. Bulletin of the Natural History Museum Zoology. Head slightly narrowed, about 5 pm wide at base with 4-5 annules. Amphids not clear. Annules — pm at mid-body. Lateral field with two lines appearing smooth or crenated depending on fine focus; originating at level of spear knobs to two annuli posterior, or pmfrom spear knobs, ending between 25-35% of tail length. Spear fine, especially conus, pm long, knobs small, about pm wide. Excretory pore 61-71 pm from anterior. Oesophagus pm long (n = 2); median bulb ovoid, valve poorly developed, at 45-50% of oesophageal leng


. Bulletin of the Natural History Museum Zoology. Head slightly narrowed, about 5 pm wide at base with 4-5 annules. Amphids not clear. Annules — pm at mid-body. Lateral field with two lines appearing smooth or crenated depending on fine focus; originating at level of spear knobs to two annuli posterior, or pmfrom spear knobs, ending between 25-35% of tail length. Spear fine, especially conus, pm long, knobs small, about pm wide. Excretory pore 61-71 pm from anterior. Oesophagus pm long (n = 2); median bulb ovoid, valve poorly developed, at 45-50% of oesophageal length (n = 2). Vulva sunken. Vagina perpendicular or slightly tilted anteriorly with thickened walls; anterior genital branch 96-113 pm long; spermatheca rounded to ovoid, packed with sperms. Postuterine sac about 5 pm long (n = 2), possibly collapsed in other females. Distance from vulva to anus pm. Tail tip finely rounded to pointed. Males, (n = 3). L = 362 pm (337-379); a = (); b = (); c = (); c' = (); gubernaculum = pm (); spicules = pm (16-17); tail = pm ( )pm. Similar to female. Head narrowed, about 5 pm wide at base with 5 fine annules. Amphids sinuous. Body annules — pm at mid- body. Spear pm long. Oesophagus 71-85 pm long; median bulb ovoid, valve weak, at of oesophageal length. Testis 189-213 pm long, occupying 41-56% of body length. Cloacal lips pronounced; bursa adanal, 27-32 pm long, with smooth margins. Distribution and habitat. Cosmopolitan, occurs in soil, near or in roots; in humus, forest litter and moss. Remarks. The morphometries and morphology agree for the. Fig. 15 Malenchus bryophilus (Steiner, 1914). A, C-G, female. A, oesophageal region; C, tail; D, habitus: E, posterior end of reproductive system: F, G, lateral field at different focal levels. B. H. male. B, head region showing amphid and origin of lateral field in respect of spear knobs; H. sp


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