Smales L R
Department of Biology, University of Central Queensland, Rockhampton, Australia.
J Parasitol. 1994 Aug;80(4):638-43.
Lasiorhinus krefftii, the northern hairy-nosed wombat, is a rare and endangered marsupial existing as a single population in the Epping Forest National Park, Queensland, Australia. Dissection of a juvenile wombat that had died from natural causes revealed the presence in the colon of a new species of Oesophagostomoides Schwartz, 1928, a genus found only in wombats (Vombatidae, Marsupialia). Oesophagostomoides eppingensis n. sp. differs from the other species in the genus in the length of spicule, form of the dorsal ray, length of the vagina, and proportions of the female's posterior end. Morphological similarities between species suggest that there may have been switching of the species of Oesophagostomoides between L. krefftii and Vombatus ursinus (the common wombat). The potential contribution of colon parasites to the energy budget of wombats may be of importance when determining conservation management strategies for L. krefftii.
北毛鼻袋熊（Lasiorhinus krefftii）是一种珍稀濒危的有袋动物，仅在澳大利亚昆士兰州的埃平森林国家公园以单一群体形式存在。对一只自然死亡的幼年袋熊进行解剖后发现，其结肠内存在一种1928年施瓦茨发现的新种类圆线虫属（Oesophagostomoides）线虫，该属仅在袋熊（袋熊科，有袋目）中发现。埃平类圆线虫（Oesophagostomoides eppingensis）新种在交合刺长度、背肋形态、阴道长度以及雌性后端比例等方面与该属其他物种不同。物种间的形态相似性表明，类圆线虫属物种可能在北毛鼻袋熊和袋熊（普通袋熊）之间发生了转换。在确定北毛鼻袋熊的保护管理策略时，结肠寄生虫对袋熊能量预算的潜在影响可能至关重要。
