Digiani M C, Durette-Desset M C
Laboratoire de Biologie Parasitaire, Protistologie et Helminthologie, et CNRS FR63, Muséum National d'Histoire Naturelle, 61, rue de Buffon, 75231 Paris, France.
Parasite. 2003 Mar;10(1):21-9. doi: 10.1051/parasite/2003101p21.
Two new species of Nippostrongylinae, Hassalstrongylus puntanus n. sp., and Stilestrongylus franciscanus n. sp. are described from the intestine of the grey leaf-eared mouse Graomys griseoflavus (Waterhouse, 1837) (Sigmodontinae) from the Province of San Luis, Argentina. Hassalstrongylus puntanus n. sp. is distinguished from the most closely related species H. dollfusi (Díaz-Ungría, 1963), a parasite of Mus musculus from Venezuela by longer rays 2, shorter rays 4, proximal half of the dorsal ray non-enlarged and a non-retractile female tail. Stilestrongylus franciscanus n. sp. is distinguished from the most closely related species S. flavescens Sutton & Durette-Desset, 1991, a parasite of Oryzomys flavescens from Argentina, by rays 2 and 3 diverging separately from common trunk of rays 2 to 6, and by right ray 3 arising from this trunk more distally than ray 6. Stilestrongylus azarai Durette-Desset & Sutton, 1985, a parasite of Akodon azarae from Buenos Aires, Argentina, was also found parasitizing G. griseoflavus, representing new host and locality records. Some additional morphological data for this species are also provided.
从阿根廷圣路易斯省的灰叶耳鼠（Graomys griseoflavus (Waterhouse, 1837)，鼠亚科）肠道中描述了新杆线虫亚科的两个新物种，即蓬塔努斯哈氏线虫（Hassalstrongylus puntanus n. sp.）和弗朗西斯卡努斯斯蒂氏线虫（Stilestrongylus franciscanus n. sp.）。蓬塔努斯哈氏线虫与关系最密切的物种——来自委内瑞拉小家鼠的多尔富西哈氏线虫（H. dollfusi (Díaz-Ungría, 1963)）不同，其特征在于射线2更长，射线4更短，背射线近端半部不膨大，雌性尾部不可回缩。弗朗西斯卡努斯斯蒂氏线虫与关系最密切的物种——来自阿根廷黄褐稻鼠的黄褐斯蒂氏线虫（S. flavescens Sutton & Durette-Desset, 1991）不同，其特征在于射线2和3从射线2至6的共同主干分别分出，且右侧射线3从该主干分出的位置比射线6更靠远端。还发现了1985年描述的阿扎拉伊斯蒂氏线虫（Stilestrongylus azarai Durette-Desset & Sutton），它是来自阿根廷布宜诺斯艾利斯阿扎拉稻鼠的寄生虫，也寄生于灰叶耳鼠，代表了新的宿主和地点记录。还提供了该物种的一些额外形态学数据。
