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Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

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Species Paruroctonus boreus - Northern Scorpion

Scorpion? - Paruroctonus boreus Scorpion - Paruroctonus boreus Serradigitus - Sawfinger Scorpion? - Paruroctonus boreus Montane scorpion - Paruroctonus boreus Paruroctonus boreus Paruroctonus boreus Paruroctonus boreus Which Scorpion?? - Paruroctonus boreus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Scorpiones (Scorpions)
Family Vaejovidae
Genus Paruroctonus
Species boreus (Northern Scorpion)
Pronunciation
BORE-ee-uss
Explanation of Names
boreus means northern. It is found as far north as Canada.
Size
Adults range in size from 35 to 55 mm.
Identification
Highly variable throughout its range, and depending on habitat. Throughout much of its range it is the only scorpion found. It has the basic identifiers of Paruroctonus scorpions, such as relatively robust hands and a somewhat slender metasoma/tail in which the keels do not terminate in an enlarged denticle. In most areas it is pale, light brown. In volcanic habitats it can be quite dark with a striped tail.
Range
Western USA into southern Canada. California (Sierra Nevada), Oregon, Washington, Idaho, Arizona (north of Flagstaff), New Mexico (NW corner), W Colorado, Utah, Nevada, Wyoming, Montana, W North Dakota, W South Dakota. In Canada: southern dry valleys of Saskatchewan, British Columbia, and Alberta.