White Grub Flashcards
1
Q
Describe larva
A
1-1-.5 inch’s long
C shaped at rest
Rear end is larger
Rear maybe blueish or black
Brown head capsule
3 sets of legs
2
Q
Describe adult
A
1/2 inch long
Yellow brown body
Reddish head
3
Q
When do they emerge
A
April-august
4
Q
What do they feed on
A
Roots of grasses
5
Q
Turf symptoms
A
Browning or dying of grass in irregular shaped area
Grass roots maybe entirely eaten away allowing grass to be pulled up like carpet
6
Q
How to find
A
Dig in brown areas near edge of green.
If soil is dry they maybe 6-10 inches deep
7
Q
Treatment threshold
A
More than 1 grub per sq ft
