Tag Archives: Cymus glandicolor

Cymus glandicolor nymphs

13 Monday Jul 2026

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Back in May 2024 I wrote about my difficulties in identifying a New bug: Cymus glandicolor.

In the intervening two years, I’ve rechecked the seed heads of other Pendulous sedge plants, and the same plant on which I first found this bug, many times but have never seen other populations or, indeed, any single specimens of this ground bug, until a week or so ago.

On the same plant where I first spotted them, I located lots of these Cymus glandicolor nymphs. As they are about the same size as the sedge seeds and a very similar colour, they are almost inconspicuous but, after I’d noticed the first one, I soon realised they were quite numerous, just difficult to pick out.

While handling the seed heads, one of the little nymphs climbed on to my hand, giving me the opportunity for an even closer look at it. At about 3mm in length, they really are quite tiny, and easily overlooked, which is presumably why there are not a lot of records of this species on iRecord, though the British Bugs website states they are widespread in England and Wales.

New bug: Cymus glandicolor

29 Wednesday May 2024

Posted by in insects

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As I’m stubborn and won’t use apps to help identify the things I find, it took me two and a half weeks to work out what these creatures are and then, truth be told, I only worked it out by using an app, Google lens, once I’d posted some images on Twitter and cried ‘help!’.

240529 cymus glandicolor (2)

I saw the tiny bugs first on this Pendulous sedge on 6 May, lots of them, mostly mating. After that sighting, I tried trawling through the images on the British Bugs website but couldn’t narrow down an identification. My excuse is that I focussed on checking through all the plant bugs, whereas this is actually a member of the Lygaeidae groundbug family.

240529 cymus glandicolor (3)

After seeing these little bugs on the exact same sedge (but not on other sedge plants nearby), still mostly mating, on 23 May, I decided to try again to find their name. And so, thanks to Google lens, I can at last introduce you to Cymus glandicolor, a lover of the damp places where sedges like to grow, mostly in England and Wales, though recently recorded also in Scotland according to the British Bugs website.

240529 cymus glandicolor (1)