why dois a tree covered in ladybirds and leaves dripping in what looks like sap

hundreds of ladybirds and larva with green/black fly whole tree covered also in this sticky substance

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1 Comment To "why dois a tree covered in ladybirds and leaves dripping in what looks like sap"

#1 Comment By drtreelove On 06/18/2018 @ 3:07 pm

The lady beetles and their larvae are natural pest predators, feasting on an insect pest, probably aphids.
The sap-like substance is “honeydew”, the excretion from the sucking insect pest.

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