Raising the Green Hairstreak

End of May 2015 I spent one Saturday searching for caterpillars of the Silver-washed Fritillary (Argynnis paphia). I found none. Nevertheless, on the search I bumped into a forest completely covered by growth of Lingonberry and Blueberry. Green Hairstreak butterflies (Callophrys rubi) were enjoying the warm sun.

The Green Hairstreak is one of the most common butterflies in Finland. Tracking down caterpillars, however, is not that easy. After one of the Hairstreaks took a quick rest on a branch of Lingonberry I couldn’t resist turning the leafs upside down. There is was, a single but clean white dot. A fresh egg.

Raising that egg has provided me a lot of joy during summer. I kept the caterpillar on potted Lingonberry. While the plant was on blossom, the caterpillar enjoyed its feast. The butterfly will hatch in late spring 2016.

Edit (March 20, 2016): Added photos of the hatched butterfly

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