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~ a celebration of nature

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Tag Archives: Lime trees

Lime aphids

19 Monday Aug 2024

Posted by sconzani in insects, trees

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Tags

aphids on Lime trees, British aphids, Eucallipterus tiliae, insects on Lime trees, Lime aphid, Lime trees

Last Tuesday, on my way home from exploring a local park, I stopped to investigate the leaves of a Lime tree (Tilia species, not sure which one) as I’ve never really found anything of much interest on Limes. Well, that soon changed because the undersides of these leaves were awash with aphids, unsurprisingly Lime aphids (Eucallipterus tiliae), a species I’d never seen before.

240819 eucallipterus tiliae (1)

And when I checked on the Welsh biodiversity database later in the day, I was surprised to find only five previous Welsh records. As is the way with many small creatures though, I now believe these aphids are under-recorded as the following day, walking in the opposite direction, I found two more colonies. It seems more people need to become leaf-turners and leaf-botherers so we can get a clearer, more accurate picture of our insect populations.

240819 Eucallipterus tiliae (2)

If you’re interested in learning more about these aphids and their life cycle, the Influential Points website has an excellent page, with very clear images though slightly technical scientific information.

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161/366 Mite galls on Lime leaves

09 Tuesday Jun 2020

Posted by sconzani in insects, lichen, nature, trees

≈ 3 Comments

Tags

Eriophyes mites, gall mites, gall-causing mites, galls on Lime leaves, lime galls, Lime trees, mites

These stopped me in my tracks!

200609 lime gall mites (1)

I’d enjoyed a nice amble around a local park and was on my way home when I spotted these incredible galls and just had to stop for some photos. The galls are caused by tiny mites that spend the cool winter months huddling in cracks on the tree’s bark, then head out on to the leaves when they sprout in the springtime.

200609 lime gall mites (2)

The mites are leaf-sap suckers, and their sap sucking causes a chemical reaction in the leaf, which in turn prompts the leaf to produce these small, conical, hollow growths. The mites are incredibly tiny – less than 0.2mm long apparently – so they’re almost never seen, whereas their cosy gall homes can grow to 8mm long and, when they’re as bright as these ones were, are very obvious on the leaves.

200609 lime gall mites (3)
200609 lime gall mites (4)

I’m not sure which mites these are as I’m not sure which tree species this is. One mite species, Eriophyes tiliae, is the gall causer on Large-leaved lime trees (Tilia platyphyllos), Common limes (Tilia x europaea) and some hybrid Lime species, and another mite, Eriophyes lateannulatus, causes very similar galls on Small-leaved Limes (Tilia cordata) and hybrid Limes.

200609 lime gall mites (5)

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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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