Q.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

drtreelove
Answered on June 18, 2018
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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