Fic. 20 
ILLUSTRATIONS. 
Diagram showing normal emergence from fruit of larvee of plum cur- 
culio during season at Siloam Springs, Ark., Barnesville, Ga., Wash- 
PATO PAG ATG) DOU eee NGI ete ie cnn ciniainia de wale o meniainsineccee 
. Diagram showing normal emergence from soil of beetles of the plum 
eurculio for the season at Barnesville, Ga ..............cccceeces 
. Diagram showing normal emergence from soil of beetles of the plum 
curculio for the season at Siloam Springs, Ark ................-... 
. The normal plum-curculio egg puncture and egg ............--.....- 
. Diagram of portion of peach orchard used in jarring experiments against 
. (Sigalphus) Triaspis curculionis, an important parasite of the plum 
CUA C UL ORT ene os 2 yk oh ame amos in slacionte 
. (Porizon) Thersilochus conotracheli, parasitic upon the plum curculio ~ 
. (Bracon) Microbracon mellitor, an occasional parasite of the plum cur- 
. Myiophasia xnea, a dipterous plum-curculio parasite: Male and head 
TL ENTE S gd s SS ye rere EER OORT ORI E ITE tS ee ee cee 
. Cholomyia inxquipes, a fly reared abundantly from the plum cur- 
culio at Barnesville, Ga.: Adult, puparium in curculio larval skin. 
BEI itISO ENOL TLE Laos Sena na ates nea al «alee ofa =\sicle A= aieia)= = ata inie'ala'= ta’aia'm 
. Harpalus pennsylvanicus, a ground beetle predatory upon the plum 
CUE CUO ese ection canals wlcolediais islets wise. era's Sono ae 
OMAN IEEE PCR NSUIVATACUS) <.x/aainc aa nom cwininn mal cicio sia cmemsemnccces 
. A simple form of curculio catcher for use by one person .......----- 
. A cumbersome wheelbarrow type of curculio catcher developed and 
PPE eis eT 2) 10) bt ed Ll DO Sey SIS Os Be ee Ae ec Ae Cece iene ea eee 
. A light wheelbarrow curculio catcher for sale as iate as 1905......-.- 
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