| description of a new species of heligmosomoides (nematoda: heligmosomidae) parasitic in microtus limnophius (rodentia: cricetidae) from rangtang, sichuan, china. | heligmosomoides craigi n. sp. (nematoda: heligmosomoidea) is described from microtus limnophilus büchner, 1889 (rodentia: cricetidae) from rangtang, sichuan, china. it is related to h. protobullosus asakawa, 1987 and h. longispiculum tokobaev & erkulov, 1966 both parasites of microtus spp. from japan and ussr, respectively by the following features: a ratio of spicule length/body length of more than 45% and rays 9 shorter than rays 10. the new species is differentiated by rays 8 being closed to ... | 2010 | 20387734 |