Longitude (deg): -1.2. Latitude (deg): 51.3. Longitude (deg/min): 1° 20' W. Latitude (deg/min): 51° 20' N. Vice county name: Berks. Vice county no.: 22. Country: England. Stage: Larva. Associated species: Betula. Identified by: John Grearson. Photo summary: larva, prepupa. Comment: Group of striped yellowish larvae, beaten from birch. Category: standard photograph or close-up. Image scaling: enlarged. Real world width(mm): 0. Photographic equipment used: Nikon D100 dSLR with Tamron SP T90 AF Macro 1:1 lens.