Beetles Identification Guide

20
Elytra with longer setae slightly raised and not conspicuous. Eye
hemispherical, longer, less prominent (Fig. 67). [Length of body 2.0—
3.0 mm] ....................................................... Cryptophagus cellaris (p.80)
9(4) Pronotum wider across anterior angles rather than across lateral teeth
(Fig. 68). [Length of body 1.9—2.8 mm] ...............................................
............................................................... Cryptophagus acutangulus (p.80)
Pronotum wider across lateral teeth rather than across anterior angles
(Figs. 69—74) .......................................................................................10
10(9) Pronotum with lateral margins markedly sinuate, concave in front of
lateral teeth, convex behind (Fig. 69). [Length of body 2.0—2.5 mm;
habitus Fig. 187] ............................................. Cryptophagus varus (p.85)
Pronotum with lateral margins not sinuate or only slightly so (Figs. 70—
74) .........................................................................................................11
11(10) Pronotum with anterior angle drawn out into fine point posteriorly (Fig.
61) .........................................................................................................12
Pronotum with anterior angle not drawn out posteriorly (Fig. 62) ....13
12(11) Pronotum with lateral margins slightly convergent toward base (Fig. 70).
Integument of elytra usually blackish with yellowish to reddish marks,
particularly at shoulders and near apex. [Length of body 2.2—2.8 mm]
....................................................................Cryptophagus obsoletus (p.82)
Pronotum with lateral margins distinctly convergent toward base
(Fig. 65). Integument of elytra usually uniformly reddish brown.
[Length of body 2.0—3.2 mm] .................... Cryptophagus pilosus (p.82)
13(11) Elytra with setae unequal in length, longer setae slightly raised and
arranged in longitudinal rows. Eye longer, hemispherical (Fig. 67).
[Length of body 2.0—3.0 mm] ................... Cryptophagus cellaris (p.80)
Elytra with setae subequal in length. Eye smaller, slightly conical (Figs.
71—74) .................................................................................................14
14(13) Punctation on pronotum sparser, separated by diameter of one puncture
or more (Fig. 71). Length of body 1.5—1.8 mm ....................................
................................................................. Cryptophagus scutellatus (p.84)
Punctation of pronotum denser, separated by less than diameter of one
puncture (Fig. 72). Length of body 2.0—3.0 mm ..............................15
15(14) Integument of body bicolorous dorsally; head, pronotum, and base of
elytra reddish, and rest of elytra blackish. [Length of body 2.0—2.8
mm] ............................................................ Cryptophagus scanicus (p.83)
Integument of body unicolorous dorsally, reddish to reddish brown .....
...............................................................................................................16