Dimorphism in color and pubescence of adult Thyanta calceata, in response to 8L:16D and 16L:8D photoperiods, resulted from an accumulation of photoperiod effects on two or more immature stages. More immature stages were receptive to 8L:16D than to 16L:8D photoperiod influence.
McPherson, J. E.
"Sensitivity of Immature Thyanta Calceata (Hemiptera: Pentatomidae) to Photoperiod as Reflected by Adult Color and Pubescence,"
The Great Lakes Entomologist: Vol. 11
, Article 10.
Available at: http://scholar.valpo.edu/tgle/vol11/iss1/10