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The article discusses a study which aims to redescribe Heligmosomoides neopolygyrus from Sichuan Province in central China in Apodemus peninsulae. In June 2004, rodent hosts were collated as part of a French-British-Chinese program. To determine the sex and reproductive status, they were weighed and analyzed in the field. It was noted that the small intestine was preserved in 5-percent formalin and delivered to the Museum national d'Histoire naturelle located in Paris, France a month after collection.

The article focuses on a study describing a new species of Heligmosomoides, an intestinal parasite in Microtus limnophilus, which originates from Rangtang, Sichuan, China. It reports that the specimens were characterized by longitudinal cuticular ridges and poorly developed dorsal ray. It says that H. longicirratus is closely related to the species by the number of cuticular ridges at 20 and 19-22 and the ratio of spicule length/body length at 48% for a male of 6mm and 50% for a male of 5.8mm long. It notes that the species was not illustrated and the female was not described. It adds that the scientists considered the species as new and named it Heligmosomoides craigi in honor of professor Philip Simon Craig.