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Tag Archives: mirid bugs

Closterotomus cousins

03 Wednesday Sep 2025

Posted by sconzani in insects

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Tags

British bugs, Closterotomus fulvomaculatus, Closterotomus norwegicus, Closterotomus species, mirid bugs, Miridae, Potato capsid

This is a tale of two Closterotomuses – Closterotomi?

The first is Closterotomus norwegicus, also known as the Potato capsid, though I’m not sure why it has that common name. The British Bugs website says it ‘feeds on a wide range of plants, especially nettles, composites and clovers’, with no mention of potatoes. It’s a handsome little bug and quite common, though can be confused with other similar mirid bugs – the British Bugs page lists some of the distinguishing features to look out for.

This second Closterotomus species is C. fulvomaculatus – no common name that I’m aware of. It can be seen between June and August, so we’re right at the end of its date range now but there may still be time to spot it on scrub and in hedgerows where it feeds on nettles and meadowsweet. Apparently, it’s also quite partial to hops, but we don’t have those in my local area. It looks like just another brown bug until you look more closely and notice the lovely golden hairs that cover its upper body.

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Bug: Deraeocoris flavilinea

28 Saturday Jun 2025

Posted by sconzani in insects

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Tags

British miridae, bug, bugs on Field maple, bugs on Sycamore, Deraeocoris flavilinea, mirid bugs, Miridae

How bugs are able to colonise places as rapidly as many seem to do always surprises me, and this new-to-me Mirid bug is one of those. Deraeocoris flavilinea was first reported in the UK in 1996.

In the interim 29 years between then and now it has made itself at home across most of the southern and central parts of Britain. Perhaps the fact that this bug’s larvae feed on Field maple and Sycamore, both very common tree species, has helped with its rapid colonisation efforts.

I saw my first, the nymph shown above, on 12 May and, at the end of May, saw my first adult. Since then, I’ve seen several more, even had one walking sedately up my arm, down again and on to my hand, which allowed for a nice close up as my final photo shows.

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Stenodema laevigata

01 Monday Aug 2022

Posted by sconzani in insects

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Tags

British bugs, mirid bugs, Miridae, plant bugs, Stenodema laevigata

I cannot tell a lie – I didn’t find this bug, it found me. As I was wandering around a local field, I glimpsed something flit up from the flowers and looked down to find it sitting on my t-shirt. Very obligingly, it waited until I got my camera out of my pocket and was then persuaded to climb on to my hand for some photos. Meet Stenodema laevigata, another of the Miridae family of plant bugs. This species is much more common and widespread, with over 3000 records currently showing on the NBN Atlas webpage, or perhaps it’s more often recorded because its slim shape and singular markings make it easier to identify.

220801 Stenodema laevigata

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About me

sconzani

sconzani

I'm a writer and photographer; researcher and blogger; birder and nature lover; countryside rambler and city strider; volunteer and biodiversity recorder.

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