Cabbage Seed Weevil Ceutorhynchus obstrictus

I found lots of these in spring 2021 but don't seem to have identified them ever before (although it later turned out that I had some specimens awaiting identification from further back). Most were found on Garlic Mustard (the exception being on Dandelion).

Cabbage Seed Weevil Ceutorhynchus obstrictus, North Elmham Cathedral Meadows (Norfolk, UK), 19th April 2021

second Cabbage Seed Weevil Ceutorhynchus obstrictus, North Elmham Cathedral Meadows (Norfolk, UK), 19th April 2021

third Cabbage Seed Weevil Ceutorhynchus obstrictus, North Elmham Cathedral Meadows (Norfolk, UK), 19th April 2021

Cabbage Seed Weevil Ceutorhynchus obstrictus, North Elmham Cathedral Meadows (Norfolk, UK), 28th April 2021

Cabbage Seed Weevil Ceutorhynchus obstrictus, North Elmham Cathedral Meadows (Norfolk, UK), 7th May 2021

These look hoarier when examined under a (top-lit) microscope (last pic) than they do away from the light.

Cabbage Seed Weevil Ceutorhynchus obstrictus, North Elmham Cathedral Meadows (Norfolk, UK), 12th May 2021

This was also on Garlic Mustard.

Cabbage Seed Weevil Ceutorhynchus obstrictus showing indented prosternal margin and pronotal tooth, Wendling Beck Environment Project (Norfolk, UK), 29th April 2023

Cabbage Seed Weevil Ceutorhynchus obstrictus, Ling Plantation, North Elmham (Norfolk, UK), 10th May 2022

These came to pheremone lures intended for clearwing moths.

Cabbage Seed Weevil Ceutorhynchus obstrictus, North Elmham (Norfolk, UK), 17th July 2020

Cabbage Seed Weevil Ceutorhynchus obstrictus, North Elmham (Norfolk, UK), 31st July 2021

This one came to light.

Cabbage Seed Weevil Ceutorhynchus obstrictus, North Elmham (Norfolk, UK), 31st July 2020