| 词条 | Acronicta menyanthidis |
| 释义 |
| image = Acronicta_menyanthidis.jpg | taxon = Acronicta menyanthidis | authority = (Esper, 1789) }} Acronicta menyanthidis, the light knot grass, is a moth of the family Noctuidae. It is distributed through northern, central and eastern Europe, east to Siberia and the Russian Far East. {{Lepidopteran glossary hatnote}}The wingspan is 33–41 mm. Forewing bluish white, dusted and shaded with dark grey; a short black streak from near base; marginal area darker, sometimes blackish, grey; orbicular stigma quite small.- In the ab. suffusa Tutt the whole forewing is suffused with dark grey. - ab. obsoleta Tutt has the forewing quite pale with all markings faint; on the contrary ab. scotica Tuff from the west coast of Scotland is larger and brighter than the type, with all markings clear and distinct.[1] The adults fly at night from May to July {{ref|flight_season}}. They are attracted to light. The caterpillar is blackish brown with a red spiracular line with white dots. It feeds on moorland plants like bog myrtle and bilberry. Recorded food plants include Myrica, Calluna, Vaccinium, Salix, Betula, Ranunculus aconitifolius, Comarum palustre, Lysimachia nummularia and Menyanthes trifoliata.
References1. ^Seitz, A. Ed., 1914 Die Großschmetterlinge der Erde, Verlag Alfred Kernen, Stuttgart Band 3: Abt. 1, Die Großschmetterlinge des palaearktischen Faunengebietes, Die palaearktischen eulenartigen Nachtfalter, 1914 External links{{commons}}
5 : Acronicta|Moths of Europe|Moths of Asia|Moths described in 1789|Taxa named by Eugenius Johann Christoph Esper |
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