The Moths of Suffolk
1020 Cnephasia stephensiana, Grey Tortrix, (Doubleday, 1849)

National Status : Common

Local Status : Resident (SMP Status 3)

Distribution and abundance : Widespread and common

Habitats : Grassland, gardens, fens and marshes

Flight Period : Single-brooded; June to mid-August

Larval foodplants : On the leaves of a wide variety of herbaceous plants

Morley's Final Catalogue : As C. chrysanthemana - Quite general with us; sometimes on sugar. Ipswich (Baylis); Felixstowe (Gbs); Waldringfield (Wlr); frequent at Monks Soham light in July (Mly); Southwold (Ctw); Gorleston (D). Brandon on Scots-fir. As C. octomaculana - Known here only in the first brood of late May, when it was captured in Shakers Lane at Bury in 1935 by Mr. Doughty.

Wingspan details : Wingspan 18-22mm

Identification

Confusion species
    AdultCnephasia gueneanaCnephasia communana
Cnephasia conspersanaCnephasia stephensiana, Grey Tortrix
Cnephasia asseclana, Flax TortrixCnephasia pasiuana
Cnephasia genitalanaCnephasia incertana, Light Grey Tortrix
Eana incanana

Compare confusion species
    Adult

Click to view full size image
Confirmed by dissection. - Ipswich, Suffolk (vi.2005) © Neil Sherman

Flight chart
JFMAMJJASOND
44 100 34

Life history chart
JFMAMJJASOND
larval diapause larval diapause larval diapause larva larva pupaimago pupaimago ovaimago ovalarval diapause larval diapause larval diapause larval diapause

Further Photographs

Click to view full size image
Confirmed by dissection, Jon Clifton - Eye, Suffolk (10.vii.2008) © Paul Kitchener