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forewing apex is rounded and there is a small discal spot towards the costal edge. The hindwings are pale whitish brown with a tiny discal spot. Females have short wings (60% of the length of the abdomen."The male may be known at once by the large discal spot of the forewing and the 2 crenulate dark lines, white-edged on the reverse sides. The rudimentary wings of the female have the apex acute, the forewing bears 2 approximated dark lines, the intervening space often darkened into a band. — ab.
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is 32–37 mm (1.3–1.5 in) and the forewings are 14–17 mm (0.55–0.67 in) long. The ground colour of the forewings is reddish brown. The male subterminal and antemedial lines are slightly wavy with the areas between these lines usually being a darker brown than the ground colour. The
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270:. The Palaearctic Geometridae, 4. 479 pp. Alfred Kernen, Stuttgart.
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Prout, L.B. 1912–16. Geometridae. In A. Seitz (ed.)
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289:Moths and Butterflies of Europe and North Africa
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212:H.-Sch. is darker, with the lines obsolete."
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248:. This may vary in other parts of the range.
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215:The moth flies in January to February .
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420:4dfa2361-5c3d-451b-8d97-4460d7d176e0
642:Taxa named by Adrian Hardy Haworth
580:. You can help Knowledge (XXG) by
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268:The Macrolepidoptera of the World
184:. It is found throughout Western
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244:The flight season refers to the
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218:The larva feeds on hawthorn (
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41:Scientific classification
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632:Moths described in 1809
576:-related article is a
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415:Fauna Europaea (new)
224:) and blackthorn (
221:Crataegus monogyna
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308:Taxon identifiers
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188:and the South
180:of the family
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441:iNaturalist
182:Geometridae
108:Geometridae
98:Lepidoptera
621:Categories
492:TheriPrima
296:(in Dutch)
254:References
174:early moth
78:Arthropoda
627:Ennominae
574:Ennominae
126:Species:
64:Kingdom:
58:Eukaryota
489:MaBENA:
467:LepIndex
459:10625407
339:BioLib:
331:Q3401871
325:Wikidata
210:ibicaria
205:wingspan
190:Caucasus
104:Family:
74:Phylum:
68:Animalia
54:Domain:
544:4267991
433:5148248
176:, is a
160:, 1809)
158:Haworth
114:Genus:
94:Order:
88:Insecta
84:Class:
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472:246840
446:483359
407:446331
394:309003
381:447843
355:160366
199:Female
186:Europe
172:, the
119:Theria
572:This
479:LoB:
454:IRMNG
389:EUNIS
368:56DC7
342:52165
234:Notes
578:stub
531:9646
513:NCBI
482:4954
428:GBIF
350:BOLD
203:The
178:moth
500:NBN
376:EoL
363:CoL
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