Downtoearthdigs
Answered on April 5, 2017
You may need to make a positive id on the culprit to decide on the best course of treatment.
Sticky traps and Neem Oil or both safe and organic methods of pest control.
These links have more information.
https://hort.purdue.edu/newcrop/morton/guava.html
https://www.gardeningknowhow.com/edible/fruits/guava/growing-guava-fruit-trees.htm
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm
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