Q.Loguat tree
Bugs eating my loquat tree.

Certified GKH Gardening Expert
I unable to identify the pest, as we do not have those around here, but I can tell you a solution that will work for a broad range of insects.
Boil some sliced hot peppers in water, and let this cool and strain. Mix in neem oil, garlic extract, and rosemary oil. Spray this and it will keep just about any insect away.
This collection of articles will give you more ideas on making your own pest control, as well as many other gardening tips: https://www.gardeningknowhow.com/special/organic/