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

BugGuide is a National Moth Week Partner. How to add your National Moth Week 2021 photos. July 17-25.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, 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

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

Previous events


Subphylum Myriapoda - Myriapods

millipede with eggs - Narceus americanus-annularis-complex - female Euryurus leachii Millipedes - Brachycybe lecontii Millipedes - Polyxenus Scutigera coleoptrata Centipede - Geophilus vittatus  Symphylan + Eggs Pauropod
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Myriapoda (Myriapods)
Explanation of Names
Greek myrias (μυριας) '10,000' (i.e., countless) + podos 'foot, leg'
four classes, all represented in our area(1)
Numerous body segments, not differentiated into thorax and abdomen.
In millipedes (class Diplopoda), the trunk segments are fused into pairs called diplosegments, each with two pairs of legs.

Centipedes (class Chilopoda) have numerous unfused trunk segments, all but the last two of which have one pair of legs. The first pair of legs is modified into large poison fangs.

Pauropodans (class Pauropoda) are eyeless and 0.5-1.5 mm long, with branched antennae, 9-11 leg-bearing trunk segments, and a free telson.

Symphylans (class Symphyla) are eyeless and 0.5-8.0 mm long, with long, simple antennae and 14 trunk segments, of which the first 12 each have a pair of legs. The penultimate segment has cerci and a pair of long sensory hairs. The last segment is fused to the telson.
Internet References