Genus Amphidelus

To view images go to: Image List

ORDER ENOPLIDA

Family Alaimidae

Genus Amphidelus

The Genus Amphidelus was found at KBS/LTER, Michigan by Frekman and Ettema (1993), Birney (unpublished data) and Quintanilla Tornel (2006, 2007 or 2008 sampling).

Genus Amphidelus Thorne, 1939

" Diagnosis. Amphidelinae. Relatively large size. Head rounded, not offset. Lip region low. Amphids pocket-shaped, well developed, apertures large transverse slits, fovea broad, deeper than wide; sometimes elongate-conoid; positioned anterior to two head diameters from anterior end, mostly at one head diameter from anterior end. Pharynx relatively short, gradually expanding in its posterior part. Secretory-excretory pore anteriorly located. Females mostly didephic-amphidelphic with reflexed ovaries (except in A dolichurus and A. pusillus); vagina thick-walled and vulva with open lips. Males monorchic with anteriorly directed testis, spicules short with central piece, 5-5 ventral pre-cloacal papillae. Many species are in mosses." N. Smol and A Coomans 2006

“Definition: Alaimoidea.  Amphid apertures large, transverse slits or crescents.  Amphids broad, deeper than wide; sometimes elongate-conoid.  Oesophagus narrow but expanding to terminal swelling.  Female gonads paired, opposed, reflexed (except in A. dolichurus and A. pusillus).  Spicules short, somewhat sigmoid in A. lemani. Type species: Amphidelus lissus Thorne, 1939” From Goodey, 1963

References:

Smol, N. and A Coomans Order Enoplida. 2006. In: Eyualem Abebe, Traunspurger W., and Andrassy I. (eds) Freshwater Nematodes: Ecology and Taxonomy. CABI Publishing, Cambridge, MA, pp. 225-292

T. Goodey and J.B. Goodey. 1963. Soil and Freshwater Nematodes.  Butler and Tanner Ltd, London, Great Britain

Powers T. and P. Mullin. Plant and Insect Parasitic Nematodes. University of Nebraska Nematology Website. http://nematode.unl.edu/ Photo Gallery- Haughton Crater

Phylum Nematoda

  • follow us on youtube
  • follow us on instagram
  • follow us on linkedin
Michigan State University
  • Spartans Will.
  • © Michigan State University

MSU is an affirmative-action, equal-opportunity employer, committed to achieving excellence through a diverse workforce and inclusive culture that encourages all people to reach their full potential.

Michigan State University Extension programs and materials are open to all without regard to race, color, national origin, gender, gender identity, religion, age, height, weight, disability, political beliefs, sexual orientation, marital status, family status or veteran status. Issued in furtherance of MSU Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture. Quentin Tyler, Director, MSU Extension, East Lansing, MI 48824. This information is for educational purposes only. Reference to commercial products or trade names does not imply endorsement by MSU Extension or bias against those not mentioned.

The 4-H Name and Emblem have special protections from Congress, protected by code 18 USC 707.

We comply with the Federal Trade Commission 1998 Children’s Online Privacy Protection Act (COPPA).