Photo © Mike Wall
Grass Rivulet
Perizoma albulata
Checklist Number70.137 [B&F: 1807]
Verification
Record will normally be accepted but photo evidence may be required - check with CMR if not sure of identity
Classification
| Family: | Geometridae |
| Subfamily: | Larentiinae |
| Genus: | Perizoma |
| Species: | albulata |
| Authority: | ([Denis & Schiffermüller], 1775) |
Local on calcareous grassland, sand-hills and coastal shingle throughout the British Isles, a species of conservation concern under the UK Biodiversity Action Plan. Local on good quality grassland, particularly on the downs, in Hampshire but quite rare in the Isle of Wight. Wingspan 20-26 mm. Paler than most Perizoma species, and lacking the two dark spots on the sub-terminal fascia of Twin-spot Carpet P. didymata. Larva feeds on seeds of Yellow-rattle, over-wintering as a pupa.
The abundance in each month is indicated as follows:
No records
Very occasional
Irregular
Uncommon
Off-peak, but not unusual
Off-peak, but not unusual
Main flight time| J | F | M | A | M | J | J | A | S | O | N | D | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adult | | | | | | | | | | | | |
| Larval | | | | | | | | | | | | |
Records by week (adult)
Records by week (larval)
