Schistoglossa

Klimaszewski, Jan, Webster, Reginald & Savard, Karine, 2009, First record of the genus Schistoglossa Kraatz from Canada with descriptions of seven new species (Coleoptera, Staphylinidae, Aleocharinae), ZooKeys 22 (22), pp. 45-79 : 52

Key to species of Schistoglossa occurring in Canada

1 Antennal articles 6–10 slightly to strongly transverse (Figs 1–5) ................. 2

– Antennal articles 6–10 slightly to strongly elongate (Figs 6–8).................... 6

2 Elytra short and strongly transverse (Figs 3–5) ........................................... 3

– Elytra slightly elongate (Figs 1–2) .............................................................. 5

3 Eyes streamlined and not protruding from contour of head, postocular area about three times maximum diameter of eye (Fig. 5); male tergite 8 slightly emarginate apically and slightly crenulate (Fig. 47); apex of median lobe of aedeagus slightly produced ventrally (Figs 45, 46); spermatheca S-shaped (Fig. 49)........................................... S. hampshirensis Klimaszewski , sp. n.

– Eyes slightly protruding from contour of head, postocular area from two to two and a half times maximum diameter of an eye (Figs 3, 4) .................... 4

4 Body length 1.8–2.1 mm; male tergite 8 with strongly concave apical margin and irregularly crenulate (Fig. 37); apex of median lobe of aedeagus strongly produced ventrally (Fig. 35); spermatheca S-shaped (Fig. 39) ....................... .................................... S. brunswickensis Klimaszewski & Webster, sp. n.

– Body length 2.7–2.9 mm; male tergite 8 with slightly concave apical margin and regularly crenulated (Fig. 28); apex of median lobe of aedeagus slightly produced ventrally (Fig. 27); spermatheca L-shaped (Fig. 30) ....................... .................................. S. pseudocampbelli Klimaszewski & Webster, sp. n.

5 Maximum width of pronotum distinctly less than width of elytra at shoulders (Fig.1); elytral ratio of maximum length to maximum width 0.7 (Fig. 1); apical margin of tergite 8 with two larger lateral teeth and lacking regular crenulation (Fig. 12); spermatheca L-shaped (Fig. 14)..... S. charlottae Klimaszewski , sp. n.

– Maximum width of pronotum about the same as width of elytra at shoulders (Fig. 2); elytral ratio of maximum length to maximum width 0.8 (Fig. 2); apical margin of male tergite 8 with two larger lateral teeth and regular crenulation (Fig. 20); spermatheca S-shaped (Fig. 22) ............. S. campbellii Klimaszewski sp. n.

6 Body length 2.8–3.0 mm, elytra broadening posteriorly (Fig. 7); median lobe of aedeagus and spermatheca as illustrated (Figs 61, 62, 65) ......................... ............................................................... S. carexiana Klimaszewski , sp. n.

– Body length 2.3–2.5 mm, elytra subparallel (Figs 6, 8) .............................. 7

7 Elytra as long as pronotum at suture (Fig. 6); postocular area approximately as long as three times maximum diameter of eye seen from above (Fig. 6); median lobe of aedeagus with slightly sinuate venter of tubus and narrowly elongate apex (Fig. 54); spermatheca with capsule lacking invagination (Fig. 57).................................... S. sphagnorum Klimaszewski & Webster, sp. n.

– Elytra longer than pronotum at suture (Fig. 8); postocular area approximately as long as two times maximum diameter of eye seen from above (Fig. 8); median lobe of aedeagus with strongly sinuate venter of tubus and short and blunt apex (Fig. 70); spermatheca with capsule bearing large invagination (Fig. 73)....................................... S. blatchleyi (Bernhauer & Scheerpeltz)