The Moths of Suffolk
2421 Scarce Silver-lines, Bena bicolorana, (Fuessly, 1775)

National Status : Local

Local Status : Resident (SMP Status 2)

Distribution and abundance : Local and not uncommon

Habitats : Broad-leaved woodland, areas with scrub oak

Flight Period : Single-brooded; June to early August

Larval foodplants : Pedunculate Oak and probably other oaks, Silver and Downy Birch

Morley's Final Catalogue : Generally scattered sparsely, except SW. Bentley (Harwood); Hacheston (Hkr); Beccles (Crf); Hardwick (Skepper); Brandon (Wrn) ; and "in considerable abundance" in West Stow wood. (Wrl, in Suff. Inst. iv, 1870, p. 221): ante 1890. Corton in 1891 (Butler); one at Waldringfield in 1927 (Wlr); Bentley Woods, one in 1896 (Platten); Copdock on 7 July 1894 (Hkg); a few larvae near Timworth in 1911 (Nurse); and at Dunwich in 1933 (Trans.ii,161); an imago at light at Fritton Lake in mid-August 1934 (loc. cit., p. clxxxiii). Wangford Wood, bred 1937, (Gd).

Wingspan details : Forewing 19-23mm, Wingspan 40-48mm

Identification

Confusion species : None


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Ipswich, Suffolk (vi.2007) © Neil Sherman

Flight chart
JFMAMJJASOND
15 100 12

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

Further Photographs

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Eye (19.vii.2000) © Paul Kitchener
Ipswich, Suffolk (vii.2002) © N Sherman
Woolpit, Suffolk (3.vii.2006) © Paul Bryant
 
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Hinderclay Fen, Suffolk (1.vii.2006) © A Prichard
Ipswich, Suffolk (2.vii.2006) © A Prichard