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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


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TaxonomyBrowse
Info
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Order Spirobolida

Monstrous Big Millipede - Narceus americanus-annularis-complex woodland millipede - Narceus americanus-annularis-complex Texas Millipedes - Narceus americanus-annularis-complex Narceus americanus-annularis-complex Tylobolus sp - Tylobolus Narceus - Narceus americanus-annularis-complex NA Millipede - Narceus americanus-annularis-complex Millipede #10 Paw Paw - Narceus americanus-annularis-complex
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Myriapoda (Myriapods)
Class Diplopoda (Millipedes)
Order Spirobolida
Numbers
12 families worldwide
6 families in North America (2 introduced).
About 35 species occur north of Mexico. (1)
Size
Up to 200mm (tropical species)
Identification
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.
Remarks
Members of this order primarily secrete benzoquinones (Shear, 2015).
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.