SM9633 : Small tortoiseshell butterflies with nettle

taken 7 years ago, near to Trecwn, Pembrokeshire/Sir Benfro, Great Britain

Small tortoiseshell butterflies with nettle
Small tortoiseshell butterflies with nettle
A pair of Aglais urticae resting beside the larval food plant on which the eggs are laid. Male and female are identically marked although the female tends to be slightly larger so probably the one on the right.
These formerly common butterflies have suffered a huge population drop in the past year or so, thought to be the result of a parasitic fly, Sturmia bella, that lays its eggs on nettles where they are eaten by the small tortoiseshell caterpillar. The eggs develop inside the larva, consuming but not killing them until they are ready to emerge.
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SM9633, 6 images   (more nearby )
Photographer
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Date Taken
Friday, 18 June, 2010   (more nearby)
Submitted
Friday, 18 June, 2010
Category
Butterfly   (more nearby)
Subject Location
OSGB36: geotagged! SM 967 334 [100m precision]
WGS84: 51:57.7212N 4:57.5607W
Camera Location
OSGB36: geotagged! SM 967 334
View Direction
West-southwest (about 247 degrees)
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