Helophorus rugosus = H. fennicus, 104 

 Hessian Fly, 38 — 36 ; little report of 



presence in 1894, 34 ; damage from, 



lessened by good growing Aveather, 



35 

 Heterodera i-adicicola (see Root-knot 



Eelworm) 

 Hetei'odera schachtii (see Beet Eel- 

 worm) 

 Hop, 70 — 75 ; beneficial insects found, 



70 — 75; Eelworms at Hop-roots, 52 



—60 

 Horse, 75—77 

 Horse Warble Fly, 75 — 77 ; unusually 



large number of warbles on mare, 75 ; 



horse-hides seldom much warbled, 



77 

 Hypoderma bovis (see Appendix) 



,, ? Loiseti (see Horse Warble), 75 

 Hylemyia coarctata (see Wheat-bulb 



Maggot), 41 



Juhdffi, 78—82 



Julus guttatus, J. londinensis, J. ter- 

 restris, short descriptions of, 78 



Kerosine Emulsion, to prepare, 65; 

 application of it while heated found 

 serviceable, 65 ; a good preventive of 

 Pear-leaf Blister Mite, 91 



Knapsack Sprayer, 66 



Ladybird Beetles, 72- 

 Lappet Moth, 4 — 6 



-74 



Mangolds, 78; attacks of Millepedes to, 

 80, 81 ; Pterostichus madidus at, 96 



(?) Miana expolita, 37 



Millepedes, 78 — 82 ; colour of various 

 kinds, 78 ; at Pea-roots, and in Vine- 

 borders, 79 ; at Mangolds, 80, 81 



Mites, Gall, 86—93 

 ,, Haystack, 27 

 „ Pear-leaf BUster, 86—91 



Mud-beetle, Turnip, 104—110 ; method 

 of maggot-attack, 107 — 109 ; infesta- 

 tion most observed where Turnips 

 have recently been grown near, 109 



Mustard, 83—86 



Notodonta canielina, caterpillar on 



Apple (note), 3 

 "Nettle-top" in Hops, in connection 



with Eelworm attack at the roots, 52, 



69 



Gistrus bovis (see Hypoderma bovis and 



Appendix) 

 Oscinis frit, slight injury from, 41 

 Ox Bot Fly (see Warble Fly, Appendix) 

 Ox Gad Fly, Appendix xliv ; should not 



be confused with Ox Warble Fly, xlv 



Pear-leaf Blister Mite, 86—92 ; descrip- 

 tion of attack, 87, 88 ; short descrip- 

 tion of Blister Mite, 89 ; condition 



during winter, 89 ; Kerosine Emulsion 

 as a special remedy for, 90 ; experi- 

 ments as to use of, in U.S.A., 91 



Percival, Prof. J., discovery of Eelworms 

 in Hop-roots by, 52 — 54 



Phytoptidffi (Gall Mites), 86 



Phytoptus ribis, 92, 93 

 pyri, 86—92 



Plutella cruciferarum, 98 



Polydesmus complanatus, 78 



Psila rossB, 117 



Pterostichus madidus, at Strawberry 

 fruit, 94; at Mangolds, 96 



Bed Spider, Gooseberry and Ivy, 62 

 Root-knot Eelworm, 60, 61 ; females 

 much resembling those of H. schachtii 

 in shape, 60 ; description of gall- 

 growths formed by, 61 



Scymnus minimus, 72 



Siphonophora granaria, 24 



Smerinthus ocellatus, 1 



Smynthurus luteus and S. niger (see 

 Springtails) 



Soft-soap and sulphur compound, ser- 

 viceable insecticide, 69 



Springtails, 110 — 114; injurious to Tur- 

 nip-leafage, 111 ; description of, 113 ; 

 '• springing-fork " of, 113 



Stem Eelworm, 49 ; explanation of 

 figures of, in Plate, 50, 51 ; dimensions 

 of, 51 ; some of the plants attacked 

 by, 51 ; discovery of, in Hop-roots by 

 Prof. Percival, 52 — 54 ; observations 

 on this infestation, 54 — 56 



Strawberry, 93 — 97 ; Ground Beetles 

 injurious to fruit of, 93, — descrii^tions 

 of sjDCcies of beetles mentioned, 95,^ 

 attack of kind specified on ripe Straw- 

 berry fruit at locality in the Nether- 

 lands, 95, — known to be partly vege- 

 table-feeders, 96 



Tabanus bovinus, Appendix xliv 



Thrips, Corn, observation regarding, 42 



Tortoise-shell Butterfly, Large, 6 — 12 

 caterpillars of, on Cherry, 8 — 10 

 habits of caterpillars, 9 ; eggs of, 10 

 chrysalids of, 10, 11 ; on Elm, 11 



Trichocera hiemalis and T. regelationia 

 (see Wmter Turnip Gnats) 



Tulip-root in Oats, 41 



Turnip, 98—116 



Turnip Mud-beetle, 104—110; locahties 

 where found, 105 ; description of 

 beetle, 105; descriijtion of maggot, 

 and method of attack to Turnijj-bulb 

 and leafage, 106 — 107 ; observations 

 on, in 1893 and 1894, 108, 109 



Tylenchus devastatrix (see Stem Eel- 

 worm) 



Tylenchus tritici, 48 



Tyroglyphus longior, 27 



Vanessa iDolychloros, 6 



