TABLE OF CONTENTS. 



Page 

 INTRODUCTION 5 



INSECTS INJURIOUS TO THE APPLE-TREE 13 



1. The White-marked Tussock Moth ( Orgyla leucoslkpna. Sm.-Alib. ) 13 



2. The Fall Web-worm ( Spilosoma texior. Harris ) 18 



S. The Lesser Apple Leaf- folder ( Tor(x\x mallvorana. N. sp. ) 20 



4. The Oyster-shell Bark-louse i^MylUcutjm cmirhifonnis. Graelin. ) 24 



INSECTS INJURIOUS TO THE PEAR-TREE 47 



5. The Callimorpha Pear-caterpillar ( Callimorpha LecoMe'i, Boisd, var. fulvi- 

 coxta. Clemens. ) 47 



INSECTS INJURIOUS TO THE PLUM-TREE 51 



6. The Green, Chestnut-backed Plum-caterpillar ( Acronyda mx>erans, Guenee )51 



INSECTS INJURIOUS TO THE GRAPE-VINE 54 



7. The American Vine-Chafer ( Anomala lucivola. Fabr. ) 54 



8. The Green, Cream-spotted Grape-worm ( Amphipyra pyramuloulcf. Guen. ) . . 56 



INSECTS INJURIOUS TO THE CURRANT 59 



9. The SY>'mous C\irv&nt-caterY>[\\sir { Vanessa { Orapia) Progne. Fal^r. ) 59 



10. The Four-striped Plant-bug ( Oapsus 4-viitabcs. Say. ) 61 



INSECTS INJURIOUS TO THE POTATO AS 



11. The Colorado Potato-beetle ( Doryphora lO-Hucata. Say. ) 63 



INSECTS INJURIOUS TO THE ROSE , 79 



12. The Rose-slug ( Selandria Roste. Harrifi. ) 79 



1\SECTS INJURIOUS TO THE PINE 83 



1 3. The Pine Leaf-louse ( Mytilaxpis plnifoli Fitch. ) 83 



