Photo © Mike Wall

Early Moth

Theria primaria

Checklist Number
70.282 [B&F: 1960]

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

Classification

Family:Geometridae
Subfamily:Ennominae
Genus:Theria
Species:primaria
Authority:(Haworth, 1809)

Common in open woodland, woodland edges, scrub and mature hedgerows throughout England, Wales and southern Scotland. In Hampshire and on the Isle of Wight common to abundant in late winter amongst hawthorn in open country and on the downs. Wingspan male 32-37 mm, female wingless. Males could be confused with Sloe Carpet Aleucis distinctata, but Early Moth has straighter distal edge of central band and females have band on vestigial wings. The flightless females may be found sitting on the leafless twigs after dark. Larva feeds on Blackthorn, Hawthorn and Midland Hawthorn.

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)