152 



PLANT INDEX. 



Aldee, Alnus ulutinosa 



Crijptorhiinchus lapathi, Mottled Wil- 

 low Weevil, 132 



Apple, Pyrus mains 



Tmetoccra ocellana, Eye-spotted Bud 

 Moth, 137-139 



Bedstkaw, Galium verum and spp. 



Cidaria dotata, Spinach Moth, 46-48 

 Beech, Fagiis sylvatica 



Cryptococcus fagi, Beech-bark Felt 

 Scale, 139-141 



Garbage, Brassica oleracea 



Pieris brassicce, Large Cabbage White 

 Butterfly, 1-6 



Pieris napi. Green-veined White But- 

 terfly, 1-3 



Pieris rapce, Small White Butterfly, 

 1-3 



Calceolaria 



Bipalium kewense, Land Planarian, 

 111-113 



Cloveb, Trifolium spp. 



Apion apricans, Purple Clover Weevil, 



20-26 

 Apion assimile, 20-26 

 Apion trifolii Clover-head Weevil, 20- 



26 



CoBN AND Grass, Triticum, &c. (Gravi- 

 inece) 

 Cecidomyia destructor, Hessian Fly, 



33-40 

 Cephus pygmcBus, Corn Sawfly, 40 

 Hylemia coarctata, Wheat-bulb Mag- 

 got, 40 

 Pachyrhina maculosa, 26-32 

 Tipula maculosa. Spotted or Yellow 



Daddy Longlegs, 26-32 

 Tipula oleracea. Cabbage Daddy Long- 

 legs, 26-32 



Currant, Ribes spp. 



Cidaria dotata. Spinach Moth, 46-48 

 Phytoptus ribis. Currant Gall Mite, 

 40-45 



Dock, Rumex sp. 



Cryptorhynchus lapathi. Mottled Wil- 

 low Weevil {" Alder-killer," Ger- 

 man), 132 



Hop, Hiimulus lupulus 



Agriotes obscurus. Small Brown Click 

 Beetle, 64 



Agriotes sputator, Pasture Click Beetle, 

 64 



Athous rhombeus, Carnivorous Wire- 

 worm Beetle, 64 



Psylliodes attenuata. Hop Flea or Hop- 

 cone Beetle, 70-76 



Pear, Pyrus communis 



Dipilosis pyrivora. Pear Gnat Midge, 

 92-101 



Selandria atra. Pear and Cherry Saw- 

 fly, 101-110 



Poplar, Populus spp. 



Dicranura vinula, Puss Moth, 114-119 



Raspberry, Rubus idaus 

 Lampronia rubiella, 119-126 



Strawberry, Fragaria spp. 



Harpalus ruftcornis. Ground Beetle, 

 Bat Beetle, 143-145 



Tipula maculosa. Yellow or Spotted 

 Daddy Longlegs, 26-32 



Tipula oleracea, Cabbage Daddy Long- 

 legs, 26-32, 145 



Willow Osier and Sallow, Salix spp. 

 Cryptorhynchus lapathi. Mottled Wil- 

 low Weevil ("Alder-killer," Ger- 

 man), 131-136 

 Dicranura vinula, Puss Moth, 114 



INDEX TO UNCLASSIFIED "HOSTS." 



Cheese and Bacon [7-20 



Piophila casei, Cheese and Bacon Fly, 



Flour and Grain 



Ephestia kuhniella, Mediterranean 



Flour Moth, 54, 76-92 

 Tenebrioides (Trogosita) muritanicus, 



56-59 

 Tribolium confusum, Confused Flour 



Beetle, 49-56 

 Tribolium ferrugineum, Eust-red Flour 



Beetle, 49-56 



Geouse, Lagopus scoticus [58-63 



Ornithomyia avicularia, Grouse Fly, 



Mills 



Ephestia kuhniella, Mediterranean 

 Flour Moth, 76-92 



Sheep (Lamb), Ovis aries 



Ornithomyia avicularia, Grouse Fly, 

 63 



Weevil, Otiorhynchus sulcatus 



Athous rhombeus. Carnivorous Click 

 Beetle, 64, 66, 67 



WOEMS 



Testacella haliotidea, Snail Slug, 126- 

 131 



