Grammodes stolida

Grammodes stolida
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Order: Lepidoptera
Family: Noctuidae
Genus: Grammodes
Species: G. stolida
Binomial name
Grammodes stolida
(Fabricius, 1775)
Synonyms
  • Prodotis stolida
  • Noctua stolida
  • Noctua cingularis
  • Euclidia stupida
  • Grammodes curvilinea
  • Grammodes attenuata
  • Grammodes incompleta
  • Grammodes odontota Turner, 1925

The Geometrician (Grammodes stolida) is a moth of the Noctuidae family. It is found in Africa, southern Europe, most of Asia and Australia. It migrates to Central and Northern Europe as far north as England, Denmark and Finland.

Technical Description and variation

See glossary for terms used

Forewing: basal 2/3 black brown, with basal patch, costal streak, and reniform stigma fuscous grey; crossed at middle by a pale ochreous band oblique from subcostal and widening downwards, its outer half yellowish; limited externally by a biconcave ochreous band, narrower below, followed below vein 6 by a broad brown band, on the outer edge of which are 3 or 4 irregular black patches, and above and beyond it on costa a black blotch, sharply angled externally on vein 6, these black marks forming the inner edge of a diffuse submarginal pale line; terminal area shaded with brown and fuscous, with a short black apical streak and a diffuse dark cloud below the middle; fringe grey with white base, altogether whitish round apex: hindwing olive fuscous, becoming blackish towards termen; a white band from costa at 1/3 to anal angle, and a round white submarginal spot in submedian fold; fringe brightly white, but grey between veins 2 and 4; the form stupida H.-Sch. (?spec. dist.) from Salonica, Macedonia has the bands marked with yellow only at inner margin, indicated merely by two straight dark streaks: the outer band more strongly bent inwards to costa; the white band of hindwing not straight but forming two curves;in the ab. attenuata ab. nov. [Warren] the white band is merely a narrow line from cell to inner margin.[1]

Biology

There are multiple generations per year. Adults are on wing from February to October.

Larva reddish yellow, paler on dorsum and along spiracles, marked with fine black longitudinal streaks; dorsal and subdorsal stripes dark grey, the former widening beyond the 5th segment; spiraeular lineline, double: dorsal tubercles large, while ringed with black: The larvae feed on Paliurus, Rubus, Tribulus, Coriaria and Quercus species.

References

  1. ↑ 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


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