6 



5. FLAT-HEADED APPLE-TREE BORER. 



Chrysobothris femorata (Fabr.) 



[Twigs showing work of larva, larva, pupa, adult beetles: figures of all stages from Riley's 

 lih Mo. Report.] 



Parasites : 

 Chalcid sp. 

 5a. Bracon chancs lliley. 



[Figure from Riley's 7tli Mo. Report. 1 

 Cryptus graUator Say. 



Preventives : Same as recommended for No. 4. 



Chief Articles : Eiley, 1st Eej^t. Ins. Mo., p. 46-47 ; Ttli do., p. 71-79. 



Injuring tlie Rranelies. 



6. PERIODICAL CICADA. 



Cicada sejjtendecim Linn. 



[Injured twigs, pupaj, adults.] 

 Enemies : 

 Stizus speciosus (Drvuy.) 



Chief Articles : Eiley, 1st Eept. Ins. INIo., p. 18-42 ; 4th do., p. 30-34. 



7. OYSTER-SHELL BARK-LOUSE. 



Mytilaspls porno nun Bouclie. 



Syn. Asjiidiotus conchiformis Gmelin. 

 Mytilasjns j^omlcortlch Eiley. 



[Twigs and bark with lice: figures of early stages witli details of structure and of winged 

 males from Riley's 1st and 0th Mo. Reports.] 



Parasites : 

 la. Apheliyius 7}ii/tilaf<jildls Lc Baron. 



[Figure of adult from Riley's .5th IMo. Report.] 



7b. Ti/roglyphus mains (Shimcr.) 

 Syn. Acarus malus Shimcr. 



[Figures of adult mites from Riley's •5th Mo. Report.] 



7c. Chilocorus hivulnerus Muls. 



[Pupa;: adult beetles.] 



Eemedies: Kerosene emulsion; alkaline waslies ; linseed oil; scraping 

 off the scales during the winter. 



Chief Articles: Walsh, 1st Eept. Ins. Ill, p. 34-53; Eiley, 1st 

 Eept. Ins. Mo., p. 7-18; 5th do., p. 73-96. 



