Length: 1.8-2.2mm.  Basic colour: black.  Pattern: none, or paler strip at rear of elytre.  Number of spots: 0. Pronotum: reddish-brown with black patch at base (male); black (female).  Head colour: reddish-brown (male); black (female).  Leg colour: reddish-brown.  Other features: hairy; reddish-brown antennae and mouthparts.

Length: 2-2.3mm.  Basic colour: black.  Pattern: hind margin of elytra reddish-brown.  Number of spots: 0. Pronotum: black (with reddish-brown margin in males).  Head colour: reddish-brown (male), black (female).  Leg colour: reddish-brown.  Other features: hairy; tip of abdomen reddish-brown.

Length: 2.5 - 3.5mm.  Basic colour: pale to dark brown.  Pattern: variable, but often with dark U-shaped mark towards end of elytra.  Number of spots: 0. Pronotum: pale to dark brown.  Head colour: pale to dark brown.  Leg colour: pale to dark brown.  Other features: hairy; long antennae; prosternal keel has parallel-sided central section.

Length: 2.5-3.5mm.  Basic colour: black.  Pattern: four orangey-red spots.  Number of spots: 4. Pronotum: black with cream anterior margin.  Head colour: black and red.  Leg colour: reddish-brown with black femora.  Other features: hairy; tibia broad, paddle-shaped; head pale (male), black (female).

Length: 1.3-2.3mm.  Basic colour: black.  Pattern: two elongate reddish-brown ill-defined patches, which are variable in shape.  Number of spots: 2. Pronotum: black.  Head colour: black.  Leg colour: light to dark brown.  Other features: hairy.