Species list, Checklist of Infraorder Orthosterni for LaSalle 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

LaSalle County

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INSECTOIDGERENGDARK LIGHT

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

Class	Arachnida Lamarck, 1801 Arachnids	48 146 211	Families Genera Species	Taxom
Subclass	Dromopoda Shultz, 1990	5 7 9	Families Genera Species	Taxom
Order	Scorpiones C. L. Koch, 1837 Scorpion, Scorpions	2 2 3	Families Genera Species	Taxom
Suborder	Neoscorpionina Thorell & Lindström, 1885	2 2 3	Families Genera Species	Taxom
Infraorder	Orthosterni Pocock, 1911	2 2 3	Families Genera Species	Taxom

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

Buthidae C. L. Koch, 1837	Arrowbreasted scorpions	2	Species	Taxom
Bothriuridae Simon, 1880		1	Species	Taxom

Genera for LaSalle County
2 Genera with 3 Species

Centruroides Marx, 1863	Bark scorpions	2	Species	Taxom
Urophonius Pocock, 1876		1	Species	Taxom

Species list for LaSalle County
3 Species and 1 Subspecies

Centruroides gracilis Latreille, 1804	Alacran azul {blue scorpion}
Centruroides vittatus Say, 1863	Bark scorpion
Urophonius brachycentrus brachycentrus Thorell, 1876

Subnodes of Orthosterni with occurrences in LaSalle County

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