| 词条 | Thera firmata |
| 释义 |
| name = Pine carpet | image = Thera firmata FvL.jpg | image_width = 240px | regnum = Animalia | phylum = Arthropoda | classis = Insecta | ordo = Lepidoptera | familia = Geometridae | subfamilia = | tribus = | genus = Thera | species = T. firmata | binomial = Thera firmata | binomial_authority = Hübner, 1822 | synonyms =
}} Thera firmata, the pine carpet, is a moth of the family Geometridae. It is found throughout Europe, Anatolia and countries bordering the Caucasus Mountains. The length of the forewings is 13–16 mm. The ground colour of the forewings is reddish grey.There is with a darker midfield band, indented on the inner edge.The basal field is usually the same colour as the band.The hindwing is whitish brown."It is sometimes, though quite unnecessarily, confused with the brightest reddish forms of obeliscata. Apart from the pectinate male antenna (2 pairs of rather short, slender pectinations to each segment) the paler, more yellowish-tinged hindwing, pale abdomen with red-brown dorsal line, dark subbasal mark along the hindmargin, more deeply angulated antemedian line, more bluish white (or violet-white) subterminal line, usually accompanied by some slight violet-grey shading, and absence of black apical dash all distinguish it. The typical form, which varies very little, inhabits Northern Central Europe, Switzerland and Austria-Hungary._ ulicata Rbr., from S. France, Castile and Lower Austria, has the ground-colour predominantly of the pale violet-grey or blue-grey tone and the median band darkened." [1] The moth flies in two generations from August to mid October {{ref|flight_season}}. The larva feeds on pine. Notes
References1. ^Prout , L.B. 1912–16. Geometridae. In A. Seitz (ed.) The Macrolepidoptera of the World. The Palaearctic Geometridae, 4. 479 pp. Alfred Kernen, Stuttgart. External links{{Commonscat|Thera firmata}}{{Wikispecies|Thera}}
6 : Cidariini|Moths of Europe|Insects of Europe|Insects of Turkey|Moths described in 1822|Taxa named by Jacob Hübner |
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