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SENT ON 
REQUEST 
POISONS are used against surface 
chewing or biting insects. They are 
sprayed on the leaves and remain in the 
form of a thin film, or coating. Poisons 
act by being taken into the stomachs of 
‘he insects while eating. In this group 
come Paris Green, Arsenate of Lead, Cal- 
cium Arsenate. 
POWDERED ARSENATE OF 
LEAD is an effective in- 
secticide for leaf eating 
insects on tender foliage. 
Prices: (lb. 33c) (4-lb. bag 
720). 
ARSENITE OF ZINC. A 
quick killing arsenical 
poison especially adapted 
for protection against 
beetles common on such plants as pota- 
toes, tomatoes, eggplants. 
Price: (4-lb. bag 80c each). 
CALCIUM ARSENATE. A strong, inex- 
pensive insecticide for use on hardy 
foliage. Not so adhesive as Arsenate 
of Lead but considerably cheaper. 
Prices: (Ib. 26c) (4 Ibs. 50c). 
CRYOLITE. A fluorine insecticide. Can 
be dusted or sprayed. Severe tests 
show it does not injure delicate foliage. 
Is used to control vegetable and fruit 
crops. Dusting mix three to ten. Spray- 
ing dilute 2 lbs. to 50 gallons. It is as 
effective as Arsenite of Zinc in the con- 
trol of bean beetle. 
Prices: (Ib. 20c) (6-lb. bags 95c) (50-Ib. 
bags $7.25). 

PARIS GREEN is a 
strong effective poi- 
son for leaf - eating 
insects. Is not rec- 
ommended for use 
on tender foliage. 
Prices: (4-lb. carton 
18c) (Ib. 52c) (4-lb. 
cans $1.88) (14 lbs. 
$5.40). 
CUBOR (Rotenone Coated) DUST contains 
soluble and available forms of rote- 
none-bearing resins 
which materially raise 
the killing power by 
penetrating and dis- 
solving in the natural 
external and _ internal 
moisture of the insect. 
Impregnated, not mere- 
ly mixed, therefore uni- 
form and effective and 
leaves no- arsenical 
residue. Recommended 
for leaf-eating and sap- 
sucking insects. 
Prices: Cubor Dust “’50”—For food pro- 
duction only (4-lb. bag 60c) (50-lb. bag 
$6.00). Cubor Dust “75’—For all listed 
uses (50-lb. bag $6.70). 

i PSUFERFINE DUSTS 
“}] Cupor oust 
1090 


Insecticides 
Ulustrations of im- 
portant leaf - eat 
ing insects: 




Mito ! 
NE a, Bhi 
TOMATO WORM 


POTATO FLEA BEETLE 
PRICES ARE 
NOT PREPAID 
UNLESS SPECIFIED 
CONTACT SOLUTIONS are used to 
combat sucking insects and various kinds 
of scale. Sucking insects obtain their food 
by inserting tubes or bristles under the 
surface and sucking the plant juices, 
Poisons will not affect them. Contact solu- 
tions are designed to ‘act upon these by 
caustic action, or by clogging up their 
breathing tubes. In this group come Fish 
Oil Soap, Dry Lime-Sulphur, Nicotine 
products, Pyrethrums, and Rotenones. 
BLACK LEAF 40. Nicotine 
Sulphate is a contact 
spray to kill green and 
woolly aphis, plant lice, 
red spiders, cabbage 
aphis, onion thrips. Is 
very effective for use on 
Sweet Peas and Roses. It 
is also very efficient for 
poultry lice control at any 
season of the year. Is 
easily applied and quite 
economical. 
Prices: (oz. 35c) (5 ozs. 
$1.05) (Ib. $2.42) (2 lbs. $3.57) (5 lbs. 
$6.70) (10 lbs. $11.65) (50 Ibs. $46.80). 
BLACK LEAF 155. A fine, dry powder, ex- 
pertly compounded. An effective spray 
for codling moth and white apple-leaf 
hopper control. 3 lbs. Black Leaf 155 
per 100 gallons of water, or 1% to 2 
lbs. plus %% summer oil per 100 gal- 
lons. It is compatible with summer oil 
and neutral sulphur fungicides when 
combined separately. 14% Nicotine. 
Prices: (3-lb. bag $1.45) (16 3-lb. bags 
$21.85). 
BLACK LEAF 10 DUST is a specially pre- 
pared, high-strength nicotine dust de- 
signed for remixing with standard dil- 
uents or inert material and standard in- 
secticides. It meets the demand for a 
non-alkaline or neutral dust and may 
be mixed with a neutral carrier or com- 
bined with lead arsenate, rotenone, cal- 
cium arsenate or sulphur. Effective for 
control of aphis, lice and sucking in- 
sects. 
Prices, not prepaid: (10-Ib. tin $4.35). 
(80-lb. drum $29.20). 
TOBACCO DUST, finely ground, is a very 
effective weapon against aphis and lice 
on plants. Is a splendid fertilizer also 
and preventive for insects in the ground 
and around roots. Keeps dogs away 
from shrubbery and evergreens. 
Prices: (lb. 10c) (3 Ibs. 25c) (100 Ibs. 
$4.75). 
ACME SPRAY SOAP will keep tree trunks 
free from insects; destroys the eggs in 
the crevices. It is effective against lice 
as well as mealy bugs, and is an effi- 
cient spreader to use with other insecti- 
cides. 
Prices: (Ib. can 35c) (5-lb. carton $1.55) 


001508 

THE WESTERN SEED COMPANY, DENVER, COLORADO 
