Schizocoleus subtilis Yan & Strelnikova, 2025

Yan, Evgeny V., Felker, Anastasia S. & Strelnikova, Olesya D., 2025, Early Triassic beetle fauna (Insecta: Coleoptera) from the Eastern Siberian locality Alisa quarry showing late Permian taxa composition, Zootaxa 5715 (1), pp. 494-518 : 512

publication ID	https://doi.org/10.11646/zootaxa.5715.1.43
publication LSID	lsid:zoobank.org:pub:C76E94AD-EBC7-4B74-A9F8-F168F35BCEEE
DOI	https://doi.org/10.5281/zenodo.17888929
persistent identifier	https://treatment.plazi.org/id/E13FD414-173F-D30E-4C8A-FF697808FD69
treatment provided by	Plazi
scientific name	Schizocoleus subtilis Yan & Strelnikova
status	sp. nov.

Treatment

Schizocoleus subtilis Yan & Strelnikova , sp. nov.

urn:lsid:zoobank.org:act:

( Fig. 9 View FIGURE 9 )

Material. Holotype — PIN, No. 5890/11, part and counterpart of right elytron.

Locality and horizon. Alisa locality, Nidym Formation, Lower Triassic.

Diagnosis. Asymmetrical base with weak scutellar incision; epipleuron wide around humerus at 1/5 of elytron`s proximal lenth, then abruptly narrows towards the apex; interlocking longitudinal protrusion narrow (“schiza”), long, makes 3.5 of elytral length, lies closely to elytron`s midwidth.

Description. Elytron carinated; weakly narrows from the base; apex asymmetrical, pointed. Epipleural margin obliquely narrows toward the apex at elytron`s distal third; sutural margin weakly curved. Humeral bulge weakly defined.

Measurements (in mm). Elytral length 6.4, width 2.

Etymology. After Latin “ subtilis ” meaning “small”, due to elytron`s moderate size.

Comparison. Asymmetrical base with weak scutellar incision. Interlocking longitudinal protrusion narrow (“schiza”), long, makes 3.5 of elytral length, lies closely to elytron`s midwidth.