Main: (Sesiidae / Sesiinae)
52.009 [B&F: 0377] Sallow Clearwing (Synanthedon flaviventris) (Staudinger, 1883)

 

Notes: Nationally scarce (Nb) in damp woodland and heathland in central southern and south-eastern England; adults appear only in even years. In Hampshire where the species was discovered new to Britain in 1926 near Southampton, the galls made by the larva of this species on Grey Sallow Salix cinerea are sometimes locally common in the winters of "even" years, mainly in the south-east of the county, but the insect is often heavily parasitised. There are a few scattered records from the Isle of Wight. Wingspan 17-20 mm. Day-flying. The early stages may be sought during the winter months, but synthetic pheromone lures are used to attract males nowadays, and this has led to a marked increase in records of the species in recent years. Larva feeds within stems of Sallow, over-wintering twice.

Flightime guide
JFM AMJ JAS OND

Records Received By Year

% of total records
Max records: 14
                   
90 91 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13

Percentage of Total Records

Total records
Max Percentage: 0.012067093
                   
90 91 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13

Phenology - Adult Records

Max records: 7
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Phenology - Larval Records

Max records: 5
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Distribution Map

Historical distribution at tetrad resolution
Click for density map

Record Density

As above but the larger the symbol, the greater the number of records
Click for distribution map
Web Hosting from Vision Internet Limited