Microtendipes Kieffer (Fig. 86)

Head capsule brownish with dark brown occipital margin. Antenna 6-segmented, Lauterborn organs alternate on segments 2 and 3. Premandible with 3 ( pedellus - type) or 5 (rydalensis - type) teeth. Mandible with pale dorsal tooth, apical tooth and 3 inner teeth darkly pigmented. Median tooth of mentum trifid, pale or as dark as rest of mentum; central tooth either very small, so median tooth appears to consists of two teeth ( pedellus - type), or about the same size as outer medians (rydalensis - type); 6 pairs of lateral teeth, while first and second laterals fused. Ventromental plates narrow and strongly curved and coarsely striated on upper half.

Remarks: The mentum with 3, usually pale, median teeth and mandible with 3 inner teeth are distinctive. Superficially similar genera Omisus and Paratendipes have 4 median mental teeth. In comparison with Stictochironomus the first lateral tooth of mentum is not lower than second.

Only Microtendipes chloris (Meigen, 1818), belonging to the pedellus species group is known form the Tatra Mts. lakes. Subfossil remains belonging to one morphotype were found in the lakes situated at lower altitude in sub-alpine zone.