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Elm Leaf Beetle and Bag or Basket Worm : Elm Leaf Betle (Galerucella luteola (Muller) 1.Cluster of eggs;
1. Elm Leaf Beetle and Bag or Basket Worm : Elm Leaf Betle (Galerucella luteola (Muller) 1.Cluster of eggs; 1a. Side view of single egg,; 2. Recently hatched larva or grub; 3. Full grown larva or grub; 4. Pupa; 5. Overwintered beetle; 6. Fresh, brightly colored beetle; 7. Leaf showing eating of larvae or grubs and a few holes eaten by beetles, eggs in clusters, cast larval skins and full grown larvae; 8. Leaf nearly skeletonized by grubs of larvae and on it three cast larval skins; 9. Leaf showing holes eaten by beetles.
Bag or Basket Worm (Thyridopterys ephemeraformis Haworth): 10, Bag or larval case as it passes the winter; 11. Same as preceeding but cut open to show the pupal case and the eggs; 12. Several eggs; 13. Recently hatched larva; 14. Cases of young larvae on twit. Notice that the dark ones are on the dark bark and the light ones on the green bark; 14a. Leaf eaten by young larvae; 15. Older larvae in their bags which are ornamented with pieces of leaves, one is on the leaf, another hanging from the edge and a third dangling by a thread; 16. Full grown larva removed from its case; 17. Full grown larva walking with its case; 18. Male pupa; 19. Female moth; 20. Male moth with wings spread; 21. Female pupa; 22. Bag of male hanging from a leaf and with the empty pupal case protruding from its lower extremity.... The leaf in front of the bag shows the work of half grown larvae
Sepedon and Tetaoncera : Sepedon fuscipennis Loew.: 1. Larva, dorsal view; 2. Larva, lateral view; 3.
2. Sepedon and Tetaoncera : Sepedon fuscipennis Loew.: 1. Larva, dorsal view; 2. Larva, lateral view; 3. Puparium, dorsal view; 4. Puparium, lateral view; 5. Open puparium; 6. Seed floating which the puparium simulates; 7. Imago, dorsal view; 8. Imago, lateral view.
Tetanoccera pictipes Loew: 9. Larva, dorsal view; 10. Larva, lateral view; 11. Puparium, lateral view; 12. Puparium, dorsal view; 13. Imago. dorsal view; 14. Imago, lateral view
Simulium Society: 1. Two imagos of hydropsyche; 2. Imago of hydorpsyche; 3. Larva of hydropsyche; 4.
3. Simulium Society: 1. Two imagos of hydropsyche; 2. Imago of hydorpsyche; 3. Larva of hydropsyche; 4. Pupal case of hydropsyche; 5. Imago of roederiodes juncta; 6. Larva of Roederiodes juncta; 7. Pupa of Roederiodes juncta; 8. Pupa of Roederiodes juncta in an habitual position in the abandoned pupal case of Simulium venustum; 9. Egg mass of S. Venustum and two females ovipositing; 10. Pupae, empty pupa skins, and pupal cases of s.venustum; 11. Larva of S.venustum; 12. Male imago of Leuctra tenella, dorsal view; 13. Imago of Baetis pygmaea, lateral view; 14. Imago of Baetis pygmaea dorsal view; 15. Imago of Heptagenia pulchella; 16. Nymph of Heptagenia pulchella; 17. Pupal cases of hydropsyche sp.? in situ; 18. Pupae of Simulium venustum, in situ; 19,20. Larva of S.venustum in situ
Insects Affecting Oak : 1. Egg mass of Anisota senatoria Abb. & Sm., on underside of oak leaf; 2. Egg
4. Insects Affecting Oak : 1. Egg mass of Anisota senatoria Abb. & Sm., on underside of oak leaf; 2. Egg shells of same on partly eaten leaf; 3. Shrunken larvae of same infested by parasite on leaf stalks showing the characteristed feeding of the insect; 4. Nearly full grown larvae of same; 5. Recently hatched larvae feeding side by side and showing the skeletonizing of the earlier stages; 6. Male; 7. Female depositing eggs; 8. Full grown larva of Buck moth, Hemileuca maia Drury; 9. Male of Hemileuca maia Drury; 10. Egg mass of same; 11. Cacoecia fervidana Clem.; 12. Nest of same, composed of partly eaten, curled leaves; 13. Serica trociformis Burm. on leaf; 14. Same; 15. Two spotted tree hopper, Euchenopa binotata Say; 16. Another peculiar tree hopper, Crchasia galeata Fabr; 17. Another tree hopper, Thelia acuminatga Fabr.; 18 Dog day cicata or Harvest fly, Cicada tibicen Linn. in its resting position; 19. Acorn weevil, Balaninus nasicus Say, natural size; 20. Same
Insects Affecting Hard Pine : 1. Pitch mass of pitch twig moth Retinia constockiana Fern., with pupal
5. Insects Affecting Hard Pine : 1. Pitch mass of pitch twig moth Retinia constockiana Fern., with pupal shwll protruding therefrom in one case; the other shows old and recent pitch; 2. Pitch mass of pitch inhabiting midge, Diplosis resinicola Osten Sacken; 3. Shoot infested with Nantucket p9ine moth larva, Retinsia frustrana Scudd., showing the abortive growth; 4. Pitch pine needle gall fly, Diplosis pini-rigidae Pack., showing needles deformed by this insect; 4a. Work on needles of the prefious year; 5. Needles affected by the pine leaf miner, Gelechia pinifoliella Chamb., note the brown tips of the affected needles; 6. A pine sawfly larvae, Lophyrus abietis Harris in nabural position on the needles; below are stubs of eaten needles; 6a. Cocoon of same at base of pine needles; 7. Pine Chrysomela, Glyptoscelis pubescens Fabr...; 8. Pales weevil, Hylobius pales Herbst.; 9. Chrysobothris pusilla Bap. & Gory; 10. Chrysobothris florcola Gory; 11. Chrysobothris dentipes Germ.; 12, 13, and 14. Varieties of the light loving grapevine beetle, Anomala luciola Fabr., a species which is very abundant on hard pines; 15. Pilophorus crassipes Uhl....; 16. Magdalis alutacca Lec.; 17. Magdalis perforata Horn; 18. Lace winged fly, Chrysopa species; 18a. Cocoons of same on needles
   
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