Taxonomy
- Polyphaga
- Chrysomeloidea
- Chrysomelidae
- Cassida
- Cassida denticollis
Description
Size: 5.1-7.0mm
Basic colour: Green
Pattern colour: Brownish-red around the scutellum. Central epimere black.
Number of spots: None
Other colour forms: Sometimes
Pronotoum: Green
Leg colour: Yellowish
Confusion species: Cassida prasina
, Confusion species: Cassida sanguinosa
Basic colour: Green
Pattern colour: Brownish-red around the scutellum. Central epimere black.
Number of spots: None
Other colour forms: Sometimes
Pronotoum: Green
Leg colour: Yellowish
Confusion species: Cassida prasina
, Confusion species: Cassida sanguinosa
Biology
Status: Endangered (RDB1), very scattered (S. England, SW Scotland, possibly S. Wales)
Habitat: Roadside verges, water meadows, and by rivers.
Host plant: Yarrow (Achillea millefolium)
Overwintering: Unknown location, but adults do overwinter.
Food: Yarrow
Other notes: Similar to C. prasina and C. sanguinosa. Narrow deep dent at the front of the labrum. Near each hind angle of the pronotum, the rear edge bears a definite tooth, and the edge between these teeth is clearly black. The front edges of the elytra between the scutellum and shoulders is also black with a series of strong blunt teeth. There may be faint to medium brown darkening along the front edge of the elytra and around the scutellum, sometimes extending along the elytral suture.
Habitat: Roadside verges, water meadows, and by rivers.
Host plant: Yarrow (Achillea millefolium)
Overwintering: Unknown location, but adults do overwinter.
Food: Yarrow
Other notes: Similar to C. prasina and C. sanguinosa. Narrow deep dent at the front of the labrum. Near each hind angle of the pronotum, the rear edge bears a definite tooth, and the edge between these teeth is clearly black. The front edges of the elytra between the scutellum and shoulders is also black with a series of strong blunt teeth. There may be faint to medium brown darkening along the front edge of the elytra and around the scutellum, sometimes extending along the elytral suture.
Articles
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(2013), Cassida denticollis Suffrian (Chrysomelidae) in Buckinghamshire and Gloucestershire The Coleopterist 22(1):26
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(1997), Cassida denticollis Suffrian (Chrysomelidae) in Sussex The Coleopterist 6(2):52