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Why are these wasps gathering on top of mountains? Readers’ nature queries

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Little egret

I noticed this exotic-looking heron with bright-yellow ft wading within the Dodder behind the Aviva stadium. Is it a snowy egret? – Mark O’Rahelly
The perils of trying issues up on Google! Snowy egrets solely happen within the Americas. This is somewhat egret, a resident breeding species right here for the previous 24 years, having unfold northwards from southern Europe consequently of local weather change

Gorse
Gorse

Gorse crops appear to be dying on an enormous scale this 12 months. Any concepts why? This instance is from Trooperstown. – Tom Fuller
The fungus-type pathogen (Phytophthora ramorum) got here into this nation on rhododendron in 2002, unfold to Japanese larch in 2010 and is now attacking our spring-flowering furze (Ulex europaeus).

‘In the past few days we have seen gatherings of 10-25 wasps on the summit cairns of four mountains in the west of Ireland’
‘In the past few days we have seen gatherings of 10-25 wasps on the summit cairns of four mountains in the west of Ireland’

In the previous few days we have now seen gatherings of 10-25 wasps on the summit cairns of 4 mountains within the west of Ireland at and above 632m. These are rocky mountains, with out a lot obtainable nectar. Could the wasps have been feeding on midges? Or why are they there in any respect? – Garret Michael and Helen Lawless
A puzzle proper sufficient. Jim Hardie from the Royal Entomological Society agrees that it’s the Norway wasp, which has a scattered distribution in upland areas. There could also be a nest there and the wasps may have been feeding midges to their hungry grubs. But the adults now want sugary meals and there are no flowers at that peak . . .

Herald moth
Herald moth

This moth got here into our rest room close to Gorey. Please determine this for us to keep away from a household argument after we didn’t kind it on Google. – Charles Dudley
It is a herald moth, which flies till November. It is widespread sufficient in Ireland and over winters as an grownup. Hope this prevents an outbreak of struggle.

Orbweb spider
Orbweb spider

This pretty image of the orbweb spider (Araneus quadratus) was photographed and recognized by Dylan Carey in Co Mayo.

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