Mudwigglus Leduc, 2013

Holovachov, Oleksandr, 2017, Belgopeltula belgica (Vincx & Gourbault, 1992) gen. et comb. nov. and Mudwigglus micramphidium sp. nov. from the west coast of Sweden, and reappraisal of the genus Pseudaraeolaimus Chitwood, 1951 (Nematoda: Araeolaimida: Diplopeltidae), European Journal of Taxonomy 383, pp. 1-21 : 12

Key to species of Mudwigglus Leduc, 2013

See Table 2 for additional diagnostic characters.

1. Gubernaculum apophysis absent ...................................................................................................... 2

– Gubernaculum apophysis present ..................................................................................................... 3

2. Amphid length/width ratio 3.5; spicules 23–25 µm long .............. M. macramphidium Leduc, 2013

– Amphid length/width ratio 2.2; spicules 15 µm long ............................ M. micramphidium sp. nov.

3. Tail conoid with clavate tip; c’-ratio> 3 ........................................................................................... 4

– Tail cylindrical with bluntly rounded tip; c’-ratio <3 ...................................................................... 5

4. Males with one precloacal setae and two tubular supplements .................. M. plebeius Leduc, 2013

– Males with one or two precloacal setae, tubular supplements absent ................................................. .............................................................................................. M. minutus ( Vitiello, 1972) comb. nov.

5. Body longer than 0.7 mm; spicules 31–37 µm; vagina oblique .............. M. patumuka Leduc, 2013

– Body shorter than 0.4 mm; spicules 16–23 µm; vagina perpendicular .............................................. ................................................................................................ M. nellyae ( Vincx & Gourbault, 1992)