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Botanic Garden > Question and Answer > Plant Species > Orchids > unkown things on tree trunk

unkown things on tree trunk

2016/8/3 10:51:51

Question
unkown insect on tree trunk
unkown insect on tree
Hi Wayne King,

I have a problem on unknown insect on tree trunk which I grow my phalaenopsis.

I've attached the photo.

Can you tell me what are they & how to get rid of them?

Thanks,
Nwe Lay

Answer
It's a little difficult to tell from your picture. My best guess is that these are mealy bugs. I would try Safer's insecticidal soap. Best use is a dunk the entire mount into the soap. If the tree trunk is attached to the tree, you will need to spray it heavily. It may take several applications. IF this Is ineffective you will need to use malathion.

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