ILLUSTRATIONS. 
PLATES. 
Puiatre IV. Condition of buds at the time when first spraying for the pear thrips 
(Euthrips pyri) should be given. Fig. 1.—Bartlett pear. Fig. 
2.—French prune. Fig. 3.—Imperial prune...............----- 
V. Work of the pear thrips on pear. Fig. 1.—Destruction of buds and 
blossoms. Fig. 2.—Scabbing of fruit from feeding punctures by 
adultson the, opening buds misprimg: 5-2 Ue ks eee ee 
VI. Work of the pear thrips on French prune. Fig. 1.—Shoot on which 
crop has been largely destroyed in blossom stage. Fig. 2.— 
Young fruit, natural size, showing scabbing resulting from work 
of larvee. Fig. 3.—Mature fruit, showing scabbing injury, re- 
sulting in.a low etade-of dried:irmity 2. 7222 e eee eee eee 
TEXT FIGURES. 
Fie. 13. The pear thrips (Zuthrips pyri): Ovipositor and end of abdomen from 
14.- The pear thrips: Eggs... 2.2222 2222 25322 ace aeeee son eae ee 
15.° The: pear thrips: Larvas:s:.. .go2cos. evar. oe ee See eee 
16. ‘The pear thrips: Nymph or pupa: -.280< >a ao eeeee ee eee 
17... The pear thrips: Adult. 2.2 -2h2e2s i 42) ee os eee eee eee 
Iv 
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