The Moths of Suffolk
381 Large Red-belted Clearwing, Synanthedon culiciformis, (Linnaeus, 1758)

National Status : Notable Nb

Local Status : Resident (SMP Status 4)

Distribution and abundance : Rare (but probably under-recorded)

Habitats : Open woodland, particularly where coppicing or felling of birch trees occurs

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

Larval foodplants : Feeding internally within Downy and Silver Birches

Records : Dunwich Heath (P Wilkins, 2003)

Morley's Final Catalogue : One specimen was given me by Mr. Garrod of Ipswich, taken in a wood near that town in 1856 (Bree, Nat. vii, 273). Bentley before 1890 (Harwood). Four examples in Bentley Woods on 14 May 1894 (Baylis), and two the next day flying round stumps of birch whence their pupae were protruding, the undergrowth having been cleared a year or so earlier : none seen there later (Mly). Larvae common at Monks-park Wood in 1909 (Nurse; cf. Ent. 1911 219).

Wingspan details : Forewing 12-14mm, Wingspan 23-29mm

Identification

Confusion species
    AdultRed-belted Clearwing, Synanthedon myopaeformis
Red-tipped Clearwing, Synanthedon formicaeformis

Compare confusion species
    Adult

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Found flying round recently cut birch stumps. - Lower Hollesley Common, Suffolk (v.2008) © Neil Sherman

Flight chart
JFMAMJJASOND
100

Life history chart
JFMAMJJASOND
larva larva larva larvapupa ovaimago ovaimago larva larva larva larva larva larva

Further Photographs

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Found freshly emerged on birch stump at 1pm - Sutton Heath, Suffolk (2.v.2009) © Neil Sherman
Found freshly emerged on birch stump at 1pm - Sutton Heath, Suffolk (2.v.2009) © Neil Sherman
Found freshly emerged on birch stump at 1pm - Sutton Heath, Suffolk (2.v.2009) © Neil Sherman
 
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Exuvia protruding from birch stump - Lower Hollesley Common, Suffolk (2.v.2009) © Neil Sherman
Exuviae protruding from birch stump - Lower Hollesley Common, Suffolk (2.v.2009) © Neil Sherman
Lower Hollesley Common, Suffolk (3.v.2009) © Lee Gregory
 
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Lower Hollesley Common, Suffolk (3.v.2009) © Lee Gregory
Lower Hollesley Common, Suffolk (3.v.2009) © Lee Gregory
Lower Hollesley Common, Suffolk (3.v.2009) © Lee Gregory
 
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Adult found while checking Birch stumps for exuviae - Tunstall common, Suffolk (9.v.2009) © Neil Sherman
Lower Hollesley Heath, Suffolk (10.v.2008) © Lee Gregory
Birch stump showing many exuviae - Tunstall common, Suffolk (27.v.2012) © Neil Sherman
 
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Capped tunnel before adult has emerged - Tunstall common, Suffolk (27.v.2012) © Neil Sherman