Quediellus debilis (Horn, 1878), comb. res.

Figs 5C, D, 8K-Q, 9H, I, 11E (map), 12

Quedius debilis Horn, 1878: 156, 165.

Quediellus debilis; Casey 1915 (redescription).

Quediellus helenae Casey, 1915: 403 syn. nov.

Quediellus humilis Casey, 1915: 403 syn. nov.

Quediellus nanulus Casey, 1915: 402 syn. nov.

Quedius (Raphirus) debilis; Smetana 1971 (redescription); Brunke et al. 2021 (phylogeny, as Q. nanulus).

Type locality.

California (unknown locality), United States.

Type material.

Lectotype (female, MCZ, examined digitally): ‘Cala’ [white typed label] / Q. debilis H. [handwritten label] / Type 7270 [red label].

The female lectotype of this species is a classic example of the ‘debilis’ morphotype (see below): a larger specimen with elytra at sides much longer than pronotum at midline, elytra at apex wider than pronotum.