Bui. 432, U. S. Dept. of Agriculture. 



Plate II. 



m 



m 



The Spike-Horned Leaf-Miner fCERODONjA dorsalis). 



-Ijirvii, florwil view. Plif(toKriii)li(,'<l from life. Tlio yiiiiiif liirvii (if an external 

 y lie Hcni iiltiifhcd to middle of liirvii of (ktrodonln on the riulil, 



Vui.i. 

 hym<'iiopl.<TonH imnisitc may 



much •-■liJurKcd . Km. 2. — I.,urva, hiliTiil view, from life, KliovvinK polLslicd Hiirfiico iind <■< 

 U-ntM of uliriK.-ntary eiiniil, Tiiiieii eniur^i'd. Flo. :{.— 'I'i|) of Imrlcy liiif, Hliowiii*,' frc(iinu 

 pniiflnrew made hy adult lly, much enlarKcil. Kio. 'I.— Leaf Miidcs sliouiiif,' iidviiiiccd 

 wrirk of the larvjf:, uhout iialiirul clze. Klo. .''i.— Lfiif hliidc, hliowiiiK mincM of yoiiiiK liirviu, 

 iihout imtunil Hizf. Fir;. 0,— Type of renrluK cii«e used in rcnrint,' tlic liir\:r of f. ilarHaliit. 

 Kl'i. 7.— I'upiirlii, dor-Ill mid veiitriil v1<;wm, much enliir^'cd. (Oii^'iiiiil.) 



