ILLUSTRATIONS. 
PLATES. 
Puate I. Fig. 1—The Colorado potato beetle (Leptinotarsa decemlineata) at- 
Fic. 
tacking seed potato in ground, Churchland, Va. Fig. 2.—Young 
potato plant defoliated by Colorado potato beetles................- 
II. Potatoes growing in new ground, showing bar to employment of power 
S10 FA Ol gha2 Sein Ce Et SCO 3 Ae es PT 
III. Hop leaves, showing effect of attack by the hop flea- beetle (Psylli- 
CUES SIAC ALAA 9k Us Sete AIS. SMM na cs c,aia nyo aie crosman ele 
IV. Fig. 1—Hindoo using tarred boa and evergreen brush to destroy 
hop flea-beetles. Fig. 2.—Method of using light, sticky shield 
and feather duster in combating the hop flea-beetle................ 
TEXT FIGURES. 
. The parsnip leaf-miner (Acidia fratria Loew): Adutt, larva, puparium, 
ChE oce ba GaE EOE eke bic cue ee iN ge ime ubeeoe One oF <tr 
. Parsnip leaves showing work of parsnip leaf-miner..................- 
. The parsley stalk weevil (Listronotus latiusculus Boh.): Adult, larva, 
. Parsley roots showing work of parsley stalk weevil.................... 
. The celery caterpillar (Papilio polyzxenes): Male butterfly, egg, larva, 
ehiryealisdetanls: jo oust ees: es! FRE Reba tava toa anarchic 
pe neeelenyenterpillar-mb emia DULLER = ose 6 sacar ain ee eng oe eee 
. The Lima-bean pod-borer (Etiella zinckenella): Adults, larva, dea 
. The hop flea-beetle (Psylliodes punctulata): Eggs..................... 
lhe hondes-beetie: larva, PUpaw. B2ee Uo. e. cede oss coe wsee 
. The hop flea-beetle: Adult beetles, showing relative size of female 
. The hop flea-beetle: Ovipositor of female.......................-...-- 
. Filamentous roots of hop vine on which the hop flea-beetle larve 
TOO G LS Pk Oe go 2 te oe ae re 
. Hindoo using tarred hand pede for capture of hop flea-beetles......- 
. Banded hop vine, showing condition of leaves above and below the 
Cee SON a eens) | Pepe eh ee ke Ses Be 
. Killing the hop flea-beetles in the 20) 2 Sie eee eee oy Bee ee 
. Fumigating the trellis poles to destroy hop flea-beetles................ 
. Rolling the hopyards with heavy roller as an experiment in the con- 
Ol ci adoveyl (vor oy ier ih ere |). aa em ea 
. The yellow-bear caterpillar (Diacrisia virginica): Female moth, ie 
COCCOMPR DUP ayragertetara eros tetonstenewae ic io ARNE tela swale! Sede ecalee eldus Bereta oe eee 
. The saddled cucumber beetle (Diabrotica connera): Beetle............- 
. The painted cucumber beetle (Diabrotica picticornis): Beetle.......... 
. The belted cucumber beetle (Drabrotica balteata): Eggs, larva, pupa, 
WEEtIEm de ball amr emt te oN a ed tec ee ae 
. The western twelve-spotted cucumber beetle: Eggs.................-- 
- Euthyrhynchus floridanus, an enemy of the Colorado potato beetle: 
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