Liocyrtusa, Daffner, 1982

Peck, Stewart B. & Cook, Joyce, 2013, Systematics and distributions of the genera Cyrtusa Erichson, Ecarinosphaerula Hatch, Isoplastus Horn, Liocyrtusa Daffner, Lionothus Brown, and Zeadolopus Broun of the United States and Canada (Coleoptera: Leiodidae: Leiodinae: Leiodini), Insecta Mundi 2013 (310), pp. 1-32 : 10

Key to species of Liocyrtusa of the continental United States and Canada

1. Basal margin of abdominal sternites III-VII with a transverse row of large, deep punctures ... ................................................................................................................... L. stephani Daffner

– Basal margin of abdominal sternites III-VII without large, deep punctures ............................. 2

2(1). Punctures of elytral striae usually distinct up to base of pronotum; interval punctures smaller than strial punctures. Metatibia uniformly widened from base to apex; apex 3 times as wide as base .......................................................................................................... L. luggeri (Hatch)

– Punctures of elytral striae clearly separated only in posterior half; interval punctures as large as strial punctures at the base. Metatibia narrow, apical half 2 times as wide as base .......... .................................................................................................. L. nigriclavis (Hlisnikovsky)