Photo © Mike Wall

Dotted Border

Agriopis marginaria

Checklist Number
70.255 [B&F: 1934]

Verification
Record will be accepted (subject to date and location checks)

Classification

Family:Geometridae
Subfamily:Ennominae
Genus:Agriopis
Species:marginaria
Authority:(Fabricius, [1777])

Common in woodland, scrub, hedgerows, gardens, heathland and moorland throughout the British Isles. Widespread and common in Hampshire and on the Isle of Wight. Wingspan male 36-42 mm, female flightless; principal confusion species are Mottled Umber Erannis defoliaria, which lacks row of dark spots on termen, and Scarce Umber A. aurantiaria, which differs in wing shape and is always golden yellow; Dotted Border ab. fuscata is plain brown. Larva feeds on various broad-leaved trees and shrubs, including Pedunculate and Sessile Oak, Hawthorn, Blackthorn, Downy and Silver Birch, Hazel, Willow, Elm, Sycamore, Apple, Plum and Heather, 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)