Foleyellides

Romero-Mayén, Angeles R. & León-Règagnon, Virginia, 2016, A new species of Foleyellides (Nematoda: Onchocercidae) parasite of Lithobates spp. (Amphibia: Ranidae) from Mexico with a key for the species of the genus, Zootaxa 4170 (3), pp. 581-586 : 585

Key of the species of the genus Foleyellides spp. in the world

1 Cuticularized pre-cloacal plaque present................................................................... 2

1’ Cuticularized pre-cloacal plaque absent................................................................... 7

2 Unpaired pre-cloacal papillae present...................................................................... 3

2’ Unpaired pre-cloacal papillae absent......................................................................4

3 Body size larger than 11 mm .......................................................... Foleyellides flexicauda

3’ Body size smaller than 11 mm ........................................................ Foleyellides malayensis

4 With 4 pairs of caudal papillae............................................................ Foleyellides striatus

4’ With more than 4 pairs of caudal papillae.................................................................. 5

5 Right spicule larger than 400 µm...................................................... Foleyellides americana

5’ Right spicule smaller than 400 µm........................................................................ 6

6 7–8 pairs of caudal papillae............................................................... Foleyellides ranae

6’ 5 pairs of caudal papillae............................................................... Foleyellides rhinellae

7 Four pairs of caudal papillae............................................................................ 8

7’ More than 4 pairs of caudal papillae....................................................................... 9

8 Left spicule size 168–220µm........................................................ Foleyellides dolichoptera

8’ Left spicule size 100–120µm............................................................ Foleyellides duboisi

9 Five pairs of caudal papillae...................................................... Foleyellides mayenae n. sp.

9’ More than 5 pairs of caudal papillae..................................................................... 10

10 All pairs of caudal papillae post—cloacal.............................................. Foleyellides brachyoptera

10’ 2 pre-cloacal and 4 post-cloacal pairs of caudal papillae....................................... Foleyellides confusa