133 



Sannina exitiosa, xvii. 26. See next en- 

 try, and also Peach-tree Borer. 

 Sanninoidea exitiosa. xxii. 121-124. See 

 also previous entry and Peach-tree 

 Borer. 

 Sap of trees as food of Common Green 

 June-beetle, xxiii, 102. 

 of Euphoria inda, xxiii, 101. 

 of Nitidulidae, xxiii, 181. 

 Saperda tridentata, xiv, 112. 

 saperdioides, Xylopinus, xix, 26 (Er- 

 rata). 

 Saprolegnia, xix, 22. 

 Sassafras as breeding plant of Mealy 



Flata, xxi, 84. 

 saucia, Agrotis. Misc. Ess., 72; xvi, 90, 

 93; xxiii. 23. 

 Peridroma margaritosa. xxiii, 17. 23. 

 Saunders. William, xiii, 63, 70, 72, 74, 

 82. 84. 97, 107, 111, 156: xiv. 77: Misc. 

 Ess.. 6, 21 ; xv. 2, 61, 68. 70; xvii. 33. 

 Saw-flies, willow, xiv, 100-102. 



false charge against, xiv, 100. 101. 

 Saw-flv larva?, infection experiments 

 with. xvii. 82, 83, 84; xix. 34. 

 infesting Black Locust, xiv, 116. 

 Sav, Thomas, xiii, 114, 116, 140; xiv, 



44. 67: xvi, 50, 60; xxi, 76. 

 sayi, Pterostichus, xiv, 16. 



Sphenophorus, xvi, 65. 

 scabra, Hypena, xiv, 74. 

 scabrinodis lobicornis, Myrmica, xviii, 8, 

 11. 53; xxiii. 158. 228. 

 Myrmica. xviii, 66. 

 Scale, Howard's, xx, 16, 17. 



insect infesting Strawberry, xiii, 60. 

 insects, or bark-lice, xxii, 112-121. 

 eggs of. xxii, 100, 103, 104. 112. 113. 



See also under Eggs, 

 gasoline blast-lamp used against. 



xxiv, 44. 45, 51. 

 general description of, xxii, 100, 112. 

 hibernation of, xxii, 104, 113. 

 identification of, in winter, xxii, 104. 

 importation of natural enemies of, 



xx, 22. 

 insecticide treatment for, xxii, 113. 

 methods of reproduction of, xxii, 



112-113. 

 nurserv, wintering in the egg, xxii, 

 118-121. 

 wintering partlv or fully grown, 

 xxii, 114-118. 

 (See also under various names of 

 scale insects.) 

 Minor Fruit, xx, 16, 17. 

 Obscure, xx, 16. 



Oyster-shell. See Oyster-shell Bark- 

 louse. 

 Pernicious. See San Jose Scale. 



Scale — Continued. 

 Pine-leaf, xx, 21. 



Putnam's, or Putnam, xx, 16, 17; xxii, 

 113, 114, 115. 116. See under Put- 

 nam Scale. 

 Rose, or Raspberry, See under Rose. 

 San Jose. See San Jose Scale. 

 Scurfy, xx, 16. See Scurfy Scale. 

 White Pine, injury by, xvii, XIII; xx, 

 Appendix. 

 Scales, ring-and-nipple, xxii, 114, 115, 

 116. See under San Jose Scale and 

 its allies. 

 Scaraba?idc-e, xxiii, 180, 183, 184. 

 as corn insects, xxiii, 183, 184. 

 as strawberry insects, xiii, 60. 

 Scavenger-beetles, xxiii, 180-184. 

 Scelodonta, xiii, 164, Addenda, I. 

 genus defined, xiii, 164. 

 nebulosus, xiii, 62, 86, 144, 150. 158, 

 161, 162, 163-166 (Addenda I, II). 

 and S. pubescens, distinguishing 



characters of, xiv, 82. 

 calendar of, xiii, 179. 

 description of, xiii. Addenda, II. 

 life history of, xiii, 164-166 (Ad- 

 denda, II) ; xiv, 81. 

 compared with that of other 

 strawberry root-worms, xiii, 

 166-169, 175 (Addenda II). 

 literature of. xiii. 163, Addenda, II. 

 (For injuries to vegetation by, nat- 

 ural enemies of, topical applica- 

 tions for, etc., see under Straw- 

 berry root-worms.) 

 pubescens, hibernation of, and char- 

 acters distinguishing from S. neb- 

 ulosus, xiv. 82. 

 CEnothera biennis preferred food 

 plant of, xiii. Addenda. II : xiv, 

 81. 

 schaufussi, Formica, xviii, 53. 66, 90; 



xxi, 161 ; xxiii. 161. 

 Schistocerca, xxi, 130. 

 alutacea, xxi, 130, 132; xxiii, 140-142. 

 americana, xxiii, 67, 140-142. 

 Schizoneura corni, xiii, 40; xvii. 65 : xviii. 



alternate food plants of. xviii. 57 

 lanigera, xxii. 106-107. See W 



Aphis, 

 panicola, xiii. 42. 49, 52; xiv. 29: 



53, 68, 85-93. 

 contrasted with S. venusta, xvi 

 description of, xiii. 51, 53; 



90-93. 

 food preference of, xviii, 88. 

 hibernating on roots of Blue- 



and Timothy, xiv, 28. 



oolly 

 xviii. 



ii. 93. 

 xviii, 



gra^ 



