86 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
725. Forbes, S. A. The grass worm, or fall army worm ( Laphygma 
frugiperda Guen.). <Circular [Office of State Entomologist], 
14 October, 1884. Reprint: <Prairie Farmer, 25 October, 1884. 
See: <Farmers’ Review, 30 October, 1884. 
Account of extensive damage to winter wheat in Tazewell, Mason, and 
Fulton counties, Ill., where hundreds of acres have been completely 
devoured by Laphygma frugiperda and resowed, the circular being designed 
to prepare farmers to take prompt measures against a second brood should 
it appear. Previous history; short description of its stages; life history; 
food habits; and remedies likely to he successful (mechanical destruction 
and poisoning); and a recommendation that wheat be not sown on oats 
ground the following year unless special care is taken to keep down vol¬ 
unteer oats previous to its sowing. 
726. Forbes, S. A. A season’s work in horticultural entomology. 
<Trans. Ill. State Hortic. Soc., 1884, n. s., v. 18, pp. 117-127. 
See: <Prairie Farmer, 20 December, 1884. 
Notes on the habits and ravages of Emphytus [ — Rarpiphorus] maculatus, 
Selandria [ = Eriocampa] cerasi, Sphinx [ = Veratomia] cat alp a:, Halisidola 
tessellata, Mamestra picta, Pempelia hanmondi, Cacacia rosaceana, Teras 
malivorana, Drosophila ampelophila, Paria aterrima [= TypojPiorus canellus], 
Scelodonta pubescens, Siphonophora minor, Diaspis rosce, and Pulvinaria innu- 
merabilis. 
727. Forbes, S. A. Supplementary report on insects affecting the 
strawberry. <Trans. Miss. Valley Hortic. Soc. for the year 
1884,1884, v. 2, pp. 231-258. 
Treats of Selandria [— Monostegia] rosce, Cymatophora pampinaria, Phyllotreta 
vittata, Crepidodera [ = Epitrix] fuscula, Systena blanda, Paria aterrima 
[ — Typophorus canellus'], Scelodonta nebulosa, Colaspis brunnea, C. tristis, 
Cacoecia rosaceana, C. obsoletana, Pulvinaria innumerabilis, Siphonophora 
minor, Tetranychus telarius, Solenopsis fugax, Anthonomus musculus [= sig- 
natus], Lygus lineolaris [= pratensis ], Dercecoris rapidus, Cambala annulata, 
Allorhina nitida, and Otiorhynchus sulcatus; calendar of strawberry insects, 
classification of insect injuries with suggestions as to remedies, classifica¬ 
tion of remedial measures; modes of culture; harriers to progress; cap¬ 
ture and direct destruction; topical application. 
728. Forbes, S. A. QtJcanthus niveus. <Farmers’Review, 16 April, 1885. 
Eggs deposited in grape twigs identified as those of (Ecanth us niveus; 
correspondent referred to literature of the species; remedial measures 
indicated, and attention called to the fact that the insect is to some 
extent insectivorous. 
729. Forbes, S. A. The root web-worm ( Grambus zeellus Fernald). 
<Illinois Crop Report, May, 1885, p. 38, ffg. See: <Western 
Rural, 20 June, 1885. 
Injuries to young corn in May and June; description of larva and imago; 
habits of larva; figures larva. 
730. Forbes, S. A. Note on Murgantia Jiistrionica. <Home and 
Farm, 15 June, 1885. 
731. Forbes, S. A. Further notes on the root web-worm. <Statis- 
tical Rept. Ill. State Board Agric., June, 1885, p. 48, figs. 
Reprint: <Farmers’ Review, 8 July, 1885. See: <Prairie 
Farmer, 11 July, 1885. <Farmers’ Review, 11 June, 1885. 
Ravages of and means against Crambus zeellus. 
