Melomystrongylus, Smales, 2009

Durette-Desset, Marie-Claude & Digiani, María Celina, 2023, Revision of the genera of Heligmonellidae (Nematoda, Heligmosomoidea), parasitic in Muridae from New Guinea, Parasite (Paris, France) 30 (63), pp. 1-34 : 5

3.1 Genus MELOMYSTRONGYLUS Smales, 2009

( Fig. 1 )

Type species: Melomystrongylus sepikensis Smales, 2009 .

Hosts: Muridae , Hydromyinae ( Rodentia ).

Site: small intestine.

Distribution: Papua New Guinea.

Other species: Melomystrongylus somoroensis Smales & Heinrich, 2010 .

Original diagnosis: Trichostrongyloidea : Heligmonellidae : Nippostrongylinae . Synlophe well developed with pointed ridges; in midbody axis of orientation of ridges passing through ventral right and dorsal left sides inclined about 65 ° from sagittal axis in anterior body, lacking clear orientation in mid and hind body. Ventral ridge 5’ hypertrophied anteriorly. Bursa asymmetrical with larger left lobe. Dorsal ray divided distal to level of branching of rays 8 from dorsal trunk. Parasites of hydromyine murids [ 30].

Figures

Figure 1. Genus Melomystrongylus Smales, 2009. Body sections. A–D Melomystrongylus sepikensis Smales, 2009. A, B within proximal body. A male, B female; C, D at midbody. C male, D, female. E–H Melomystrongylus somoroensis Smales & Heinrich, 2010. E, F within proximal body. E male, F female. G, G’ at midbody, male. H female “at posterior end of midbody” (sic). Sources: A–D redrawn from [30]. E–H redrawn from [45]. G’ modified figure, reversed on its frontal axis with respect to the original.