ILLUSTKATIOXS. 
PT.ATES. 
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Pla pe I. Life zones of the United States Frontispiece. 
II. Fig. 1. — Api^le leaf inhal)ite<l V)v codling-moth larva. Fig. 2. — A})ples 
damaged by caterpillar : 16 
III. Eofgs of the codling moth 10 
IV. Fig. 1. — Entrance holes of larva? of second generation. Figs. 2 and 
8. — Views in orchard of Hon. Edgar Wilson P>2 
V. Fig. 1. — Codling moth larva, enlarged about three times. Fig. 2. — 
The 'Svorm hole" or exit hole of the apple worm (enlarged). 
Fig. 3. — A wormy apple, showing the familiar mass of brown par- 
ticles thrown out at the blossom end by the young larva (from 
Slingerland ) 82 
VI. Fig. 1. — Larvae, pupa^ and moths on rough bark. Fig. 2. — Infested 
apples being ouried 48 
VII. Fig. 1. — Codling moth enlarged four times. Fig. 2. — Codling moths 
enlarged twice. Fig. 3. — Codling moths, natural size 48 
VIII. Stubs of branches irom an old orchard near Elkton, ^Id., showing 
work of codling-moth larvte and woodpeckers (U 
IX. View in orchard of Hon. Fremont Wood, near Boise, Idaho (54 
X. Fig. 1. — Band on which the remains of 330 cocoons were counted. 
Fig. 2. — Pupa in cocoon on underside of a loose piece of bark. 
Fig. 3. — Larva and pup;e in cracks in bark from which rough hark 
has been removed SO 
XI. Gasoline power spraying machines SO 
XII. Spraying outfits in use 80 
XIII. Clean and wormy apples from tree Xo. 2, Wilson orchard 96 
XIV. Clean and wormy apples from tree Xo. 4, Wilst)n orchard 96 
XV. CU'au and wormy apples from tree Xo. 6, Wilson orchard 96 
XVI. l*re])aringaj)))les for market, orchard of Ibni. Fremont \V(mv1, Boise, 
Idaho 96 
TEXT FKiFUES. 
Fic. 1. Anarsia lineatella 21 
2. IModia interpunctella 22 
3. Larverna herellera 22 
4. Xej)hopteryx rnbrizonella 23 
5. Daily band record made by 11. (i. (iihson, Nampa, Idaho, in \9()\, 
upon four tn-es 46 
6. Weekly summary of Mr. (iihson's hand record 47 
7. I'.and record made by William A. (ii-orge. (\Udwell. Idaho, in 1901. 47 
S. Weekly band record made hy Mr. Ayres at r.oise, ]«laho, in 1S97. 
on 1 40 trees 48 
