Subphylum Hexapoda | Rank Species | |
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Similar Diarsia, Ingrailed clay, Diarsia brunnea, Small square‑spot, Protolampra sobrina | ||
Diarsia dahlii, the barred chestnut, is a moth of the Noctuidae family. It is found in Europe, through the Palearctic East to the Kamchatka Peninsula, North China and Japan.
Contents
Description
The wingspan is 28–40 mm.Forewing reddish brown with an ochreous tint in the male, darker, purplish brown in female; lines plain in the paler males; stigmata of the ground colour, the reniform with the lower lobe dark, the upper sometimes ochreous; claviform with a black dot at the tip; a distinct dark median shade; in the 2 the submarginal line is pale; hindwing dull fuscous, the fringe pinkish. A variable species occurring under different forms: ab. nana Stgr. from S. E. Siberia is a dwarf form, not much more than half aslarge as the typical insect.
Biology
Adults are on wing from August to September depending on the location.
The larvae feed on Betula, Vaccinium myrtillus, Rumex and Plantago.