They can be so destructive, but they sure are beautiful. Leps or worms can be found on fruit tyrees.

Citrus Lepidoptera (“Worms”) https://ipm.ucanr.edu/agriculture/citrus/

ID Key: https://ipm.ucanr.edu/legacy_assets/pdf/pmg/key_to_caterpillars_lepidoptera_larvae_in_california_citrus_3.pdf

California Orangedog· Papilio zelicaon

Amorbia (Western Avocado Leafroller)· Amorbia cuneana

Citrus Leafminer· Phyllocnistis citrella

Fruittree Leafroller· Archips argyrospila

Loopers· Cabbage looper: Trichoplusia ni· Citrus looper: Anacamptodes Fragilaria

Omnivorous Leafroller· Platynota stultana

Orange Tortrix· Argyrotaenia franciscana (=A. citrana)

(Photo of M.J.W. Cock & D.H. Burris)

Pink Scavenger Caterpillar· Pyroderces rileyi

Western Tussock Moth· Orgyia vetusta

Avocado Leps

As well as Orange Tortrix, Omnivorous Looper and Amorbia: https://ipm.ucanr.edu/PMG/C008/m008bpcaterpillars.html

In avocado look for:

Avocado Leafroller/Leafminer ·Caloptilia sp.