Parvinema, Smales, 2017

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 : 20

3.7 Genus PARVINEMA Smales, 2017 ( Fig. 7 )

Type species: Parvinema bafunminense Smales, 2017 .

Hosts: Muridae , Murinae , Hydromyini ( Rodentia ).

Host site: small intestine.

Distribution: Papua New Guinea.

Other species: Parvinema helgeni Smales, 2017 coparasitic with the type species in Paramelomys lorentzii .

Original diagnosis: Parvinema gen. nov. Heligmonellidae . Nippostrongylinae . Synlophe well developed with 15-17 continuous ridges mid body. Carene (sic) present. Left lateral ridges

largest, larger than right ridges. Axis of orientation from right ventral to left dorsal. Bursa dissymmetrical, left lobe larger, pattern of bursal rays 1-3-1. Dorsal ray divided distally to branching of rays 8. Parasites of murines. Hydromyini, from New Guinea [ 40].

3.7.1 Analysis of data and difficulties encountered

Figures

Figure 7. Genus Parvinema Smales, 2017. Midbody sections. A, B Parvinema bafunminense Smales, 2017. A male, B, B’ female. C, C’ Parvinema helgeni Smales, 2017, male. Source: A–C redrawn from [40]. B’, C’ modified figures with respect to the original: B’ numbering of ridges added. C’ reversed on its frontal axis, then rotated 30° clockwise.