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Common names: campodeids, japygids, diplurans

Probability of encounter: low

Quarantine importance: no known importance. 

Similarity to mites: none other than small size.  Japygids and their relatives may be confused with earwigs (Insecta, Dermaptera) and campodeids could be confused with silverfish (Insecta, Thysanura).


Normal adult length
: 3-28 mm
Body tagmata: head, thorax, abdomen
Eyes: absent
Antennae: many segmented, moniliform, often with trichobothria on some segments
Mouthparts: entognathous, mandibles (sometimes with pectinate lamellae); maxillae; maxillary palps; labial palps vestigial
Legs: 3 thoracic pairs
Respiration: thoracic and abdominal spiracles
Distinguishing features: long moniliform antennae; long, many segmented pair of cerci or single-segmented pincer-like cerci; eyes absent

Diversity: ca. 800 species in 7-9 families.


North Carolina State University – Taxonomic Index of Resources – Diplura http://www.lib.ncsu.edu/agnic/sys_entomology/taxon/diplura/index.html
Tree of Life – Diplura http://tolweb.org/tree?group=Diplura&contgroup=Hexapoda
Conde, B and Pages, J. 1991. Diplura.  The Insects of Australia, Volume 1. pp. 269-271. CSIRO: University of Melbourne Press.

Ferguson, LM. 1990. Insecta: Diplura. pp. 951-963, in DL Dindal (ed) Soil Biology Guide. John Wiley & Sons: Brisbane.

Houston, WWK (ed.) 1994. Zoological Catalogue of Australia. Volume 22. Protura, Collembola, Diplura. Melbourne: CSIRO Australia.

Redell, JR. 1983. A checklist and bibliography of the Japygoidea (Insecta: Diplura) of North America, Central America, and the West Indies. Texas Mem. Mus. Pearce-Sellards Series, No. 37 (41 pp).

Smith, LM. 1960. The family Projapygidae and Anajapygidae (Diplura) in North America. Ann. Entomol. Soc. Amer. 53: 575-583.

Townsend, JI. 1970. Some notes on Heterojapyx novaezeelandiae (Verhoeff) (Diplura: Japygidae). N.Z. Entomologist 4 (1969): 100-102.

Womersley, H. 1939.  Primitive Insects of South Australia.  Adelaide: Frank Trigg, Government Printer.

Womersley, H. 1945. New species of Diplura (Insecta, Apterygota) from Australia and New Guinea. Trans. R. Soc. S. Aust. 69: 223-228.