Family Furcoripa (Lantérn-flies, €t@s) ccccstesos s<cevacesroevpns cocecene 114 
Ormenis pruinosa Say (Mealy Flata)...... Benno deceeee renee 115 
Scolops sulcipes Say (Candle-head)..............ssssscscseeevees ILIET/ 
Family CErcopip® (Spittle insects or Frog-hoppers)............+-. ala ly 
Aphrophora 4-notata Say (Four-spotted Spittle- 
REA SOC Eiiccgs gatavssirosndew devas eas enobateracecascsans bene y aemaeomeneanmenes 119 
Clastoptera proteus Fitch (Cranberry Spittle-insect) .. 120: 
Ptyelus lineatus Linn. (Lined Spittle-insect ).............00 121 
Ramily Passmp as ((eatihoppe4ns)!s ..s-<: <sseceseacatetserccatad-ccccesnesettasses 122 
Glassifieattion) of. JiaSSups 4 ssc. tus teetodencetaeteccoosnennassarssasesvacsoes L27 
Stbzfawnily \/agss tat nse k ned a tnaripas sacs eeoeaee anc enaaaade sonasawantee 128 
Tamnotettix clittelarius Say (Saddled Leaf- 
HOP POU) eesoees sone tas a esiecey en cunneetee ds canst scare eaaaeae 128 
Cicadula exitiosa Uhler (Destruction Leaf- 
]0 (0) 0) 81 =: ON saecocas ass boat cdo aeeeocks mcoceirencebeacccaneeeaecr 128 
Cicadula 4-lineata Forbes (Celery Leaf-hopper) 130 
Empoasa albopicta Forbes (Green Apple Leaf- 
HOP PUM) ieee Latacsnecnnceaeersc dae temeeenetseateraceacnae se 131 
Typhlocyba rose Linn. (Rose Leaf-hopper)..... 131 
Typhloevba vitis Harr. {Grape-vine Leaf-hop- 
DOUG) wick aa dtvondoudanmensheceee shesecnwenscen duesicdenedusgavece 132 
Sub-family Tettigonina (Leaf-ho ppers).........:sseccccseseegeesseess 135 
Diedrocephalammollipes) Sayaenses--eeetecsese0s2-aeaece see 136 
On-ometopia undata Fab. (Waved Proconia) .. 136 
PamilysPsvcEip a) (impinge lant lie) jn. ssessesceesenerecesasunseseesecene 137 
Psylla pyricola Forster (Pear-tree Psylla) ................00 139 
Psvila rubi W. & R. (Blackberry Flea-louse)................ 141 
Pachypsvlla venusta O.S. (Hackberry Gall Psylla) ..... 142 
Family Apap (Plant Lice yir2 sss scecstecssn cersckeaericoceesers cascode 143 
Classification) of AW HIDID AD eccciscacescccectcces esta aecsecsentoesceoestce ets 151 
Sub-family RAizobiina (RoOot-lice). ..........0...000-cneessccecerssceesee 151 
Rhizobius lactucze Fitch (Lettuce Earth-louse) 152 
Tychea phaseoli Passerini (Bean root-louse) .... 152 
Sulb-Famnailiy (GUeRrmes it a esseeecs= anyon ona teetanlcs see eace neces orsecans cons 153 
Chermes pinicorticis Fitch (Pine Louse)............ 154 
Phylloxera vastatrix Planch. (Grape-vine Phyl- 
LORE A)  hivcscctecc esta ccatecneoken Iecseainine see cctsvecaseses nai 
Sub-family Pemphigina (Gall-making Plant-lice)................ 163 
Pemphigus betz Doane (Beet Aphis)............... 166 
Colopha ulmicola Fitch (Elm-leaf Cockscomb 
Gain) iGacseriakarecttteaosexncclae ebmcmmuitye speconene weemtenaaes 165 
Schizoneura americana Ril. (White-elm Schizo- 
0 CSE Pr J brpdoqoes<nbe dead Boon Gg soba soncremonosaninscade > ‘oactod 168 
Schizoneura tessellata Fitch (Alder-blight) ..... 170 
Schizoneura lanigera Hausm. ( Woolly-louse of 
