38 39	Families Genera Species	Taxom
Subclass	Dromopoda Shultz, 1990	5 6 6	Families Genera Species	Taxom
Order	Scorpiones C. L. Koch, 1837 Scorpion, Scorpions	2 3 3	Families Genera Species	Taxom
Suborder	Neoscorpionina Thorell & Lindström, 1885	2 3 3	Families Genera Species	Taxom
Infraorder	Orthosterni Pocock, 1911	2 3 3	Families Genera Species	Taxom

List of families for Stephenson County
2 Families width 3 Species and 1 Subspecies

Buthidae C. L. Koch, 1837	Arrowbreasted scorpions	3	Species	Taxom
Hormuridae Laurie, 1896		0	Species	Taxom

Genera for Stephenson County
3 Genera with 3 Species

Centruroides Marx, 1863	Bark scorpions	2	Species	Taxom
Hadogenes Kraepelin, 1894	South African rock scorpions	0	Species	Taxom
Parabuthus Pocock, 1928		1	Species	Taxom

Species list for Stephenson County
3 Species and 1 Subspecies

Centruroides gracilis Latreille, 1804	Alacran azul {blue scorpion}
Centruroides vittatus Say, 1863	Bark scorpion
Parabuthus villosus brachystylus Lawrence, 1928

Subnodes of Orthosterni with occurrences in Stephenson County

Superfamily	Buthoidea Koch, 1837	1 2 3	Family Genera Species	Taxom
Superfamily	Scorpionoidea Leach, 1815	1 1 0	Family Genus Species	Taxom