Geomonhystera michoacana

Geomonhystera michoacana	Contents	Rev: 11/19/2024
	Classification	Biology and Ecology
	Morphology and Anatomy	Life Cycle
Return to Geomonhystera Menu	Economic Importance	Ecosystem Functions and Services
	Distribution	Management
Return to Monhysteridae Menu	Feeding	References
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Classification:

Chromadorea
Chromadoria
Monhysterida: Monhysterina
Monhysteroidea
Monhysteridae: Monhysterinae
Geomonhystera michoacana Cid del Prado-Vera, Ferris & Subbotin, 2018.

Synonyms:

Morphology and Anatomy:

Members of the subfamily Monhysterinae of the Monhysteridae are characterized by a single tapered buccal cavity.

Body strongly curved ventrally after fixation;
Cuticle 1 um thick, with very fine striations; body; setae rare, occasionally on tail and cervical region;
Head convex continuous with body contour, lips triangular, fused at the base and separated distally; inner labial papillae very small, coniform, outer labial setae not segmented, 48% of head width long; cephalic setae thin, 38% of head width long.
Amphid apertures rounded, 417 um from anterior margin of head, both amphids at the same level;
Pharynx muscular, 19% of the body length; cardia composed of three small cells; rectum length 1.5 x abd, thick, anterior end almost at level of vulva.
Anterior lip of anus lightly protruding.
Tail tapering evenly, 16% of the body length, with a few setae; three caudal glands ducted into an ampulla and then into the conspicuous spinneret, 2-3 um long.

	Females: Monodelphic-prodelphic; Vulva close to anus, 1.6 abd anterior to anus. Vulva lips slightly protruding; vagina short, Post-vulval uterine sac absent Ref: Cid del Prado-Vera et al., 2018
Geomonhystera michoacana Female (Aâ€“G). A, B, C: Anterior end body; D: Pharyngeo-intestinal junction; E: Vulva-anus region; F: Spinneret; G: Posterior end body. Drawings from Cid del Prado-Vera et al., 2018
Males: Unknown
Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click:

Distribution:

Described from moss on a rock in Tzararacua National Park, Uruapan, Michoacan State, Mexico.

Life Cycle:

Probably parthenogenic.

Ecophysiological Parameters:

For Ecophysiological Parameters for this species, click	If species level data are not available, click for genus level parameters

Ecosystem Functions and Services:

Cid del Prado-Vera, I., Ferris, H., Subbotin, S.A. 2018. Six new and one known species of Geomonhystera (Nematoda, Monhysteridae) from moss, an epiphytic plant and soil in Mexico and Ecuador. Zootaxa 4471:76-110.

Yeates, et al. 1993. Feeding habits of soil nematodes. J. Nematology 25:315-331.