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 
SON SSS See ae ORR e SOAR Gocco he eh an cake once a mans Ace 
III. Hop leaves, showing effect of attack by the hop flea-beetle (Paylir- 
OES PETA IMGE LOUD UL ayn Stata es oe Denko t = Rak. a, So Ee eae Fo 
IV. Fig. 1.—Hindoo using tarred board sid evergreen brush to destroy 
hop flea-beetles. Fig. 2, See es of using light, sticky shield 
TEXT FIGURES. 
. The parsnip leaf-miner (Acidia fratria Loew): Adutt, larva. puparium, 
GH Tiel ey mentee Spare S RO mn eet tes Ae Oe eta ls DERE en tata pe 
. Parsnip leaves showing ens Oljparsnipeleaicminers ese 4- see 
. The parsley stalk weevil (Listronotus latiusculus Bon.): Adult, larva, 
. The celery caterpillar (Papilio polyxenes): Male butterfly, egg, larva, 
chrysalis, details. - 
. The celery carenpillen: wemae Tyner oe ae 
. The Lima-bean pod-borer (Etiella penckeneliay: ae These, detaits. - 
. The hop flea-beetle (Psylliodes punctulata): Eggs.............---.---- 
. The hop flea-beetle: Larva, pupa. - Z 
. The hop flea-beetle: Adult peonee dhowae: role e size Gi peaele 
SIONS (TRONS Wek BRS» aS Sa ras ed eae eae ee a ae ee eA Se NAL OA 
. The hop flea-beetle: Ovipositor of foal. Bec de ae ae Hee oe ee 
. Filamentous roots of hop vine on which the hop flea-beetle larvze 
. Hindoo using tarred hand sledge for capture of hop flea-beetles....... 
. Banded hop vine, showing condition of leaves above and below the 
. Roiling the eae with hears Galler as an cea in the con- 
frolgoigthetho pelea eCeuLess. scarce neces 2s asia oes seeers ose 
. The yellow-bear caterpillar (Diacrisia virginica): Female moth, larve, 
COMCOOU MU ARAET 4 ee Penne So anos aac. 52. tim AIS ea 
. The saddled cucumber beetle (Diabrotica connexa): Beetle........-.--- 
. The painted cucumber beetle (Diabrotica picticornis): Beetle.......... 
. The belted cucumber beetle (Diabrotica balteata): Eggs, larva, pupa, 
ee le Ne cle feral Seysecen Sears ose cases eee A ae et ne cre Tors oto: 
. The western twelve-spotted cucumber beetle (Diabrotica soror): Female 
| OXY EMH Leviathan GE le Phe cbr Ral abs ae 2 aL a ah eeiet. 
. The western twelve-spotted cucumber beetle: Eggs.............-.---- 
. Euthyrhynchus floridanus, an enemy of the Colorado potato beetle: 
ANCIUU RS OAc eR RE. Ammen ARE Wena Aone ae 2 ee eee er eee 
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