"tablaE. of gomtrnts. 



PAGE 



Letter of Submittal, -------- 3 



Introductiox, 4 



The Codling Moth: 



Life liistory ; abundance in Maryland ; remedial measures ; effi- 

 cacy of the old plan of bandaging and instances of the value of 

 spraying; substances used in spraying; apparatus for spraying; 

 natural enemies ; predaceous beetles; true parasites, - - 5 



The Gkeex June-beetle: 



Differences between this insect and the 'May beetles or June 

 beetles of the Xorth; habits of the adult ; damage done by the 

 larva? ; life history not fully known ; abundance of the larvre in 

 celery l)eds ; remedies and preventives; technical description 

 of the larva, - - 11 



€abbage-"worms: 



Imported Cabbage worm; Cabbage Plusia; Cabbage Miimestra 

 Zebra Caterpillar; Cabbage Evergestis or I'ionea; Cabbage 

 Plutella; remedies, 15 



Harlequin Cabbage-bug: 



Distribution; difficulty of fighting; older remedies; H. E. Weed's 

 plan recommended, 19 



Apple-tree Borers : 



The liound-headed Apple-tree JV)rer; life history, including ac- 

 count of oviposition; Flat-headed Borer; account of life his- 

 tory; remedial measures for both species, - - - - 20 



Insects partially studied at the Station: 



Tobacco Flea-beetle; Tobacco Sphinx, or Horn Worm; Melon 

 Plant-louse; Asparagus Beetle; Blister Beetles, - - - 23 



