The Moths of Suffolk
2197 Southern Wainscot, Mythimna straminea, (Treitschke, 1825)

National Status : Local

Local Status : Resident (SMP Status 2)

Distribution and abundance : Local, mainly coastal fens and Little Ouse and Waveney river valleys

Habitats : Fens, marshes and other areas where the foodplant grows nearby

Flight Period : Single-brooded; June to early September

Larval foodplants : Common Reed and Reed Canary-grass

Morley's Final Catalogue : Ipswich: "Timothy Last used to get numbers " (Harwood ; cf. Entom. 1867, 189). A few at Hemley in 1901 and Waldringfield in 1929 (Wlr). Dunwich (Btn); Lowestoft, and a good series at Needham, in 1903 (EMM. 1904, p. 80). Larvae common at Ampton in 1909 (Nurse, Entom.1911, 220). Beecles in Augusts of 1930 and 1932 (Mr) ; Fritton at light and on reeds in Octobers of 1932 and 1934 (Mly).

Wingspan details : Forewing 14-18mm, Wingspan 32-40mm


Confusion species
    AdultSmoky Wainscot, Mythimna impuraCommon Wainscot, Mythimna pallens
Mathew's Wainscot, Mythimna favicolorObscure Wainscot, Mythimna obsoleta
Cosmopolitan, Mythimna loreyiReed Dagger, Simyra albovenosa

Compare confusion species

Click to view full size image
Benacre, Suffolk (viii.2002) © N Sherman

Flight chart
9 100 97 1

Life history chart
larval diapause larval diapause larva larva larva larvapupa imago ovaimago larva larval diapause larval diapause larval diapause

Further Photographs

Click to view full size imageClick to view full size imageClick to view full size image
Iken Cliff, Suffolk ( © Paul Kitchener
Ipswich, Suffolk ( © Neil Sherman
Showing distinguishing crest on thorax - Ipswich, Suffolk ( © Neil Sherman
Click to view full size image
Ipswich, Suffolk (13.vii.2017) © Paul Kitchener