Camino Nora Beatriz, de Villalobos Cristina
Investigador CIC Comisión de Investigaciones Científicas de la Provincia de Buenos Aires, La Plata, Argentina.
Acta Parasitol. 2012 Mar;57(1):61-6. doi: 10.2478/s11686-012-0002-0. Epub 2012 Feb 25.
A new species of the genus Hammerschmidtiella, H. eltalaensis sp. nov. parasitizing a brown cockroach Periplaneta brunnea Burmeister from El Tala river, Catamarca, Argentina, is described and illustrated. It is characterized by having the cuticle striated, without lateral alae, mouth with three toothed lips and eight labial papillae, amphids small and pore shaped, buccal capsule short, wide, with four mobile teeth, oesophagus with metacorpus valvate, isthmus cylindrical and thin surrounded by nerve ring, and a rounded basal bulb heavily muscled and valvate, the vulva is slightly protruding and lies in the anterior third of the body, didelphic, prodelphic, eggs small and elongate, the male with one spicule, without gubernaculum, the genital papillae arranged in one pair of small preanal papillae, and two postanal papillae, one pair is the base of the tail appendage. Tail appendage very long, thin, and reaching almost one third of the length of the body in the female. In the male the posterior end of the body abruptly truncated posterior to anus with spine-like long tail appendage.
描述并图示了哈默施密德氏属（Hammerschmidtiella）的一个新物种——埃尔塔拉哈默施密德氏线虫（H. eltalaensis sp. nov.），它寄生于来自阿根廷卡塔马卡省埃尔塔拉河的棕色蟑螂褐斑大蠊（Periplaneta brunnea Burmeister）。其特征为角质层有条纹，无侧翼，口部有三个具齿唇和八个唇乳头，头感器小且呈孔状，口囊短而宽，有四个可活动齿，食管有具瓣膜的中体，峡部圆柱形且细，被神经环包围，基部球圆形，肌肉发达且具瓣膜，阴门稍突出，位于身体前三分之一处，双子宫，前双子宫型，卵小且细长，雄性有一个交合刺，无引带，生殖乳头排列为一对小的肛前乳头和两个肛后乳头，其中一对是尾附器的基部。雌性的尾附器非常长且细，几乎达到身体长度的三分之一。雄性身体后端在肛门后方突然截断，有棘状长尾附器。
