The external anatomy of each of the five nymphal instars of Thyanta calceata is de- scribed.
Paskewitz, S. M. and McPherson, J. E.
"Descriptions of Nymphal Instars of Thyanta Calceata (Hemiptera: Pentatomidae),"
The Great Lakes Entomologist: Vol. 15
, Article 2.
Available at: https://scholar.valpo.edu/tgle/vol15/iss4/2