The sub-Imaginal instar of the may-fly furnishes also a noteworthy fact for comparison with other insect histories.
"The Life-Story of Insects"
Geo. H. Carpenter
From the prominence of Imaginal structures in the pupa, it is at once seen that the pupa of any insect must resemble the adult more nearly than it resembles the larva.
"The Life-Story of Insects"
Geo. H. Carpenter
Here the Imaginal stage only is omitted from the life-history.
"The Life-Story of Insects"
Geo. H. Carpenter