336 Wisconsin Academy of Sciences, Arts, and Letters. 
Sonchus arvensis. 
Macrosiphum sonchi Linnaeus. 
Myzus rihis Linnaeus. 
RhizoHus sonchi Passerini. 
Rhopalosiphum lactucae Kaltenbach. 
Trama troglodytes Heyden. 
Sonchus asperls. 
Macrosiphum sonchi Linnaeus. 
Pemphigus hursarius Linnaeus. 
Rhizohius sonchi Passerini. 
Rhopalosiphum lactucae Kaltenbach. 
Rhopalosiphum sonchi Oestlund. 
Trama horvathi Del Guercio. 
Trama troglodytes Heyden. 
Sonchus oleraceus. 
Aphis terricola Rondani. 
Forda formicaria Heyden. 
Macrosiphum alliariae Linnaeus (Koch). 
Macrosiphum jaceae Linnaeus. 
Macrosiphum lactucae Linnaeus. 
Macrosiphum rudleckiae Fitch. 
Macrosiphum solanifolii Ashmead. 
Macrosiphum sonchella Monell. 
Macrosiphum sonchi Linnaeus. 
Macrosiphum trifolii Pergande. 
Myzus riMs Linnaeus. 
Pemphigus hursarius Linnaeus. 
Pemphigus lactucarius Passerini. 
Rhizohius sonchi Passerini, 
Rhopalosiphum lactucae Kaltenbach. 
Rhopalosiphum persicae Sulzer. 
Trama horvathi Del Guercio. 
Trama radicis Kaltenbach. 
Trama troglodytes Heyden. 
Sorghum sp. 
Aphis sorghella Schouteden. 
Sorghum dora. 
Aphis maidi-radicis Forbes. 
Aphis maidis Fitch. 
Sipha flavus Fitch. 
