Hada plebeja

Hada plebeja, the shears, is a moth of the family Noctuidae. It is found in Europe and across the Palearctic to Asia Minor, Armenia, Turkestan, Central Asia, Mongolia, Siberia. Also Kashmir.[1][2]

Shears
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Noctuidae
Genus:
Hada
Species:
H. plebeja
Binomial name
Hada plebeja
(Linnaeus, 1761)
Synonyms
  • Hada nana

Technical description and variation
For a key to the terms used, see Glossary of entomology terms.

The wingspan is 30–35 mm. The length of the forewings is 14–17 mm. Forewing lilac-grey, suffused with olive fuscous, deepest in median area; claviform stigma small, black-edged, followed by a broad bidentate pale patch at base of vein 2; orbicular and reniform pale grey with white edges; marginal area dark; submarginal line preceded by black dentate markings: veins more or less grey-scaled; hindwing fuscous, paler basewards; the fringe pale; - leucostigma Haw. has the ground colour whiter; hilaris Zett. is a form of this in which the whitish orbicular and the pale blotch on vein 2 are confluent and form one long streak; ochrea Tutt is a form, common in Britain, in which the forewing is varied with yellow scales: - latenai Pierr. is a melanic mountain form from Switzerlandand the Hebrides.[3]

Biology

The moth flies from early June to early July.[4] Larva dark brown; dorsal and lateral lines pale; subdorsal lines formed of dark lunular blotches: spiracles black; head glossy black. The larvae feed on smooth hawksbeard, Hieracium pilosella, Taraxacum and alfalfa.[5] preferring the roots.

gollark: I worked it out as 360-(360/π) degrees, which seems weird since that would make it independent of radius. Maybe it is, who knows.
gollark: So you want L+2r there to equal the total circumference of the circle?
gollark: It's a theta.
gollark: Er, sector, not area.
gollark: The *perimeter* of the area equals its total circumference?

References
  1. Colour Atlas of Siberian Lepidoptera
  2. Lepidoptera and their ecology
  3. 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.
  4. Hada plebeja Funet.fi - Finland Centre for Science, retrieved on 11 October 2009
  5. "Robinson, G. S., P. R. Ackery, I. J. Kitching, G. W. Beccaloni & L. M. Hernández, 2010. HOSTS - A Database of the World's Lepidopteran Hostplants. Natural History Museum, London".


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