Q237
The damaging stage of gundhi bug
A.
Chewing and cutting type
B.
Nymph and adult stage
AnswerC.
Larva stage
D.
Maggot
Answer: Option B
Solution
Answer: Option B
Solution:
The damaging stage of gundhi bug is Nymph and adult stage.Both adults and nymphs do the damage. The nymphs start feeding 3 to 4 hours after hatching. They feed on the leaf sap near the tip / on milky sap in developing spikelets at the milky stage.
Sucking of the milky sap causes ill-filled / partially filled and chaffy grains. They omit bad smell hence they are called Gundhi bugs. Serious infestation can reduce the yield by 50%. The straw gives an off-flavour that is unattractive to the cattle.