INSECTS Siphonophora polygon!, Buck. hieracii, Kalt. millefolii, Kalt. Milfoil circumflexa, Buck. Cineraria pisi, Kalt. Pea scrofulariae, Buck. Figwort lactucae, Kalt. Lettuce rubi, Kalt. Bramble pelargonii, Kalt. Geranium urticae, Kalt. Nettle convolvuli, Kalt. Periwinkle avellanae, Sch. Hazel jaceae, Kalt. Sowthistle rosarum, Walk. Briar solidaginis, Fab. Golden rod carnosa, Buck. Nettle muralis, Buck. Lettuce sonchi, Linn. Sowthistle cichorii, Koch. Corn cockle Phorodon humuli, Schr. Hop malaheb, Fourc. Sloe galeopsidis, Walk. Sloe Myzus cerasi, Kalt. Cherry persicae, Sulz. Peach ribis, Kalt. Currant Rhopalosiphum dianthi, Schr. Everywhere lactucae, Pass. Sowthistle nymphasae, Linn. Water lily Siphocoryne pastinaceae, Linn. Carrot capreae, Fab. Willow Drepanosiphum platanoides, Kalt. Maple Megoura viciae, Buck. Vetch Aphis brassicae, Linn. Cabbage crataegi, Walk. Blackthorn subterranea, Walk. Roots malvae, Koch. Tobacco mali, Kalt. Apple urticaria, Kalt. Nettle penicillata, Buck. Willow herb saliceti, Kalt. Withy pyraria, Pass. Pear cucurbiti, Buck. Melon sorbi, Kalt. Mountain ash tanacetina, Walk. Tansy pruni. Reaum. Medlar hieracei, Kalt. farfarae, Koch. Coltsfoot scabiosae, Pass. Scabious padi. Bird cherry epilobii, Kalt. Willow herb jacobeae, Schr. Ragwort acetosae, Buck. Sorrel rumicis, Linn. Dock atriplicis, Linn. Orache sedi, Kalt. House-leek papaveris, Schr. Poppy cardui, Kalt. Thistle instabilis, Buck. Feverfew Aphis pyri, Fonsc. Crab sambuci, Linn. Elder opima, Buck. Cineraria amygdali, Fonsc. Peach myosotidis, Koch. Everlasting persicae, Sulz. Nectarine Hyalopterus pruni, Fab. Peach trirhoda, Walk. Columbine melanocephalus, Buck. Bladderwort dilineatus, Buck. Moss rose Chaitophorus aceris, Linn. Maple salicivorus, Walk. Willow populi, Linn. White poplar Callipterus betularius, Kalt. Beech coryli, Goetz. Hazel quercus, Kalt. Oak quercea, Kalt. betulicola, Kalt. Birch castaneae, Buck. Chestnut LACHNIN/E Pterocallis alni, Fab. Alder juglandicola, Kalt. Walnut tiliae, Linn. Lime Phyllaphis fagi, Linn. Beech juglandis, Frisch. Walnut Lachnus agilis, Kalt. Scotch fir macrocephalus, Buck. Fir pini, Linn. Scotch fir pinicolus, Kalt. Larch viminalis, Fonsc. Willow Stomaphis quercus, Raum. Oak Trama troglodytes, Heyd. Roots Dryobius croaticus, Koch. Oak roboris (?), Linn. Oak SCHIZONEURIN.S Schizoneura lanigera, Hausm. Apple fodiens, Buck. Roots fuliginosa, Buck. Austrian pine ulmi, Linn. Rolled elm leaves corni, Kalt. Medlar PEMPHIGIN./E Pemphigus fuscifrons, Koch. Lettuce roots bursarius, Hart. Poplar lactucarius, Pass. Goosefoot Tetraneura ulmi, De Geer. Elm galls Thelaxes dryophila, Westw. Oak Glyphina pilosa, Buck. Scotch fir CHERMESIN.S Chermes corticalis, Kalt. Fir abietis, Linn. Spruce galls laricis, Hartig. Larch pini, Koch. Scotch fir Phylloxera punctata, Licht. Oak vastatrix, Planchon. In greenhouses Grass roots Roots of the Forda formicaria, Heyd. Tychea phaseoli, Pass. scarlet runner 175