Sensu Moller Pillot, 1984b
Body
Large larvae up to 11 mm long. Living larvae are orange to dark red. No lateral and ventral tubules. Procercus and anal tubules present (Wiederholm, 1983; Moller Pillot, 1984a).
Head
The clypeus is separate from the frontal apotome. A subapical pit is absent and labral sclerite 1 are absent.
Antenna
The antenna consists of 6 segments. The blade is much longer than the flagellum. Lauterborn organs alternate on the second and third segment Microt antenna.
Mentum
The mentum has 2 large yellow median teeth and 6 pairs of brown lateral teeth Microt mentum. A minute central tooth may be present. The ventromental plates are narrow and strongly curved about 0.6-0.8x as wide as the mentum.
Labrum
SI is plumose on both sides and labral lamellae a single plate with 19-28 distal teeth (Moller Pillot, 1984a).
Mandible
The mandible with a pale dorsal tooth, one apical and 3 inner teeth. The pecten mandibularis is present and seta interna with 4 toothed and plumose branches.
Differential characteristics
The combination of 2-3 mid-mental teeth Microt mentum, alternating Lauterborn organs Microt antenna and the absence of tubules on segment 10 is distinctive for the genus.
M. chloris agg. differs from the other Microtendipes by the 2 large median teeth and labral lamellae with 19 - 28 teeth.