Desmicola Basir, 1956

Sokolova, Elena A., 2019, Desmicola lamdongensis sp. n. (Oxyuridomorpha: Thelastomatidae) from Vietnamese wood-burrowing cockroaches (Panesthiinae), Zootaxa 4679 (1), pp. 87-96 : 95

Key to females of the species of Desmicola Basir, 1956

1. Parasites of diplopods or cetoniid beetles, body length> 2 mm ................................................. 2

- Parasites of other invertebrate hosts, body length usually ≤ 2 mm ............................................... 6

2. Interlabial formations present........................................................................... 3

- Interlabial formations absent............................................................................ 4

3. Interlabial formations in the form of small cuticular outgrowths.............................. D. leidyi ( Skrjabin, 1916)

- Interlabial formations in the form of dichotomous coral-like branched appendages....................................................................................... D. kinabaluensis Hugot, Morand & Van Waerebeke, 1991

4. Anterior surface of lips with 8 cuticular bulges (2D+3SV+3SV) 1 ................................................ 5

- Anterior surface of lips with finger-like cuticular ornamentations......................... D. skrjabini Adamson, 1984

5. Amphids horseshoe-shaped............................................... D. moramangi ( Van Waerebeke, 1969)

- Amphids snail-shaped.................................... D. nhatrangensis Hugot, Morand & Van Waerebeke, 1991

6. Parasites of earthworms......................................... D. danieli ( Spiridonov & Ivanova, 1998) n. comb.

- Parasites of cockroaches................................................................................ 7

7. Four hour-glass-shaped ornamentations on lips (2D+1SV+1SV); interlabially, large double tipped, fang-like structures present............................................................ D. ornata Jex, Schneider, Rose & Cribb, 2005

- Tiny circular protrusions along the margin of each lip, 6 labial papillae (2D+2SV+2SV); 3 single setiform sensilla between mouth corners....................................................................... D. lamdongensis sp. n.