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Chalk Carpet
Scotopteryx bipunctaria (Prout, 1937)
Geometridae: Larentiinae
1731 / 70.043
Photo © Julian Francis

Similar Dorset Species: None
Forewing: 15-18mm
Flight: July - August
Foodplant:   Common Bird's-foot-trefoil
Red List: Least Concern (LC)
GB Status: Common
Former Status: Nationally Scarce B
Verification Grade:  Adult: 3

Davey, P., 2009: Local in England, the larva feeding on bird's-foot trefoil (Lotus corniculatus), and trefoils and clovers (Trifolium spp.). In Dorset, this xerothermic species is associated with unimproved herb-rich grassland on well-drained chalky soil downland, particularly where there is rocky or bare earth terrain. It ranges from frequent inland to common along the Jurassic coast. Recommendations for promoting this species on chalk downland SSSI's include setting grazing levels that create short turf regions within the grassland mosaic and to physically create scraped chalk surfaces to provide high-temperature microhabitat for the adults to bask by day.

Retained Specimen / Photograph will be Required.

Recorded in 24 (60%) of 40 10k Squares.
First Recorded in 1902.
Last Recorded in 2019.
(Data up to end 2019)

Latest 5 Records (Data up to end 2019)
Date#VC10k Area
11/09/201929SY67 - Portland / Weymouth
29/08/201919SY39 - Lyme Regis
25/08/201929SY87 - Lulworth coast
21/08/201919SY48 - Burton Bradstock
13/08/201929SY39 - Lyme Regis
Further info: Scotopteryx bipunctaria
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