60 



Stagmomantis Carolina, an enemy to bees, XXII, 108. 

 Steam and superheated water as insecticides, IX. 62. 

 Steganoptycha sp., damage by, in Delaware, XXVI, 69. 

 Stenomacra marginella, enemy of figs in Mexico. XXX. 93. 

 Stomoxys calcitrans. found in houses. IV, 43. 

 habits of, V, 122. 

 liable to carry disease, XXX. 43. 

 Strategus aiitseus, injury by, in Alabama. XXII. 105. 

 Strebla vespertilionis, notice of. V. 140. 

 Sturmia distincta, parasite of the bagworm. IX. 42. 

 Sugar-cane insects in Eeunion, XXX, 82. 

 Sulphide of soda wash against San Jose scale, III, 58. 

 Swarming, methods of. I. 95. 



prevention of. I. 101. 

 Symphoromyia sp., sucking blood, V. 71. 

 Syromastes marginatus, injuring rhubarb in Xorway. IX. 79. 

 Syrphus ainericanus. feeding on Aphis mali, XXVI, 68. 



pea lice, XX, 97: XXVI. 71. 

 Schizoneura, IX, 79. 

 Systena blanda, account of, XXIII, 22. 



effect of cold winter on, XXIII, 58. 

 injurious to pear, XX. 63. 

 work of. in Maryland. XXVI, S3, 

 frontalis, on sugar beets in Xew York. XX, 60. 

 tieniata, relation of. to S. blanda, XXIII. 23. 

 work of, in Ohio. II, S7. 

 Tabanidee, remedy for, XX. 24. 

 Tabanus annulatus, notice of, V, 66. 



atratus, life history of, V, 61. 

 bovinus, notice of, V, 68. 

 costalis, habits and life history of. V. 65. 

 lineola, habits of, V, 63. 



life history of. V. 64. 

 molestus, notice of, V. 6S. 

 stygius. habits and life history, V, 67. 

 Tachardia lacca, mention of, IX, 38. 

 larrea?, use of, IX, 38. 

 species of, in Xorth America, IX, 39. 

 Tachina mella. parasite of Orgyia leucostigma, IX, 16. 

 Telenomus grapta?. oviposition of. XXVI, 32. 



parasite of Polygonia interrogatonis, VII. 49. 

 Telephorus obscurus. attacking apples in Xorway. IX. 80. 

 Temelucha macer. parasite of Hellula undalis, XXIII, 60. 

 Temperature control of scale insects, XX, 73. 



effect on hibernation of insects, IX, 18. 



household insects, VI. 13. 

 influence of, on chinch bugs. XV, 38. 

 Tenebrio molitor, habits of. IV. 117. 



life history of. IV. 116. 

 obscurus, characters of. and damage by, IV. 117. 

 experiments with cold on. VI. 1<>. 

 larvae in soda ash. VII, 81. 

 Tenebroides corticalis, predaceous on Liopus variegatus. VII. 72, 

 mauritanicus. habits of. IV. 122. 



