Sod Web Worm Flashcards
1
Q
Describe larva
A
Greyish body
Black spots
2
Q
Describe moths
A
White
1 inch wing span
3
Q
Where and when do adult moths hide
A
Hide during day
In grass or shrubbery in shelters made from grass and debris
4
Q
Where are eggs laid
A
Leaves and crown
5
Q
When do they feed
A
At night
6
Q
When do moths start flying
A
April-may
7
Q
Generations
A
3-4
8
Q
What do larvae feed on
A
Grass blades
Growing tips
Greener portions of crown
9
Q
What do they not feed on
A
Roots
10
Q
Symptoms
A
Scattered irregular brown patches
11
Q
How to detect
A
Pyrethrum test
12
Q
Treatment threshold
A
16 or more per sq yd
