CONTENTS. 
Nature and. extent: of damage: o--25 <2. scececs lo See eee ee eee eee 
iMheyerain weevils a=. -= eee ate 
The granary weevil (Calandra granaria Linn.) (fig. 1d). . 
The rice weevil (Calandra oryza Linn.) (fig. 1) 
The grain Moths 2-2-3... sis. ceesscite sees © eee see enon ee ee 
The Angoumois grain moth (Sitotroga cerealella Ol.) (figs. 2 and 3) -..-.---- 
The wolf moth (Tinea granetla Tamn.) ->.-.. .. <2 == oso e ee 
The-flour and! mea) moths. 2.2.22. s2.qoss wnt nae ee eee 
The Mediterranean flour moth (Hphestia kuehniella Zell.) (figs. 4 and 5)---- 
The Indian-meal moth (Plodia interpunctella Hbn.) (fig. 6) 
The meal snout-moth (Pyralis farinalis Linn.) (figs. 7 and 8) 
‘thewlour beetles... .-------.=—— 
The confused flour beetle ( Tribolium confusum Duy.) (fig. 9) 
The rust-red flour beetle (Tribolium ferrugineum Fab.) (fig. 9f) 
The slender-horned flour beetle 
The broad-horned flour beetle ( 
The small-eyed flour beetle (Palorus ratzeburgi Wissm.) (fig. 12) 
he mNedl=wiOLms) soe. se. . eee eee 
The yellow meal-worm (Tenebrio molitor Linn.) (fig. 13) 
The dark meal-worm (Tenebrio obscurus Linn.) (fig. 14) ..---.---- 
he wrain beetles..2u--se seas Be 
The saw-toothed grain beetle (Silvanus surinamensis Linn.) (tig. 15) 
The red or square-necked grain 
(Echocerus maxillosus Fab.) (fig. 10)-.-.----- 
Echocerus cornutus Fab.) (fig. 11).-..---.-- 
beetle (Cathartus gemellatus Duv.) (fig. 16) - 
The foreign grain beetle (Cathartus advena Walt).) (fig.17) ---------.----- 
The cadelle ( Tenebroides mauritanicus Linn) (fig. 18) 
Parasitic and other natural enemies 
Methods OL controle oe eee eee 
Insecticides and other destructive agencies .....-....-----.---.---------- 
Theibisulphide of carbonstreatmenty 2-2-4 a4. eee 
Summary of principal remedies 
2 
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Occ 1S Op Ot ES O&O: 
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