Revision of the genus Exochomoscirtes Pic (Coleoptera: Scirtidae: Scirtinae) 2598 Author Ruta, Rafał Author Yoshitomi, Hiroyuki text Zootaxa 2010 2010-08-31 2598 1 1 80 https://biotaxa.org/Zootaxa/article/view/zootaxa.2598.1.1 journal article 10.11646/zootaxa.2598.1.1 1175­5334 B7D2F686-CE7A-42AE-8395-4527E587C565 Key to genera related to Scirtes based on the larvae 1 Segment 4 of maxillary palpus long, about as long as segment 3; terminal tooth of mandible obtuse. Habitat: puddle and small pond in forest, phytotelmata .......................................................................................................... Ora Clark -. Segment 4 of maxillary palpus short (about 0.3 times as long as segment 3) or absent; terminal tooth of mandible pointed .......................................................................................................................................................................... 2 2. Labrum relatively transverse, ventral lobes moderately projecting; terminal tooth of mandible bi- or multicornuted; anterior margin of tergite 9 projecting anteriorly in the middle. Habitat: pond, marsh ........................... Scirtes Illiger -. Labrum as long as wide, ventral lobes distinctly projecting; terminal tooth of mandible simply pointed; anterior margin of tergite 9 evenly arcuate. Habitat: phytotelmata ............................................................. Exochomoscirtes Pic