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Sugar Maple Borer (1. Place where egg was laid, showing exccrement or borings thrown out by borer; 1a.
1. Sugar Maple Borer (1. Place where egg was laid, showing exccrement or borings thrown out by borer; 1a. Another more than normally discolored; 2. Borer or grub in September from egg laid the same season; 3. Nearly full grown borer; 4. Adult or beetle; 5. Hole through which the beetle escaped from the trunk; 6. Sadust or borings packed in burrow. Maple Tree Pruner (Elaphidion villosum Fabr.): 7. Grub or borer in its burrow, a portion of the twig being cut away to show its work; 7a. Small twig with only a thin shell of bark, the wood being nearly all eaten; 8. Pupa in the burrow. the base of both twigs represented has ben nearly eaten off by the larva; 9. Adult or beetle. Cottony Maple Tree Scale Insect (Pulvinaria innumerabilis Rathv.): 10. Active or recently hatched young; 11. Adult females, many eggs can be found in the woolly masses; 12. Leaf with many young scales on its under side.
Leopard Moth (Zeusera pyrina Fabr.): 1. Empty pupal case from which female moth has emerged; 2. Female
2. Leopard Moth (Zeusera pyrina Fabr.): 1. Empty pupal case from which female moth has emerged; 2. Female moth with wings folded; 3. Male moth with wings expanded; 4. Nearly full grown caterpillar, probably a female; 5. Male pupa in its burrow; 6. Exit hole covered by a loose piece of bark which the pupa will push off as it partly emerges; 6a. Another; 7. Hole made for the pushing out of excrement and then closed by a silk web; 8. Same as above, but in use with particles of excrement dangling by silken threads; 9. Work of caterpillar a preceding season; 10. Work of caterpillar the present season; 11. Young twig eaten by larva, point of entrance at a. Maple borer (Sesia acerni Clem.): 12. Hole from which pupal case has fallen; 13. Bark nearly eaten through ready for the pupa to push out; 14. Empty pupal skin; 15. Two cocoons as spun; 16. Moths expanded and at rest; 17. Excrement of caterpillars; 18. Caterpillar in its burrow
Section through jacket showing borer holes in close proximity. One borer (Pholadidea penita) in place
3. Section through jacket showing borer holes in close proximity. One borer (Pholadidea penita) in place in burrow
Elm Borers and Elm Bark Louse : Elm Borer (Sapreda tridentata Oliv.). 1. Larva or grub within its burrow
4. Elm Borers and Elm Bark Louse : Elm Borer (Sapreda tridentata Oliv.). 1. Larva or grub within its burrow just under the bark; 1a, Larva or grum extended; 2. Pupa within its cell just under the bark; 3. Burrows of the grub as exposed after removal of the bark; 4. Adult beetle.
Elm Snout Beetles (Mardalis): 5. Adult of Magdalis armicollis Say; 6. Adult of magdalis barbita Say; 6a. Side view of same; 7. Larva of Magdalis barbita, side view; 8. Pupa of Magdalis barbita within its oval cell just beneath the bark; 8a Empty pupal case of Magdalis barbita; 9. Burrows of Magdalis barbita as exposed after removal of the bark; 9a. Holes in the bark through which the beetles escape; 9b. Showing how bark is loosened by the burrows of this insect.
Elm Bark Louse (Gossyparia ulmi Geoff): 10. Group of partly grown bark lice as they appear in the early spring; 11. Group of male cocoons; 12. Group of male cocoons; 13. Group of females; 14. Female; 15. Recently hatched young; 16. Mature female; 16a, Mature females on a twig; 17. Pesudimago or wingless male; 18. Winged male.... Note also the long, white, anal filaments
Drill or Borer, Urosalpin cineria
5. Drill or Borer, Urosalpin cineria
Borer Myxine Hagfish Ramper Eel Poison Ramper Myxine glutinosa Gastrobranchus caecus
6. Borer
Myxine
Hagfish
Ramper Eel
Poison Ramper
Myxine glutinosa
Gastrobranchus caecus
Enemies of the Oyster (1-Drill or Borer; 2-Periwinkle; 3-Starfish)
7. Enemies of the Oyster (1-Drill or Borer; 2-Periwinkle; 3-Starfish)
Coon Oyster from Pile Bayou, Little Dauphin Island (Upper Figure); Specimens of Young Oysters Attached
8. Coon Oyster from Pile Bayou, Little Dauphin Island (Upper Figure); Specimens of Young Oysters Attached to Old Shell, From Reef North of Little Dauphin Island. One of the Shells Shows Hole Made by Borer (Lower Figure)
Shell of Pholadidea penita, a Rock Borer
9. Shell of Pholadidea penita, a Rock Borer
   
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