Introduction

627
Grasshoppers
Alfalfa weevil
Spreadable Bran Baits
Nolo Bait (M)
Defoliators
Minimum of
0.45 kg
A or G
Eco bran (C) 0.8-1.6 kg 2 G N/A
Sprays
Matador/Silencer (P)
25-34 ml
(Ground)
34 ml (Aerial)
Do not apply
within 3 days of
livestock foraging.
A or G 64-110
Malathion 500 (OP) 0.80-1.21 L 7 A or G 4302
Malathion 85E (OP) 0.445-0.544 L 7 A or G 5,500
Lagon/
Cygon 480 EC/Cygon 480-AG (OP)
0.22 L
(nymphs)
0.34-0.36 L
(adults)
10 (Lagon, Cygon
480 EC)
28 (Cygon 480-AG)
A or G 60-450
If alfalfa has reached the bud or early bloom stage, immediate cutting will kill many alfalfa weevil larvae.
Coragen (D) (suppression only) 152-202 ml 0 G >5,000
Matador/Silencer (P) 34 ml Do not apply within
3 days of livestock
foraging.
Decis 5EC/Poleci
(seed crops only) (P)
80-100 ml
(Decis)
162-202 ml
(Poleci)
A or G (Matador)
G (Silencer)
64-110
20 G 395
Malathion 500 (OP) 0.80-1.21 L 7 A or G 4302
Malathion 85E (larvae only) (OP) 0.445-0.544 L 7 A or G 5,500
Imidan (OP) 0.65 kg 7 G 285
Lagon/
Cygon 480 EC/Cygon 480-AG (OP)
(reduction only)
0.17 L 10 A or G 60-450
Alfalfa looper Dibrom (OP) 0.42-0.85 L 4 A or G 345
Alfalfa blotch
leafminer
Leafminers
Malathion 85E (OP) 0.544 L 7 A or G 5,500
Imidan (OP) 0.65 kg 7 G 285
Lagon/Cygon 480 EC/
Cygon 480-AG (OP)
0.22 L 10 A or G 60-450
ALWAYS CONSULT THE INSECTICIDE LABEL BEFORE APPLYING ANY INSECTICIDE.
1
Insecticide Group: M=microbials, N=neonicotinoids, P=pyrethroids, C=carbamates, OP=organophosphates.
2
LD 50
values represent the relative toxicity of a pesticide. They represent the dose (in mg/kg body weight) that will kill 50% of the
test animals. Thus the lower the number the greater the toxicity. Values given are for oral LD 50
.
Insect Control