14 



5. FLAT-HEADED APPLE-TREE BORER. 



Chrysolothris femorata Fab. 



Preventives : Same as recommended for No. 4. 

 Chief Articles: Riley, 1st Eept. Ins. Mo., pp. 46-47; 7th do., pp. 

 71-79. 



Injuring the Branches. 



6. PERIODICAL CICADA. 



Cicada septentfccim Linn. 



Chief Articles: Riley, 1st Eept. Ins. Mo., pp. 18-42; 4th do., pp. 

 30-34; Bull. 8, Div. Ent., U. S. Dept. Agric; Eept. U. S. Dept. Agric, 

 1885, p. 235. 



7. OYSTER-SHELL BARK-LOUSE. 



Mytilaspis pomorum Boucli6. 



Eemedies: Kerosene emulsion ; alkaline washes ; linseed oil; scrap- 

 ing off the scales during the winter. 



Chief Articles: Walsh, 1st Eept. Ins. 111., pp. 34-53; Eiley, 1st 

 Eept. Ins. Mo., pp. 7-18; 5th do., pp. 73-96; Comstock, Eept, IT. S. 

 Dept. Agric, 1880, pp. 325. 



8. SCURVY BARK-LOUSE. 

 Chionaspis furfurus Fitch. 



Eemedies : Same as given for No. 7. 



Chief Articles: Walsh, 1st Eept, Ins. 111. pp. 53-55; Comstock, 

 Eept, IT. S. Dept. Agric, 1880, p. 315. 



9. IMBRICATED SNOUT-BEETLE. 



Fypicwrus imbricatus Say. 



Eemedies: Spread a sheet beneath the tree, or use a curculio- 

 catcher, jar the tree and branches, gather the beetles and destroy them. 



Chief Articles: Eiley, 3d Eept. Ins. Mo., pp. 58; Comstock, Eept. 

 IT. S. Dept. Agric, 1879, pp. 249, 



10. APPLE-TREE PRUNER. 



ElapMdion viUosum Fab. 



Eemedy: Collecting and burning the fallen branches. 

 Chief Articles: Peck, Mass. Agric. Eepository, vol. V; Harris, 

 Ins. Inj. to Yeg., pp. 97-99. 



11. APPLE-TWIG BORER. 



AmpMcerus bicavdatns Say. 

 Eemedy: Cutting off infested brandies and burning. 

 Chief Articles: Eiley, 4th Eept, Ins. Mo., pp. 51-53; 5th do., p. 

 54; Popenoe and Marlatt, Eept. Ks. Expr. Station, 1888, p. 209. 



