September, 1941 
Cornus sp. 
Neolygus omnivagus Knight, 163 
tParacalocoris scrupeus (Say), 177 
Corylus americana 
Microphylellus longirostris Knight, 42 
tMicrophylellus modestus Reuter, 41 
Corylus sp. 
TCeratocapsus pilosulus Knight, 109 
{Lopidea media (Say), 89 
tPlagiognathus politus Uhler, 29 
Cotton; see Gossypium herbaceum » 
Cottonwood; see Populus 
Crabapple; see Pyrus coronaria 
Cranberry; see Vaccinium 
Crataegus mollis 
tMicrophylellus modestus Reuter, 41 
Crataegus punctata 
Orthotylus serus Van Duzee, 102 
Crataegus tomentosa 
Orthotylus serus Van Duzee, 102 
Crataegus sp. 
*Deraeocoris fasciolus Knight, 70 
|Deraeocoris quercicola Knight, 71 
Diaphnidta pellucida Uhler, 92 
Heterocordylus malinus Reuter, 107 
Lygidea mendax Reuter, 146 
Neolygus univittatus Knight, 160 
Paracalocoris pallidulus McAtee, 178 
Paracalocoris scrupeus (Say), 177 
Plagiognathus dispar Knight, 39 
Croton capitatus 
Psallus seriatus (Reuter), 45 
Croton texensis 
Psallus seriatus (Reuter), 45 
Croton sp. 
Psallus seriatus (Reuter), 45 
Cudweed; see Gnaphalium uliginosum 
Cup plant; see Si/phium perfoliatum 
Currant; see Rives 
Cydonia oblonga 
Lygidea mendax Reuter, 146 
Cynodon dactylon 
Trigonotylus brevipes Jakovlev, 129 
Cypress, bald; see Taxodium distichum 
Dactylis glomerata 
Stenotus binotatus (Fabricius), 175 
Daisy; see Chrysanthemum 
Daisy, oxeye; see Chrysanthemum leucanthemum 
Dock, see Rumex 
Dog fennel; see Anthemis cotula 
Dogwood; see Cornus 
Elder; see Sambucus 
Elm; see U/mus 
Elm, American; see U/mus americana 
Erigeron canadensis 
Lygus apicalis Fieber, 154 
Erigeron sp. 
tLygus plagiatus Uhler, 153 
Euphorbia adenoptera 
Semium hirtum Reuter, 75 
Euphorbia humistrata 
Semium hirtum Reuter, 75 
Evonymus atropurpureus 
Paracalocoris evonymi Knight, 178 
Fagus grandifolia 
Neolygus fagi Knight, 161 
Fagus sp. 
Neolygus hirticulus (Van Duzee), 163 
ern, cinnamon; see Osmunda cinnamonea 
Fern, shield, see Aspidium spinulosum 
Ferns (undifferentiated) 
Ceratocapsus setosus Reuter, 115 
KNIGHT: PLANT Bucs, or Miriwasz, oF ILLtINors 
Figwort, see Scrophularia leporella 
Fleabane; see Erigeron 
Foxglove, false; see Gerardia pedicularia 
Fraxinus americana 
Neoborus amoenus (Reuter), 140 
Neoborus canadensis (Van Duzee), 141 
Neoborus geminus (Say), 140 
Neoborus glaber Knight, 140 
Neoborus palmeri Reuter, 141 
Neoborus pubescens Knight, 141 
Neoborus rufusculus Knight, 143 
Neoborus vittiscutis Knight, 143 
Troptidosteptes cardinalis Uhler, 139 
Xenoborus pettiti (Reuter), 145 
Fraxinus nigra 
Xenoborus commissuralis Reuter, 144 
Xenoborus neglectus Knight, 144 
Xenoborus plagifer (Reuter), 144 
Fraxinus pennsyloanica 
Neoborus amoenus (Reuter), 140 
Fraxinus sp. 
tLopidea media (Say), 89 
Neoborus spp., 139 
Neolygus hirticulus (Van Duzee), 163 
tPlagiognathus dispar Knight, 39 
Pseudoxenetus scutellatus (Uhler), 118 
Xenoborus spp., 143 
Gale, sweet; see Myrica gale 
Galium aparine 
Criocoris saliens (Reuter), 49 
tLopidea heidemanni Knight, 88 
Polymerus proximus Knight, 168 
Galium boreale 
Polymerus untfasciatus (Fabricius), 167 
Garlic, wild; see 4/lium canadense 
Geranium maculatum 
Horctas dislocatus (Say), 173 
Gerardia pedicularia 
Macrolophus separatus (Uhler), 55 
Gleditsia triacanthos 
tLopidea heidemanni Knight, 88 
Lopidea incurva Knight, 88 
Neolygus tinctus Knight, 157 
Paracalocoris gleditsiae Knight, 180 
Pilophorus walshit Uhler, 123 
Plagiognathus delicatus (Uhler), 37 
Plagtognathus gleditsiae Knight, 37 
Gnaphalium uliginosum 
Melanotrichus catulus (Van Duzee), 97 
Goldenrod; see Solidago 
Gooseberry; see Rides 3 
Gooseberry, prickly; see Ribes cynosbatt 
Goosegrass; see Galium aparine 
Gossypium herbaceum 
Lygus hesperus Knight, 151 
Psallus seriatus (Reuter), 46 
Grape; see Vitis 
Grape, muscadine; see Vitis rotundifolia 
Grass, Bermuda; see Cynodon dactylon 
Grass, bluejoint; see Ca/amagrostis canadensis 
Grass, brome; see Bromus inermis 
Grass, couch; see Agropyron repens 
Grass, orchard; see Dacty/is glomerata 
Grass, panic; see Panicum huachucae 
Grass, quack; see 4gropyron repens 
Grass, slough; see Spartina michauxtana 
Grasses (undifferentiated) 
Capsus ater (Linnaeus), 138 
Collaria meilleurii Provancher, 126 
Collaria oculata (Reuter), 127 
Miris dolabratus (Linnaeus), 127 
Stenodema trispinosum Reuter, 130 
Als 
