Telotylenchinae. Body medium sized. Lateral field with six lines (eight lines in M.
koreanus, though only six are visible in lateral view). Longitudinal
ridges sometimes present (M. koreanus). Deirids, when present, at
a level where the lateral field has only four lines. Tail medium sized
(c' = 2-4), conoid, never with thickened cuticle in distal portion. Labial
region continuous to slightly offset. SEM face view typically with oval
labial disc surrounded with six-sectored first lip annulus, submedian sectors
somewhat flattened. Labial region annuli interrupted by longitudinal striations
or grooves. Stylet generally medium sized, 20-25 um long, sometimes shorter
(10 um) or longer (up to 40-50 um), cone sometimes needle shaped. Male
spicules without well developed velum, cylindroid, blunt ended. Gubernaculum
not protruding from cloaca.