BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
131 
1970. Osborn, H. Reports of experiments and studies in entomology. 
<Bull. No. 19, Iowa Agric. Exp. Sta., November, 1892, pp. 
566-591, figs. 2. 
Tar-pan for leaf-hoppers; includes articles No. 764 and 2882. 
1971. Osborn, H. Notes on injurious insects of 1892. <Insect Life, 
Y. 5, November, 1892, pp. 111-111. 
Chiefly on leaf-hoppers. 
1972. Osborn, H. Fighting insect enemies. <Trans. Iowa State 
Hortic. Soc. for 1891 (1892), pp. 227-230. 
1973. Osborn, H. Orchard insects for 1891. <Trans. Iowa State 
Hortic. Soc. for 1891 (1892), pp. 203-205. 
1971. Osborn, H. Insects of the season in Iowa. <Bull. No. 26, Div. 
Eut. U. S. Dept. Agric., 1892, pp. 57-62. 
Notes on Bibio albipennis, Myzus per slew, Siphonophord avence, clover insects, 
and abundance of Apanieles glomeratus. 
1975. Osborn, H. Report of a trip to Kansas to investigate reported 
damage from grasshoppers. <Bull. No. 27, Div. Ent. U. S. 
Dept. Agric. 1892, pp. 58-61. Reprinted from Insect Life, v. 
1, p. 19. 
Damage chiefly due to Caloplenus differ entialis. 
1976. Osborn, H. Further notes on the treatment of grass insects. 
<Proc. 13th Ann. Meet. Soc. Prom. Agric. Sci., 1892. 
1977. Osborn, H. Fruit and forest tree insects. <Trans. Iowa State 
Hortic. Soc. for 1892 (1893), pp. 96-127,31 figs. 
Treats of Monophadnus bardus, Selandria cerasi, Monostegia rosos, M. ignota, 
Harpiphorus maculatus, Cimbex americana, Papilio turnus, P. crespliontes, 
Smerinthus exccecatus, Podosesia syringes, Datana ministra, D. angusii, Noto- 
donta concinna, N. unicornis, Hyphantria cunea, Orgyia leucostigma, Platysa- 
mia cecropia, Telea polyphemus, Gastropachn velleda, Clisiocampa americana, 
Phycis indiginella, Anisopteryx vernata, Pempelia Tiammondi, Eccopsis malana, 
Carpocapsa pomonella, Trypeta pomonella, Coccotorus prunicida, Anthonomus 
quadrigibbus, Sapcrda Candida, Chion cinctus, Chrysobothris femoraia, Amphi- 
cerus bicaudatus, Cicada scptendecim, Cicada iibicen, Ceresa bubal us, Aphis 
malt, Myzus cerasi, Scliizoneura lanigera, Chionaspis furfurus, Mytilaspis 
pornorum, (Ecanthus, Telranychus telarius. 
1978. Osborn H. Grass leaf-hoppers. <Bull. No. 20, Iowa Agric. 
Exp. Sta., February, 1893, pp. 713-715, fig. 1. 
Notes and remedies. 
1979. Osborn, H. Cabbage-worms and parasites. <Iowa Homestead, 
3 March, 1893, p. 205. 
1980. Osborn, H. The grape-vine fiea-beetlo. <Iowa State Register, 
7 April, 1893. 
1981. Osborn, H. The clover hay worm. <Iowa Homestead, 5 May, 
1893. 
1982. Osborn, H. Beans infested with bean weevil, <lowa State 
Register, 11 May, 1893. 
