BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 87 
732. Forbes, S. A. [Coceinellid enemies of the maple bark-louse.] 
<Farmers’ Review, 22 July, 1885. 
Letter to the editor confirming his opinion that the ravages of Pulvinaria 
innumerabilis are being checked by natural enemies (Chilocorus bivulnerus 
and Hyperaspis signata) which destroy its eggs. 
733. Forbes, S. A.. [Selandria cerasi.] <Farmers’ Review, 22 July, 
1885. 
Recommends white hellebore and pyrethrum and outlines history. 
734. Forbes, S. A. On some Illinois locusts (grasshoppers), statis¬ 
tical Rept. Ill. State Board Agric., August, 1885, p. 27. 
Report of an extraordinary outbreak of Pezoiettix [ = Caloptenus\ femur- 
rubrum and P. [ = C.] differentialis in Illinois in 1885; brief description of 
the species, their life histories and habits, and of their injuries to vegeta¬ 
tion during the season; an account of the climatic conditions to which 
the outbreak is probably due, of the natural influences and enemies tend¬ 
ing to limit and suppress it, and of remedies. 
735. Forbes, S. A. A new species of Crambus injuring corn roots. 
<Amer. Hat., September, 1885, v. 19, pp. 891-892. 
Relates to Crambus zeellus. Advance print from 14th Rept. State Entomolo¬ 
gist of Illinois. See No. 737. 
736. Forbes, S. A. Experiments on the Codling moth and Curculios 
(Carpocapsa pomonella Linn.; Anthonomus quadrigibbus Say; 
Conotrachelus nenuphar Herbst.). <Trans. Ill. State Hortic. 
Soc., for 1885, 1885, new ser., v. 19, pp. 103-119. See: <Prairie 
Farmer, 19 December, 1885. 
Details of experiments with Paris green, London purple, and lime; cost of 
experiments; damage to trees; dangers to stock and to health; natural 
history of the codling moth. 
737. Forbes, S. A. Fourteenth report of the State Entomologist on 
the noxious and beneficial insects of the State of Illinois. 
Third annual report of S. A. Forbes for the year 1884. 
<Trans. Dept. Agric. State of Illinois for 1884, 1885, v. 21, 
7 + 136-1-19+120 pp., pi. 1-12, 1 fig. Separate: <Springfield, 
Ill., 1885, 7 + 136 + 19 + 120 pp., pi. 1-12, 1 fig. 
CONTENTS. 
Contents .. 3 
List of descriptions. 6 
Letter of transmittal. 1 
Introduction. 3 
Contributions to agricultural entomology. 9 
On new and little known corn insects. 11 
Notes on insects injurious to wheat... 34 
Brief notes on sorghum insects. 70 
On some clover insects. 72 
Contributions to horticultural entomology. 75 
On new and imperfectly known strawberry insects. 77 
On a few grape insects. 83 
On new insect enemies of the blackberry and raspberry. 87 
On the speckled cutworm as a cabbage worm. 93 
Notes on insects injurious to the apple and pear. 95 
