Tomatillo Leaves Infected With Bumps

Question

Grown from seed, growing in large cloth bag in greenhouse.

• 
• 

Answer 1

These are Gall Mites, or Eriophyid Mites of which there are over 300 species. The best treatment for these will, actually, be predatory mite! These articles will help:

https://www.gardeningknowhow.com/plant-problems/environmental/treating-leaf-gall-on-plants.htm

https://www.gardeningknowhow.com/plant-problems/pests/insects/what-are-eriophyid-mites.htm

https://www.gardeningknowhow.com/garden-how-to/beneficial/predatory-mite-pest-contro.htm