Paradorylaimus

Orselli, Lara, Clausi, Mirella & Vinciguerra, Maria Teresa, 2012, The genus Paradorylaimus Andrássy, 1969 (Nematoda: Dorylaimida) with description of three new species from Ecuador, Zootaxa 3302, pp. 25-43 : 42

Key to the species of Paradorylaimus

1. Very long female tail (c’ = 50)............................................................. wilhelmshcneideri

- Female tail never longer than 27 anal body diameters......................................................... 2

2. Female tail longer than 17 anal body diameters.............................................................. 3

- Female tail never longer than 16 anal body diameters......................................................... 4

3. L = 1.6–1.7 mm, odontostyle 21.5–24 mm long.................................................. flagellicaudatus

- L = 2.5–3.1 mm, odontostyle 34–36 mm long...................................................... tenuistriatus

4. Odontostyle more than 40 µm long.............................................................. parafecundus

- Odontostyle shorter than 36 µm.......................................................................... 5

5. 18 supplements in male......................................................................... jankowskyi

- Not more than 14 supplements in male..................................................................... 6

6. Cardia with a constriction, male pre-rectum 5.6 anal body diameters...................................... cardiacus

- Cardia normal, male pre-rectum shorter than 4 anal body diameters.............................................. 7

7. Female tail 4–6 anal body diameters long............................................................ vacillans

- Female tail longer than 6 anal body diameters............................................................... 8

8. Female tail 11–16 anal body diameters.......................................................... longicaudatus

- Female tail shorter than 10 anal body diameters.............................................................. 9

9. Advulval papillae present, male tail with a ventral concavity.............................................. andinus

- Advulval papillae absent, male tail ventrally straight.................................................... esquiveli