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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


Family Spirobolidae

Narceus americanus-annularis-complex Tylobolus - Tylobolus uncigerus Narceus sp. - Narceus americanus-annularis-complex Narceus americanus-annularis-complex milliped - Narceus americanus-annularis-complex Millipede #13 Paw Paw - Narceus americanus-annularis-complex Narceus americanus/annularis complex? millipede - Narceus americanus-annularis-complex Chicobolus spinigerus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Myriapoda (Myriapods)
Class Diplopoda (Millipedes)
Order Spirobolida
Family Spirobolidae
Two subfamilies with six genera:

Aztecolus - Mexico
Chicobolus - South Carolina to Florida
Narceus - Eastern North America from southern Ontario and Quebec south to Florida, west to Nebraska and Texas
Spirobolus - China and Taiwan

Hiltonius - Southern California south to Guatemala
Tylobolus - Oregon south to California
4-12 cm long
Includes some of the largest millipedes in North America, much longer and wider than similar-looking Julida
Print References
Keeton, William T. (1960). "A taxonomic study of the milliped family Spirobolidae (Diplopoda; Spirobolida)". Memoirs of the American Entomological Society. 17: 1–146 Available online from Biodiversity Heritage Library
Internet References