74 
BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
720. Osborn, H. Seventeen-year locusts. <Colleg'e Quarterly, Sep¬ 
tember, 1879, v. 2, p. 58. 
Occurrence of Cicada [= Tibicen] septendecivi in southwestern Iowa in 1879. 
721. Osborn, II. Bot flies of ox and horse. <Western Stock Journ. 
and Farmer, September, 1879, v. 9, p. 189. 
Habits and life histories of Gastrophilus equi and of Hypoderma bovis; reme¬ 
dies. 
722. Osborn, H. Blister beetles. <Western Stock Journ. and 
Farmer, September, 1879, v. 9, p. 189. 
Notes on Lxjtta atraia [—Epicauta pennsylvanica], L. [=E.] cinerea, and L. 
[= E.] vittata injurious to potatoes; remedies. 
723. Osborn, H. Insects related to stock growing. <Western Stock 
Journ. and Farmer, October, 1879, v. 9, p. 213. 
General discussion. 
724. Osborn, H, Cutworms. <Westeru Stock Journ. and Farmer, 
November. 1879, v. 9, p. 230. 
Habits, life histories, and remedies. 
725. Osborn, H. On the winter forms of insects. <Western Stock 
Journ. and Farmer, December, 1879, v. 9, p. 261. 
Practical importance of knowledge of the state in which insects winter; 
mention of insects hibernating m the egg state, as larvae, pupae, and as 
adults. 
726. Osborn, H. Report on noxious insects. <Trans. Iowa State. 
Hortic. Soc. for 1878, 1879, v. 13, pp. 368-402, 19 figs. 
Habits and natural history of Hyphantria textor \_=cunea], Orgyia leucostigma, 
Telea polyphemus, Platysamia [= Attacus] cecropia, Clisiocampa americana, 
Xoctua [ =Agrotis] clandestina, Jgratis subgothica, Paleacrita vernata, Phycila 
nebulo [=Acrobasis indiginella], Carpocapsa pomonella, Bucculatrix pomi- 
foliella, JEgeria denudata [=Podosesia syringce], Chrysobothris femorata, 
Anthonomus quadrigibbus, A prunicida [=Coccotorus scutellavis'], Conotra- 
chelus nenuphar, Saperda bivittata [=■Candida ], Aphis mall, Myzus cerasi, 
Schizoneura lanigera, Mytilaspis pomicorticis [=pomorum], Diaspis harrisii 
\_=Chiouaspis furfurus], Cicada \_—Tibicen] sepiendecim, Chernies pinicorticis 
and CEcanthus niveus. 
Til. Osborn, H. Butterfly, chinch bugs, etc. <Western Stock Journ. 
and Farmer, January, 1880, v. 10, p. 2. 
Notes on Pieris rapee and Blissus leucopterus; importance of economic ento¬ 
mology. 
728. Osborn, H. What can be expected of economic entomology. 
<Western Stock Journ. and Farmer, January, 1880, v. 10, p. 2. 
Benefits liable to be overestimated; examples of actual benefits; systems 
of distributing knowledge. 
729. Osborn, H. The rape butterfly. <Western Stock Journ. and 
Farmer, January, 1880, v. 10, p. 2. 
Introduction of Pieris rapee; its first appearance at Ames, Iowa; characters 
compared with those of P. protodicc. 
730. Osborn, H. The northern brenthian. <Western Stock Journ. 
and Farmer, February, 1880, v. 10, p. 28. 
Life history of Eupsalis minuta. 
