Tomato leaf miner
spots. Life cycle and appearance of Tomato leaf miner The life cycle of a leaf miner has the following stages: egg, three larval instars, a pupal instar [...] larva, that emerges from its tunnel just prior to pupating, is known as a prepupa. This stage lasts only a few hours. [...] greenhouses. The tomato leaf miner has been found in greenhouses for decades, but has become a common pest since the 1960’s, particularly in sweet pepper ,