Infected leaf - under surface - white background

Description :

Longitude (deg): -2.4. Latitude (deg): 50.6. Longitude (deg/min): 2° 30' W. Latitude (deg/min): 50° 40' N. Vice county name: Dorset. Vice county no.: 9. Country: England. Stage: Anamorph. Associated species: Acer campestre. Identified by: Malcolm Storey. Comment: on Field Maple leaves. Category: standard photograph or close-up. Background: white background. Photographic equipment used: Canon EOS400D dSLR with Tamron SP AF Di 90mm Macro 1:1 lens.