1 HOST INDEX. 



Manzanita (Arctostaphylos spp.). PAGE 



California tussock moth, Hemerocumpa vetusta 409 



Great Basin tent-caterpillar, Malaeosoma fra gilts 411 



Ivy or oleander scale, Aspidiotua hederce 177 



Manzanita Serica, Serica anthracina 250 



Wheat thrips, Frankliniella tritici 51 



Maple (Acer spp.). 



Apple leaf-hopper, Empoasca mali 63 



Black scale, Saissetia olece 154 



Brown elm scale, Lccanium canadense 144 



Cottony maple or vine scale, Pulvinaria vitis 136 



European fruit-tree scale, Aspidiotus ostrewformis 179 



Fall cankerworm, Alsophila pometaria 415 



Flat-headed apple-tree borer, Chrysobothris femorata 236 



Gloomy scale, Chrysomphalus tenebricosus 186 



Grape leaf-hopper, Erythroneura comes 65 



Greenhouse thrips, Heliothrips htemorrhoidalis 54 



Ivy or oleander scale, Aspidiotus hederw 177 



Lesser shot-hole borer, Xylcborus xylographus 314 



Omnivorous looper, Sabulodes caberata 419 



Oyster-shell scale, Lepidosaphes ulmi 190 



Pernicious or San Jose scale, Aspidiotus perniciosus 180 



Potato flea-beetle, Epitrix cucumeris 261 



Putnam's scale, Aspidiotus ancylus 174 



Soft brown scale, Coccus hcspcridum 143 



Spring cankerworm, Paleacrita vernata . 417 



Two-spotted mite, Tetranychus telarius 16 



Walnut scale, Aspidiotus juglans-regiw 178 



Maple, Big- leaf (Acer macrophyllum) . 



Willow scale, Uhionaspis salicis-nigrw 1<!3 



Maple, California — see Big-leaf Maple. 



Maple, Flowering (AbntUon spp.) — also see Indian Mallow. 



Black araucaria scale, Chrysomphalus rossi 1S5 



Fuller's rose beetle, Pantomorus fulleri 298 



Two-spotted mite, Tetranychus telarius 16 



Maple, Oregon — see Big-leaf Maple. 



Maple, Water — see Big-Leaf Maple. 



Maple, White — see Big-leaf Maple. 



Maranta {Maranta sp.). 



Chaff scale, Parlatoria pergandii 193 



Marguerite or Paris Daisy (Chrysanthemum frutvscens) — also see Chrys- 

 anthemum. 



Chrysanthemum leaf-miner, Phytomyza chrysanthemi 350 



False chinch bug, Nysius erica 207 



Marigold (Calaudula officinalis). 



Beet carrion beetle, Silpha opaca 219 



Marsh Mallow (Althma officinalis) — also see Hibiscus. 



Thistle butterfly, Vanessa cardui 462 



Massangea (Massungea sp.). 



Chaff scale, Parlatoria pergandii 193 



Matthiola — see Stocks. 



Mayflower — see Trailing Arbutus. 



Mcdicago sativa — see Alfalfa. 



Melaleuca (Melaleuca sp.). 



Black scale, Saissetia olece 154 



Melia — see China-ball Tree and Umbrella Tree. 



Melica — see Melic Grass. 



Melilotus italica — see Bur Clover. 



Mentha spicata — see Spearmint. 



