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

Calendar
Upcoming Events

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

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

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


Previous events


TaxonomyBrowse
Info
ImagesLinksBooksData

Species Dineutus emarginatus

Dineutus assimilis? - Dineutus emarginatus Dineutus assimilis? - Dineutus emarginatus Dineutus assimilis? - Dineutus emarginatus Whirligig Beetle - Dineutus emarginatus Whirligig Beetle - Dineutus emarginatus - male Whirligig Beetle - Dineutus emarginatus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga
Family Gyrinidae (Whirligig Beetles)
Subfamily Gyrininae
Genus Dineutus
Species emarginatus (Dineutus emarginatus)
Explanation of Names
Dineutus emarginatus (Say 1823)
Size
♂ 8.6–11.0 mm, ♀ 8.9–10.1 mm(1)
Identification
Note toothed front femora and broadly rounded, non-serrulate elytra apices. -Tim Loh, 19.XI.2011
Range
e US (NH-FL to MI-MO-TX)(1)
Habitat
Ponds, lakes, rivers and swamps.(2)
Remarks
Attracted to lights(2)
Works Cited
1.The New World whirligig beetles of the genus Dineutus Macleay, 1825 (Coleoptera, Gyrinidae, Gyrininae, Dineutini)
Gustafson GT, Miller KB. 2015. Zookeys; 476: 1-135.
2.Beetles of Eastern North America
Arthur V. Evans. 2014. Princeton University Press.