Key to the British PYROCHROIDAE

For more information on this family click HERE.

Adult key
1.

Pale red or orange, disc of the pronotum dark. Basal angle of the head obtuse, narrower than the width across the eyes.  Male head with a deep depression either side of a median ridge. Female head simple. Elytra with shallow furrows. 7-9mm.

Pronotum and elytra entirely red. Basal angles of the head acute and wider than the width across the eyes. Male head deeply depressed between the eyes, in the female this depression is shallow.  Surface of the elytra smooth; without longitudinal depressions, lateral margins narrowly explanate. 12-20mm.

Schizotus pectinicornis
2.

Head and scutellum black, otherwise vivid red. Male antennae more strongly pectinate. 14-20mm.

Pyrochroa coccinea
 

Entire upper surface red. Male antennae pectinate, female serrate. 12-15mm.

Pyrochroa serraticornis
Larva key

Urogomphi curved.

1.
Schizotus pectinicornis

Urogomphi straight.

2.

Eighth tergite simple.

Pyrochroa coccinea
 

Eighth tergite with a raised transverse ridge near the base.

Pyrochroa serraticornis