BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 45 
594. Forbes, S. A. Early occurrence of the chinch bug in the Missis¬ 
sippi Valley. <Insect Life, v. 1, February, 1889, p. 249. 
595. Forbes, S. A. The American plum borer. «Jolman’s Rural 
World, 0 June, 1889, p. 179. 
Notes on Euzopliera semifuneralis. 
596. Forbes, S. A. Arsenical poisons for the plum and peach curculio. 
<Insect Life, v. 2, July, 1889, pp. 3-7. 
597. Forbes, S. A. The first chinch bugs. <Orange Judd Farmer, 
14 September, 1889, p. 174. 
598. Forbes, S. A. Fifteenth report of the State entomologist on the 
noxious and beneficial insects of the State of Illinois. <Trans. 
Dept. Agric. State of 111., 1889. Separate: <Springfield, Ill., 
1889, pp. 115, figs. 4. 
Treats of arsenical poisons for the codling-moth, notes on the Hessian fly, 
Meromyza americana, and on the condition of the chinch bug in Illinois. 
(Includes articles by C. M. Weed on locusts in central Illinois, and insects 
on young apple trees.) 
599. Forbes, S. A. New and old insects. <Trans. Ill. State Hortic. 
Soc., 1889, pp. 242-251. 
Treats of Euzopliera semifuneralis, Scolytus rugulosus, insecticide experiments, 
and effect of insecticides on foliage. 
600. Forbes, S. A. Synopsis of recent work with arsenical insecti¬ 
cides. <Trans. Ill. State Hortic. Soc., 1889, pp. 310-324. 
601. Forbes, S. A. The American plum borer, Euzopliera semifuneralis 
Walk. <Psyche, January, 1890, pp. 295-299, figs. 3. 
Detailed life-history and description. 
602. Forbes, S. A. The American plum borer. <Prairie Farmer, 15 
February, 1890, p. 108. 
Treats of Euzopliera semifuneralis. 
603. Forbes, S. A. Spraying fruit trees. <Orange Judd Farmer, 3 
May, 1890, p. 276. 
604. Forbes, S. A. The food of snout beetles. <Fruit Growers’ Jour¬ 
nal, 15 May, 1890. 
605. Forbes, S. A. The Hessian fly. <Bull. No. 12, Ill. Agric. Exp. 
Sta., November, 1890, pp. 377-379, 1 pi. 
Brief account, with remedies. 
606. Forbes, S. A. Horticultural entomology. <Traus. Ill. State 
Hortic. Soc., 1890, pp. 88-95. 
Treats chiefly of insecticides. 
607. Forbes, S. A. Sixteenth report of the State entomologist on the 
noxious and beneficial insects of the State of Illinois. <Trans. 
Dept. Agric. State of Ill., 1890. Separate: <Springfield, Ill., 
1890, pp. 104, 6 pis. 
Articles on the chinch bug, on the corn bill-bugs, the meadow maggots, cut¬ 
worms, and Eseudavapliora arcanella. 
608. Forbes, S. A. Economic bibliography of the chinch bug. <Ap- 
pendix to the Sixteenth Rept. State Eut. of 111., 1890, pp. 122. 
