|Hoverfly Eristalis sp. feeding on Ivy|
Image: R. Clark
This short piece by Ryan Clark is an eye-opener and the images are gorgeous. Ryan also gives a link to an academic paper on Ivy as an under-appreciated key resource to flower-visiting insects in Autumn.
I guess Holly is important to insects too - if a greedy Robin keeps scoffing berries, he'll be too full for even a wafer-thin insect!