Kingdom Animalia Class Insecta Family Noctuidae Scientific name Capsula algae | Phylum Arthropoda Order Lepidoptera Genus Capsula Rank Species | |
 | ||
Similar Dicycla oo, Hyppa rectilinea, Senta flammea, Caradrina selini, Ipimorpha retusa | ||
Capsula algae (rush wainscot) is a moth of the family Noctuidae. It is found in Central and Southern Europe (and very sporadically in North-western Europe), Turkey, Armenia, Northern Caucasus, South-west Siberia.
Contents
Technical description and variation
The wingspan is 32–45 mm. Forewing yellowish rufous, the rufous tint predominating in the male, the yellowish in the female; veins more or less tinged with grey; a dark smudge at lower angle of cell; an outer row of dark vein-dots; hindwing grey with a dark paler-edged outer line; a rare form, ab. liturata ab.nov. [Warren] has both lines complete and dentate throughout, the median vein thickly black; - in the Norfolk Fens a very dark form occurs, ab. fumata ab. nov. [Warren] with the wings, especially in the male, dark brown or black brown.
Biology
Adults are on wing from July to September depending on the location. There is one generation per year.
Larva greenish dotted with black; head brown; thoracic plate pale green.The larvae bore the stems of Scirpus lacustris, Typha species and Iris pseudacorus.