Rose (Rosa rubiginosa)
Thrips (Rhipiphorothrips cruentatus, Thrips tabaci )
Grape thrips: Rhipiphorothrips cruentatus rosae
- Adults are blackish brown and the nymphs are reddish
Onion thrips: Thrips tabaci
- Nymphs and adults are pale yellowish
Symptoms
- Nymphs and adults – lacerate the tissues -under surface of the leaves
- Suck the oozed out sap.
- Silvering or white streaks on the infested leaves.
- Leaves show brown patches ,get distorted, finally wither and drop down.
- Infested flowers do not open; flowers fade and fall off down prematurely.
Management