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This leaf of about 8 cm in length has 2 twin leaf miners that began their journey at the top (stem) of the leaf and finished almost together in the center. The increase in the size of the trails shows the growth of the larvae. The end of the tunnels have a fat area where the larvae pupated and a hole where the adult emerged. The trails probably measure close to 30 cm in length and never recross their paths.
Dense forest in a ravine, Chorreadero Park above Chiapa de Corzo, Chiapas, Mexico.
Spotted on Jan 24, 2013
Submitted on Jan 31, 2013