Report of the State Entomologist on the noxious and beneficial insects of the state of Illinois.
Issues for 1876- called 1st- and written by C.T. Thomas, but actually 6th- reports in series; issues for -1916 called -18th and written S.A. Forbes, but actually -29th reports in series.Mode of access: Internet
Insect pests, Beneficial insects
Publisher: [Springfield, Ill.?] : State Entomologist,