41 



Harpalus caliginosus, noise of, XXII, 103. 



pennsylvanicus, notes on, XXII, 100. 

 mficornis, damaging strawberries in England, IX, 26. 

 Harvest mites, habits, of, Y, 251. 



remedies for, V, 252. 

 Helico])ia laelicis, bred from dead grasshoppers, VI, 92. 

 parasite of Orgyia leucostigma, IX, 17. 



Melanoplus differentialis, XXX, 25. 

 Heliothis armiger, damage by, in Maryland, XVII, 94. 

 to strawberry plants, VII, 84. 

 destructive in Georgia, XX, 58. 

 effect of cold winter on, XXII, 56. 

 injuring peaches in Ohio, IX, 41. 

 in 1900, XXX, 67. 

 rhexia?, on roses, XXVII, 101. 

 Hellebore, against potato beetles on tomato, IX, 46. 

 Hellula undalis, effect of cold winter on, XXII, 56. 

 habits and life history, XIX, 51. 

 notes on, XXII, 53. 

 Hemiteles tinea?, parasite of Tinea granella, VIII, 43. 

 Henous confertus, food plants of, XXII, 108. 



Heterachthes anieolus, boring in grapevines in Mexico, XVIII, 93. 

 Heteropus ventricosus=Pediculoides. 

 Hippelates flies, cause of sore eyes, VII, 86. 



flavipes, plebejus, and pusio, plague to animals, V, 134. 

 Hippobosca bubonis=01fersia americana. 



equina, attacking horses, V, 137. 

 Hippodamia convergens, attacking plum lice, IX, 78. 



feeding on Nectarophora destructor, XX, 98; XXVI 71. 

 glacialis, feeding on Nectarophora destructor, XXVI 71. 

 Hives, characters and parts of, I, 40. 

 Homalodisca coagulata, note on, XXX, 95. 

 Homalomyia brevis, liable to carry disease, XXX, 42. 



canicularis, found in houses, IV, 44. 

 Homalotylus sp., ladybird parasite in California, VI, 48. 

 Honey and pollen plants, list of, I, 65. 

 extracting, I, 75. 

 extractors, I, 49. 

 plants, cultivation of, I, 59. 

 production of, I, 22. 

 Hop merchants, what they are, VII, 47. 



plant, insects affecting, VII, 40. 

 Hoplia callipyge, injurious to roses, XXVII, 96. 



trifasciata, injurious to cherry trees in Ohio, XVII, 98. 

 Hoplismenus morulus, parasite of Polygonia interrogationis, VII, 49. 

 Horseflies, habits of, V, 58. 

 House ants, species of, IV, 96. 

 flies, species of, IV, 43. 



and mosquitoes, XVII, 55. 

 Household insects, effects of temperature on, VI, 13. 

 Hyalomma a?gyptius and africanum, mention of, V, 262. 



note on XXVI, 44. 

 Hyalopterus pruni, injuring plums and prunes in Colorado, IX, 78. 

 Hydnocera verticalis, from willow, XVII, 99. 



