Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Order: Coleoptera
Suborder: Polyphaga
Superfamily: Cucujoidea
Family: Corylophidae
Genus: Holopsis
Genus common name: Minute Hooded Beetle
This beetle is of the genus Holopsis is a group of minute hooded beetles.
The photo below is of a tiny Holopsis larva (2mm long) which was under a very small fungus (7mm across) growing on the trunk of a Vitex lucens.
The underside of the fungi where this larva was hiding.
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Thanks to Wikipedia for text and information: https://creativecommons.org/licenses/by-sa/3.0/