Critters under a silk blanket

Critters under a silk blanket

Observation - Critters under a silk blanket - Southern Africa. Description: First thoughts were Lepidoptera, but after a closer look... Coleoptera? No pictures of the tree, but

First thoughts were Lepidoptera, but after a closer look...
Coleoptera?
No pictures of the tree, but it was a Bridelia micrantha.
Similar silk nests were observed on Syzygium cordatum subsp. cordatum trees as well.
See Chapter 2: www.ispotnature.org/communities/southern-africa/view/observation/737300/critters-under-a-silk-blanket-chapter-2