Reference:
Barao, Kim & Mostardeiro, Kayan & Matesco, Viviana & Cohen, Anne & Grazia, Jocelia. (2015). Morphology of the Nymphs of Euschistus convergens (Hemiptera: Pentatomidae). Florida Entomologist. 98. 1163-1168. 10.1653/024.098.0421.URL:
https://www.researchgate.net/profile/Lavinia_Iancu/post/Is_there_a_good_ID_key_for_pentatomid_nymphs/attachment/59d6379b79197b8077994ee4/AS%3A393779036082179%401470895646579/download/1.pdfLiterature