Gongylonema neoplasticum Ditlevsen 1918

• Main Author: Spratt, David M.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2023
• Subjects: Biodiversity; Taxonomy; Animalia; Nematoda; Secernentea; Spirurida; Gongylonematidae; Gongylonema; Gongylonema neoplasticum; Rattus rattus
• Online Access: https://doi.org/10.5281/zenodo.7624105; http://treatment.plazi.org/id/039587DFFF9AFFABFF68FAAEFA9AB0E0

Gongylonema neoplasticum (Fibiger & Ditlevsen, 1914), Ditlevsen, 1918 Gongylonema neoplasticum (Fibiger & Ditlevsen, 1914) Ditlevsen, 1918, Pp. 1–28. Pl. I–IV, XXVI. Type host. Rattus norvegicus (Berkenhout) (Rodentia: Muridae) (Norway rat). Type locality. Dorpat (now Tartu), Estonia. Site of infection. Squamous mucosa of cardiac stomach or oesophagus. Additional hosts. Rattus rattus (Linnaeus) (Rodentia: Muridae) (black rat), Mus musculus Linnaeus (Rodentia: Muridae) (house mouse). Material examined. NT: from Rattus rattus Darwin 2 ♂♂, 1 ♀, 1 ♀ anterior, 1 ♀ posterior fragment (AHC 49248); 2 ♂♂, 1 ♀, 1 ♀ anterior, 1 ♀ posterior fragment (QM G240165); 1 ♂, 1 ♂ anterior fragment, 1 ♀ anterior, 1 ♀ posterior (N5498). Qld: from Rattus sp. Townsville, 1 ♂, 2 ♀♀ (GL11601). From Mus musculus Townsville, 1 ♀ in two fragments (GL 11606). Description General: Nematodes with marked sexual dimorphism, cuticular bosses present on anterior end, sparse in males, not so in females, prominent transverse cuticular striae present. Cephalic end with 2 cuticular plates at margins of buccal opening; buccal capsule present. Oral opening elongated dorso-ventrally, 6 small lateral lips, 3 on each side of opening, 2 interlabia in dorso-ventral axis, ventral interlabia bifurcated. Two pairs of internal labial papillae, 2 pairs of cephalic papillae and 2 large lateral amphids with transverse slit-like openings. Deirids situated anteriorly near origin of lateral alae. Oesophagus long, divided into anterior muscular and posterior glandular regions. Male: Total length 9.3 (8.4–9.6) mm. Maximum width 138 (114––59). Cuticular bosses sparse anteriorly, extending 322 (168–583) from anterior end. Buccal capsule 51 (47–54) long, 16 (15–18) wide. Deirids 101 (87– 114) from anterior end. Lateral alae present entire body length, widening posteriorly to form asymmetric caudal alae, right wider than left, extending to tail tip. Nerve ring 156 (125–177) and excretory pore 312 (270–333) from anterior end. Muscular oesophagus 343 (302–408) long, ...