What's eating my malay apple?

Malay Apple (Syzygium malaccense) faces fruit fly damage as its primary threat — larvae ruin the fleshy fruit before harvest. Bark-boring beetles tunnel into trunks of mature trees, and scale insects coat stems. Birds and fruit bats steal ripe fruit. Fruit bagging is the main practical control strategy.

Eggs laid in fruit skin; maggots cause internal rot and early drop Fruit bagging from marble size; sanitation (remove fallen fruit); protein bait stations

Sawdust-like frass at trunk entry holes; tunnels weaken limbs or kill branches Probe tunnels with wire; apply contact insecticide to entry holes; remove dead wood

Encrusted stems, reduced vigor, sticky honeydew with secondary sooty mold Horticultural oil spray when crawlers are active; prune heavily infested branches