- a, Pear Saw-fly (Eriocampoides limacina); b, larva without, and c, with its slimy protective coat; e, cocoon; f, larva before pupation; g, pupa, magnified 4 times; d, leaves with larvae, natural size.
3, co) before pupation.
chromic chloride was active in a multi-generation Drosophila study where it was observed to delay pupation and decrease pupal viability.
During pupation the larva undergoes complete metamorphosis, in which all its organs dissolve, leaving the pupa filled with fluid.
The larva spins a very fine silken girdle to attach itself to the chosen pupation site.