Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

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

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Previous events


Species Rugilus angustatus

Rove Beetle - Rugilus angustatus Rove Beetle - Rugilus angustatus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Staphyliniformia)
Superfamily Staphylinoidea (Rove, Carrion and Fungus Beetles)
Family Staphylinidae (Rove Beetles)
Subfamily Paederinae
Tribe Lathrobiini
Subtribe Stilicina
Genus Rugilus
Species angustatus (Rugilus angustatus)
Synonyms and other taxonomic changes
=Rugilus fragilis (Gravenhorst 1806)
Explanation of Names
Rugilus (Rugilus) angustatus (Geoffroy 1785)
5.5-6.5 mm(1)
native to Europe (widespread there)(2), adventive in NA (NS-ON, ME, NY)(3) [not listed in(4)]
moist, muddy places near water, wet fields/meadows, usually under plant debris(2); in NB, adults were found along river margins, in hardwood and mixed forests, and in a beaver dam. Adults were found under loose bark in wood piles, among composted wood chips and decaying plant material, under overhanging sticks on the outer margin of a beaver dam, and in flood debris on a river margin(3)
earliest NA record: ON 1950(1)