VIII DECIDUOUS FRUIT INSECTS AND INSECTICIDES- 



Page. 

 Plate XI. Work of the peach-tree barkbeetle. Fig. 1. — Orchard severely 

 pruned April 19, 1908. Fig. 2.— Gum exuding through burrows 

 made in bark of cherry tree. Fig. 3. — Removing stumps of trees 

 supposed to have been killed by the barkbeetle 94 



TEXT FIGURES. 



Fig. 1. The pear thrips {Euthrips pyri): Head and prothorax from side, show- 

 ing moutli i^arts 3 



2. The pear thrips: Eggs 6 



3. The pear thrips : Ovipositor and end of abdomen from side 7 



4. The pear thrips : Larva 8 



5. The pear thrips: Nymph or pupa 9 



6. The pear thrips: Adult 10 



7. A fungus which attacks the pear thrips: Active fruiting stage on adult 



thrips, branching mycelia, forming spores 14 



8. Resting spores of a fungus found within dead thrips larva 15 



9. Trumpet leaf-miner of the apple (Tischcria malifoliella): Adult, larva, 



pupa, details 25 



10. The lesser peach borer {Synanthedon pictipes): Adult, eggs, larva, pupa, 



cocoon, and pupal skin 35 



11. The lesser apple worm (Enarmonia pninivora) : Moth, larva, cocoon, 



pupa 55 



12. The grape-leaf skeletonizer {Harrisina americana) : Young larvae feeding 



on leaf 80 



13. The grape-leaf skeletonizer: Eggs on leaf, egg enlarged 81 



14. The grape-leaf skeletonizer: Larva and details 82 



15. The grape-leaf skeletonizer: Cocoon 83 



16. The grape-leaf skeletonizer: Pupa 83 



17. The grape-leaf skeletonizer: Moth 84 



18. Work of the peach-tree barkbeetle {Phlocoiribus liminaris): Galleries in 



limb of peach tree 96 



19. Work of the peach-tree barkbeetle: Galleries in wood of peach tree 97 



20. The peach-tree barkbeetle: Adult, egg, larva, pupa 99 



ERRATA. 



Page 29, line 4 from bottom, for Clastcroccrns read Closlcrncrnis. 

 Page 29, line 3 from Ijottom, for Zagromosoma read Zagrummosoma. 

 Page 45, line 24, for Mcsoslernus read Mcsoslams. 

 Pages X7 to 90, wlierever it occurs, for Tlarrisana read Ildrrisimi. 

 Page 87, line 12 from ])()ttom, for inchneumon read ichneumon. 

 Page 89, line 14 from l)()ttom, for Ilurrisana read Ilarrisonia. 

 Page 92, line 3 from bottom, for Fhluolribus read Fhlwotribus. 



