198 
IOWA ACADEMY OF SCIENCE Voi. XXIX, 1922 
Jose scale, Aspidiotus perniciosus, Comstock. Similar parasitized 
eggs were found by the writer at LaFayette, Indiana. 
BIBLIOGRAPHY 
1890 Goding, Entom. News 1:123, Describes Empoasca birdii. 
1898 Gillette, Clarence P., Proc. U. S. Nat. Mus. 20: 745-746. 
1900 Forbes, S. A., 21st Rept. State Entom. Ills. 79. 
1914 SHngerland, M. V., and Crosby, C. R., Manual of Fruit Insects, 
183 
1918 Hawley, I. M., Cornell Univ. Agr. Exp. Sta. Mem. 15:215. 
