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

Discussion of 2018 gathering

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

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Order Spirobolida

Narceus Americanus - Narceus americanus-annularis-complex Millipede - Narceus americanus-annularis-complex Atopetholidae with white and gold bands Millipede - Atopetholus Narceus americanus - Narceus americanus-annularis-complex Giant Millipede, antenna - Tylobolus millipede - Tylobolus Trigoniulus corallinus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Myriapoda (Myriapods)
Class Diplopoda (Millipedes)
Order Spirobolida
12 families worldwide
6 families in North America (2 introduced).
About 35 species occur north of Mexico. (1)
Up to 200mm (tropical species)
Cylindrical body. Eyes usually present. Dorsal groove absent. Paranota absent. >30 segments. Have only one pair of legs on the fifth ring; other millipedes have two pairs. The male's sex organs (gonopods) are hidden in a pouch. (1)
Vertical suture on lower front of head extending upwards from labrum (see below) distinguishes Spirobolida from Julida and Spirostrepsida.
See also this photo.
Works Cited
1.Spiders and Their Kin: A Golden Guide from St. Martin's Press
Herbert W. Levi, Lorna R. Levi, Nicholas Strekalovsky. 2001. St. Martin's Press.