TWO NEW SPECIES OF RHABDIAS (NEMATODA: RHABDITIDA: RHABDIASIDAE) IN ANURAN HOSTS FROM DEHRADUN (UTTARAKHAND), INDIA

Rhabdias himalayanus n. sp. from the lungs of Duttaphrynus himalayanus and Rhabdias dehradunensis n. sp. from the lungs of Nanorana minica from Dehradun, India are described and figured. Of the 3 previously described Indian species, Rhabdias himalayanus n. sp. is most similar to Rhabdias shortii in having a cylindrical corpus, inflated cuticle, and conical tail; it differs from R. shortii in having greater body measurements, longer esophagus, larger eggs, and a different pattern of cuticle inflation at the vulva and tail region. Rhabdias dehradunensis n. sp. is most similar to Rhabdias bulbicauda in that both possess a swollen posterior end; it differs from R. bulbicauda by having a subterminal anus, a prominent tail, and a postequatorial vulva.