Butterfly Islands: Southern Comma

Showing posts with label Southern Comma. Show all posts

Tuesday 28 May 2019

Butterflies on Meganisi.

In fact, butterflies encountered within a short distance of our accommodation within a stones throw of the clifftop village of Spartachori.The Island of Meganisi is situated close to Lefkada in the Ionian Islands off the west coast of mainland Greece.The surrounding landscape is one of massive limestone boulders incorporated into small 'paddocks' where there are stone walls and olive trees.The very rural conditions are supplemented by goats,chickens, and the odd cow.Butterflies are numerous and can be observed flying through the rock strewn groves and along the narrow country lanes and tracks.
The village of Spartachori is perched on a cliff overlooking the bay of Spilia.It is a very traditional and pretty village with narrow streets and picturesque houses.It is also an excellent place to see butterflies.They are attracted to the colourful flowers that cascade from the walls and buildings.The Southern Comma pictured below was seen basking in the warm on a paved street.
Other butterflies recorded in and out of the village were Eastern Dappled White,Painted Lady,Southern White Admiral,Cleopatra,Southern Swallowtail,Clouded Yellow,Scarce Swallowtail,Two-tailed Pasha,Geranium Bronze,Lulworth Skipper,Brown Argus,Wall , and a Large Tortoiseshell observed outside our villa and settling just long enough to be identified before flying on up the lane.

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The Adonis Blue

The Large Tortoiseshell

It seems the general view on the status of the Large Tortoiseshell in Britain is that it is now extinct as a breeding butterfly.
It is a butterfly of woodland edges and hedgerows that abound in willows,elms,and poplars.These trees are used by the adult to lay its eggs and this single brood appears in July and August.The emerging butterfly then hibernates over the winter in log piles and hollow trees until the next spring.
On the Isle of Wight sightings are more often than not made from early March to April.Have these butterflies overwintered on the Island or have they come from the continent where it is common?
Any sightings made in July/August pose the same question.Another explanation could be that captive-bred releases are responsible.Only the discovery of eggs and caterpillars will probably answer these questions.

I can now report that evidence has been found of breeding just along the coast at Portland in Dorset (June 2020) and again at the same location in the summer of 2021.

The Glanville Fritillary

This elegant butterfly is mainly confined to the crumbling undercliffs and chalk downs of the Isle of Wight.It is also found on the Channel Islands and at one or two isolated colonies on the British mainland.In Britain the Glanville Fritillary is at the extreme north-western edge of its range.On the continent it is readily found in flowery habitats.
Around the southern shores of the Isle of Wight the cliffs constantly erode causing them to slip away and provide perfect conditions for new growths of the butterflies laval host plant,Ribwort Plantain.
The eggs are laid to the underside of the leaves of this plant and normally hatch after about three weeks.The resulting caterpillars live together in communal webs spun over the plantain.In the autumn they hibernate and recommence feeding in the spring,eventually dispersing to prepare for pupation.
The adult butterfly is on the wing from May to the end of June with the female being larger than the male.They will feed on,amongst other things, Birds-foot Trefoil and Thrift.

The Wall Brown

On the Isle of Wight in particular,the Wall Brown is a butterfly of field edges,coastal cliffs and dunes,and rabbit-grazed downland.
The male is territorial and spends much of the time patrolling and basking on the ground.
The female,which lacks the males conspicuous dark sex brand across the forewings,is larger.The undersides of both sexes are beautifully cryptic when at rest.
The Wall Brown generally produces two broods a year,the first from late April until late June and the second from mid-July to mid-September.