STORED-GRAIN PESTS. 
CONTENTS. 
Page. Page. 
Popular classification of grain pests_ H Grain and flour beetles—Continued. 
BeTHTURWeCVELS. 2 f=.) Se 4 Siamese grain beetle________ i 32 
Granary. .Weevil aoc taoe nee ne— 4 Hiat.-2rainy beetle. =~ ee _ 33 
Rice or black weevil____----~- 3 Confused flour beetle_________ 34 
Broad-nosed grain weeyil------ $ Rust-red flour beetle____----__ 35 
Coffee-bean weevil _.----___--- Long-headed flour beetle_______ 35 
Berl DOR CRS a == = a 10 Slender-horned flour beetle -_—— 36 
Messer-erain porer. 22-2 - 10 Broad-horned flour beetle _____ 36 
Bareem erain) porers-2—-— = --=_ = 13 Small-eyed flour beetle____--~~- 36 
MENS O CHS. Hees ee 138 Mobaccos beetle =a. ae ae pee, 37 
Angoumois grain moth ______~ 15 Drug-store. beetles- 2 = 22 a8 37 
WiOltwmoph = = a2 = tt eee 15 Black carpet beetle___________ 38 
Pink conn worms 16 Larger cabinet beetle_________ 38 
Vass CCM 0007) O Ye «SS 18 Small cabinet beetle __________ 39 
DLC CURRAN ME 2 a oe A Es es ee a 1s Museum: “bectle =a 22s see og 
indiane meal moth] ===> = 19 Two-banded fungus beetle____~— af 
Mediterranean flour moth___—-~- =O Biack fungus beetles=——= == = 40 
Meal Vsnoutrmoth= = — = 2. 22 Gorn: Sap-beetlese=- 2 Se Ae 40 
NUGER A aS ers eS * Lf se ee 24> |e ook-lice ors psocidsi— = Se 41 
Veliow meal worms 2222 5..2) = as 24 SE eh Sy ec a a oe a Come 2 42 
Darke emealworm=s —-2—- == aN 28 Parasites of grain pests___________ 42 
Erain andetour beetles... =.= == 28 Ifow grain becomes infested__--____ 3 
CORO LES NKe al ea a 6 ee 28 Ilow to prevent primary infestation_ 45 
Saw-toothed grain beetle______ 3 The treatment of infested grains___ 46 
Square-necked grain beetle____ 30 Bi @aity= 232 SA he 1s Sere 46 
Foreign grain beetle-_______-- 3 WWM Sa Lone Sees ee ee eas 47 
Mexican grain beetle_________-_ 32 
POPULAR CLASSIFICATION OF GRAIN PESTS. 
Since the establishment of the Federal standards for grain under 
the provisions of the Grain Standards act, Federal grain supervisors 
and federally licensed grain inspectors are required to identify the- 
‘arious species of “live weevils and other insects injurious to stored 
grain” which may be present in the grain, and uniform names for 
grain insects should be used. Such uniform terminology will indicate 
definitely to all interested persons, including shipper, purchaser, and 
elevator operator, the exact nature of the insect found. Of the four 
major pests, the granary weevil, the rice or black weevil, and 
the lesser grain borer may be well called “grain weevils.” The 
fourth of the major pests, the Angoumois grain moth, so destructive 
to wheat and corn, may be called “ grain moth.” Other insects likely 
to be found in any lot of grain may be called simply “ beetles,” 
“ moths,” and “mealworms,” for their presence usually does not indi- 
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