Tricholeon Esben-Petersen, 1925

Diagnosis. Head capsule with small but prominent ocular tubercles; mandibles gently curved upward, provided with 3 equidistant and relatively large teeth, the apical tooth is the largest; labial palpi four-articulated, segments 2–4 elongated, noticeably longer than the width of the mandible; mesothoracic spiracles sessile; mesonotum with a median tuft of hair-like setae, mesothorax equipped with pedunculated setiferous processes; metathorax with subpedunculated setiferous processes; abdominal setiferous processes sessile; VIII abdominal sternite without odontoid processes; IX abdominal sternite sub-triangular in shape, longer than wide, lacking prominent rastra.