Posted by Tony Irwin on 13-09-2007 21:12
#4
I think this is more likely to be the citrus leafminer,
Phyllocnistis citrella (Lepidoptera: Gracillariidae). Agromyzidae hardly ever attack tree leaves - almost all mines in tree leaves are made by moths. The moth larvae are specialised miners, and lack most of the features that distinguish normal caterpillars.