INSECT INDEX. 



67 



Wire worms, injuries, v, 97; vi, 22, 26, 70; vii, 

 22,31. 

 Larvaii, v,97; vi, 22. 25, 84, 116, 119; vii, 20,21. 

 Luminous property, v,106. 

 Metamorphoses, vii, 31. 

 Names, v, 96,97. 

 Occurrence in 1870, vi,23. 

 1875, vi,3,22. 

 1877. vii, 31. 

 Eemedies, vi, 11, 27, 119; vii, 22, 23, 31, 32. 

 Species, vi, 116; vii,26. 

 Structure. iv,28: v,28. 

 W-marlced Cutworm, Clandestine Owlet 

 moth, Agrotis clandestina, vii, 95, 213, 278; 

 x,135. 

 woeberana, Semasia, i,82. 

 Wolf Moth, Grain Moth, Tinea granella, iv, 



183; vii, 265, 280, 283. 

 Wood-beetles, Aberrant. (See Aberrant 

 Wood-beetles.) 

 Long-horned. (SeeLong-horned Wood- 

 borers.; 

 Saw-horned. (See Saw-horned Wood- 

 beetles.) 

 Wood-borers, Long-horned. (See Long- 

 horned Wood-borers.) 

 Saw-horned or Hammer-headed. (See 



Saw-horned Wood-borers.) 

 Short - horned. (See Short - horned 

 Wood-borers.) 

 Wood-nymph, Beautiful. (See Beautiful 

 Wood-nymph.) 

 Pearly. (See Pearly Wood-nymph.) 

 Wood Wasps, Crabronida\ vi,71. 

 Woolly Aphis of the Apple-tree, Apple- 

 root Plant-louse, Schizoneura(Eriosoma, 

 Aphis) lanigera and Pemphigus pyri, i,55, 

 vlii, 126, 150. 

 American and European species, viii, 



127,128. 

 Chronological history, viii, 126. ! 

 Compared with Schizoneura riieyi, viii, 



136. 

 Cottony secretion, i,61; viii, 123, 130, 135. 

 Eggs, viii, 130, 135. 



Figure of antenna of larva, viii, 126. 

 antenna of winged insect, viii, 126. 

 beak, viii, 126. 

 insect enemy, viii, 131. 

 larva, viii, 126. 



leg of perfect insect, viii, 126. 

 root infested by apple-root plant- 

 louse, viii, 126. 

 winged insect, viii, 126. 

 Food, viii, 133. 

 Habits and mode of life, viii, 28, 31, 129, 



130,131,134. 

 Hibernation, viii, 124,131,134. 

 Importation, i,56; viii, 126, 127, 128, 129, 133. 

 Injuries, viii, 129, 130. 

 Insect enemies, i,62; viii, 131. 

 Larva, i, 60; viii, 129. 

 Nomenclature, i,7,8: viii, 126. 

 Propagation, viii, 130. 



Woolly Aphis of the Apple-tree, range, i, 55, 

 56,58,59; iv.l98, ; viii, 126, 127, 128. 

 Remedies, i,63; iv, 198; vi, 10,33; viii, 132. 

 Root and trunk forms, comparison and 



differences, i, 55, 56, 57; viii, 128, 129, 133. 

 Root forms, habits and mode of life, 

 1,56.58,59; viii, 128. 

 history, viii, 128. 

 injuries, i,57; iv, 198; viii, 129. 

 remedies, iv, 198. 

 Synonyms, viii, 126. 

 Trunk form, viii, 129. 



remedies, viii, 135. 

 Type of genus, viii, 43. 

 Venation of wings, i,56; viii, 128. 

 Winged female, i,60; viii, 134, 135. 

 Winged individuals, viii, 127, 129. 

 Wingless female, i,60; viii, 134, 135. 

 Wingless or apterous individuals, viii, 

 127. 

 Woolly Aphis of the Elm-tree, Schizoneura 

 riieyi, viii, 136. 

 of the Oak, Oak Blight, Schizoneura 

 querci. viii, 139. 

 Woolly Bear. (See Yellow Bear.) 

 Worms, Vermes, ix,58. 



xanthelis. Aphis, viii, 211, 

 Xantholinus, v, 69, 70, 72. 

 Xanthonia, v, 166, 168. 

 xanthoptera, Arphia, ix,94. 



ffidipoda, ix,94. 

 xanthopterum. Acridium,ix,94. 

 xanthopterus, Tomonotus, ix,94. 

 Xenos, V, 118. 



xerene, Microrhopala, v, 175. 

 Xerophylla, i, 22, 

 Xiphidra albicornis, x,71. 



mellipes, x,7l. 

 Xyleutes, vi,36; vii, 271. 



robiniai, vi, 34, 42. 44, pp. i, ii,iii; vii, 198, 

 277,279,281; x,152. 

 Xylina. vii, 272. 



cinera, vii, 227, 277, 279, 280, 282, 

 xylina, Anomis, vii, 228. 

 xylographus, Tomicus, v, 147. 

 Xylophaga, v, 19, 127, 128, 145. 

 Xylophilus, v, 116. 

 Xyloryctes satyrus, v,84. 

 xylostella. vii, 266. 

 Xylota, i,62. 

 Xylotrogi. v,93. 



Yellow Ant, Formica aphidicola, i, 61; viii, 

 150. 

 Bear, Woolly Bear, Virginia Ermine 

 moth, Spilosoma virginica, iv. 188, 189; 

 vii. 80, 183, 277, 278, 280, 281 ; x, 116, 169. 

 Canker-worm, Hibernia tilaria, x, 149; 

 xi, 15, 25, 34, 54. 



