Three
Begonia species are recorded in Britain.
All are introduced.
Only
one dipterous miner, the anthomyiid Pegomya
bicolor, is recorded on Begonia in Britain and elsewhere.
No
non-dipterous miners are recorded on Begonia in Britain
Key for the identification of the known Diptera mines in
Britain.
1>
Leaf mine. Large upper side blotch or blister mine, which can start
with a short corridor. In small leaves the mine can be full depth
in places. Often several larvae in a mine; frass irregularly scattered
in large lumps. Pupation external.