CONTENTS 
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The pear thrips (Huthrips pyrt Daniel)...........--..-.-.--- Dudley Moulton. - 1 
ENNNIEE See ee ree ie ee ee ee cw ec ho ee 1 
rr Mn MNGIPiTiiGi 2-2. oa SL Le 2 a 2 ee 1 
0 EES EO RV El a ears san pe 2 
ENUM ANON es Pe 2 ian ie 2 wis 2 ox Se 7 
menos and natural factors in Control.................-.--2.--22--2---ne 12 
_ The spring canker-worm (Paleacrita vernata Peck)......-.--- A. L. Quaintance. . 17 
IRIE EMRIN et es Se er SS re ale Lc iera swe bo oe ee 17 
PREMIERE INE AISA 2 ee nD 2 et ei. 8 ee 18 
emonstration work in canker-worm control.............-.......-.------- 20 
MS RaMaSi Te eves We SO et ee ee ee eee 21 
The trumpet leaf-miner of the apple ( Tischeria malifoliella Clemens). 
A. L. Quaintance. . 23 
wr SSR NE ER, aR Oa Sl ne eee a PE 23 
NINE ee Liter or ted Bs oes «Pater ek te ani an = Boe ee 24 
EI Pert Ste cy ee a Soe re Pee 2 ts Sp, ew ewes - Sece 26 
a ENIPIREMIN etrte? gee Nis 8 Se ee Se Os ee 27 
NRMP ENS Ae he nt ete de ee eS ee oe cle he ok errr 29 
Ts ia soe ee Se eke = oe pee ence 29 
| nti gE nee SS alae Sein ped Ges beds liege haan ose 30 
The lesser peach borer (Synanthedon pictipes G. & R.).........A. A. Girault.. 31 
erat sad eet IP see 31 
ES gel aS OE ee ea ee ee 31 
San CedCrinien Sciontilac WAMG._...............-.-----:-....---<--- 32 
SESE ale ee RS SS ee A nel ee 32 
ammanis: chatacter and extent of injury .......-.....-.-.....-------+- 33 
EES eager 34 
as na yer Se Re FE PO a 34 
MIEN REMEDY Sah oon ns ot oe ee Sc oa aden 35 
re a a a OO Renee 42 
ee Bre ar fo Sa oe a wa swe Sac ea ces usescencase 44 
EERO Sod ho di Gane cee ka nw win ee hava enc am cede oe 45 
ncn aS pan oe umn vk cee winin o ese Aang 46 
The lesser apple worm (Enarmonia prunivora Walsh)........ 4. L. Quaintance. . 49 
Eo he i aan kn ean u sas nas cancecdcine tases 49 
oe ee ee ie Webwat imme duel asdcnemee 49 
EES 2 eS 52 
= Food plants and destructiveness.....................-- LEN ena Re eS, 5 53 
me Onaracter of injury............ ep A SE Pe in Ra OM tet Perk ce ene, Roe 54 
_ @ The nine papers constituting this bulletin were issued in separate form on June 10, 
July 6, October 15, and October 17, 1907; January 8, April 24, and April 29, 1908; and 
January 20 and February 11, 1909, respectively. 
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