The Moths of Suffolk
2303 Straw Underwing, Thalpophila matura, (Hufnagel, 1766)

National Status : Common

Local Status : Resident (SMP Status 1)

Distribution and abundance : Widespread and very common

Habitats : Heathland, grassland, fens, open woodland, scrub and gardens

Flight Period : Single-brooded; lmid-July to mid-September

Larval foodplants : Various grasses

Morley's Final Catalogue : Ubiquitous, and often common at both sugar and light; of uncertain appearance, and not seen here by me during 1891-1899 (Mly). Recently in Ipswich marshes, Waldringfield, Southwold, abundant at Monks Soham light, Gorleston sugar and Mildenhall.

Wingspan details : Forewing 17-20mm, Wingspan 38-46mm

Identification

Confusion species
    AdultHedge Rustic, Tholera cespitis

Compare confusion species
    Adult

Click to view full size image
Ipswich, Suffolk (viii.2003) © N Sherman

Flight chart
JFMAMJJASOND
19 100 2

Life history chart
JFMAMJJASOND
larva larva larva larva larva pupa imago ovaimago larva larva larva larva

Further Photographs

Click to view full size imageClick to view full size imageClick to view full size image
Found at night on acid grassland - Rendlesham, Suffolk (ii.2003) © N Sherman
Ipswich, Suffolk (viii.2010) © Neil Sherman
Great Cornard, Suffolk (8.viii.2006) © Stuart Read