Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
 

Clickable Guide

Interactive image map to choose major taxa 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

National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

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

Order Julida

Representative Images

Light Colored Millipede Male julidan - Paeromopus angusticeps - male Virginian Centipede - Ophyiulus pilosus Millipede found under a log at P.L.U. Millipede - Cylindroiulus Ophyiulus pilosus? - Ophyiulus pilosus Dark-lined millipede Californiulus Millipede - Californiulus dorsovittatus

Classification

Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Myriapoda (Myriapods)
Class Diplopoda (Millipedes)
Order Julida

Explanation of Names

Julida Brandt 1833

Numbers

9 families in our area (8 native, 1 introduced)(1), almost 1,500 spp. in ~270 genera of 24 families total(2)

Size

10‒120 mm

Identification

Long, snake-like body. Eyes present. Often with fringe of setae around posterior end of body. Dorsal groove absent. Paranota absent. 1st pair of legs hook-like in males. 30-90 segments. Conspicuous grooves ("striae") on the segments in families Julidae and Paeromopodidae.

Works Cited

1.Checklist of the millipeds of North and Middle America
Richard L. Hoffman. 1999. Virginia Museum of Natural History Special Publications.
2.Sierwald P., Spelda J. (2023) MilliBase
Contributed by john and jane balaban on 6 March, 2007 - 9:01pm
Additional contributions by v belov, biosam
Last updated 14 November, 2023 - 5:10pm

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