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~ a celebration of nature

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Tag Archives: plant bugs

Cyllecoris histrionius, adult and nymph

12 Monday May 2025

Posted by sconzani in insects

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British plant bugs, bugs on Oak, Cyllecoris histrionius, Cyllecoris histrionius adult, Cyllecoris histrionius nymph, Miridae, plant bugs

It’s not often that I manage to find both adult bugs and their nymphs at the same time but, during Saturday’s meander around local fields, I got lucky. These are Cyllecoris histrionius, members of the Miridae family, and they spend their lives on Oak trees. I’ve seen the adult bugs before, just not the young’uns.

There are a few plant bugs whose adults have markings quite similar to this one so care must be taken when identifying them, but it’s not too difficult. They are both carnivores and vegetarians, feeding on insects smaller than they are, like bark flies and aphids, as well as on parts of their host tree.

After laying their eggs, the adults die; they’re usually only seen from May through to July. In the Spring, the eggs hatch, and go through several stages (instars) before reaching adulthood. The gorgeous blue-green nymphs shown above are all final instars.

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Common nettle bugs

29 Tuesday Apr 2025

Posted by sconzani in insects, plants

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bugs on Stinging nettle, Common nettle bug, insect on Stinging nettle, Liocoris tripustulatus, Miridae, plant bugs

I’ve been finding a few new insects recently and this is one of them, the supposedly common Common nettle bug (Liocoris tripustulatus). Perhaps I’ve never noticed them because they tend to live mainly on Stinging nettle (and you know by now that I find nettles challenging – those stings!). This month I’ve seen them twice and they can, apparently, be seen all year round. And, fortunately, with their three yellow dots, these little (4 to 5 mm long) plant bugs are easy to identify.

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Fine streaked bugkins

26 Saturday Apr 2025

Posted by sconzani in insects, spring

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Fine streaked bugkin, Fine streaked bugkin nymphs, Miridae, Miris striatus, Miris striatus nymphs, plant bug nymphs, plant bugs

At first glance, I thought these little creatures were fancy ants but a closer look took in the striped waist, the longer antennae and the generally larger size, and I knew they definitely weren’t ants. But what were they?

At this time of year, many insects are still in their early stages of development, particularly those that have over-wintered as eggs, so they can be tricky to identify. Usually, some well-focused internet research produces an answer, or a clue I can then follow, and, luckily, that was the case with these tiny creatures.

These are the nymphs of Miris striatus, a plant bug that has the wonderfully descriptive common name of Fine streaked bugkin – although these nymphs have their small yellow stripes, the streaking actually refers to the adult bugs, photos of which you can see on Naturespot by clicking this link.

That website entry states that these insects are usually associated with Oak and Hawthorn but, as I often find, creatures don’t read websites, and these bugkin nymphs were all on a single willow sapling (though there were Hawthorn bushes nearby). I’ll have to keep an eye out for the adults from May through to July.

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Heterotoma planicornis

08 Monday Jul 2024

Posted by sconzani in insects

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British bugs, British insects, Heterotoma planicornis, Heterotoma planicornis nymph, plant bugs

Though I had never seen one of these before, with those flattened parts of its antennae there was no mistaking this little insect. This is Heterotoma planicornis, a tiny member of the Miridae family of plant bugs. It can be found throughout Britain, on various plant species – mine was on the leaf of an Alder tree. The NatureSpot website reports that the eggs hatch in May and the nymphs develop in to adults from June onwards. The tiny bug I found was still a nymph so I guess it will be making its final change fairly soon.

240708 Heterotoma planicornis

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Stenodema laevigata

01 Monday Aug 2022

Posted by sconzani in insects

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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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Oncotylus viridiflavus

29 Friday Jul 2022

Posted by sconzani in insects, wildflowers

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British bugs, insects on knapweed, knapweed, Miridae, Oncotylus viridiflavus, plant bugs

High summer is prime time for spotting plant bugs. By keeping an eye out for insects on wildflowers, I’ve managed to spot three new (to me) species in the past week alone. This is one of them: a mirid bug with a mouthful of a name, Oncotylus viridiflavus. A lot of these bugs have very similar markings and can be tricky to tell apart but, luckily, this little guy has quite distinct colouration and patterning and, very helpfully, was sitting right where it should be, on top of its food plant, Knapweed. The records for this species are scattered throughout the southern half of Britain but there are a lot of gaps in the map – perhaps you can be the first to find one in your area.

220729 oncotylus viridiflavus

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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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