Photo © Keith Tailby

Gem

Nycterosea obstipata

Checklist Number
70.047 [B&F: 1720]

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:Nycterosea
Species:obstipata
Authority:(Fabricius, 1794)

Immigrant from southern Europe, appearing mainly in southern Britain, with occasional records north to the Orkneys, in some years arriving in sufficient numbers to breed. In Hampshire and on the Isle of Wight a common immigrant, which is widely distributed throughout in some years. Wingspan 18-21 mm. Highly sexually dimorphic. Larva feeds on the leaves of various herbaceous plants, although the exact plant species utilised in the United Kingdom is unknown, but unable to over-winter in significant numbers.

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)