Sermylassa halensis
4.4 to 7.0mm. Elytra metallic green or blue, occasionally coppery, with dense, moderately coarse puncturation. Head and pronotum yellowish brown with a dark spot on the top of the head. Pronotum smooth and shiny, rectangular, twice as wide as long with two large depressions. Legs yellowish-brown apart from tarsi and tips of tibia which are darker. Antennae dark.
On bedstraws (Galium) or, more rarely, calamints (Clinopodium)
March to November.
Eggs laid at base of the hostplant in summer overwinter before the larvae develop and pupate in spring. Adults emerge in the summer, feeding on foliage. Some adults may overwinter in mild localities.
Widespread and frequent in England and Wales. Very local in Scotland and Ireland.
Frequent. There were 27 records in VC55 to the end of spring 2015.
Annie Smith
Ketton Quarry
12 September 2017
Annie Smith
Charnwood Lodge NR
24 August 2017
Annie Smith
Charnwood Lodge NR
24 August 2017
Kate Nightingale
Charnwood Lodge
12 August 2013
Annie Smith
Charnwood Lodge NR
24 August 2017
Craig Mabbett
Beacon Hill Upper Car Park
23 September 2017
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Yellow squares = NBN records (all known data)
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Species profile
- Species group:
- Beetles
- Kingdom:
- Animalia
- Order:
- Coleoptera
- Family:
- Chrysomelidae
- Records on NatureSpot:
- 5
- First record:
- 12/08/2013 (Nightingale, Kate)
- Last record:
- 07/08/2020 (Skevington, Mark)
Total records by month
% of records within its species group
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