Idaea dilutaria
Template:Italic title Template:Short description Template:Speciesbox Idaea dilutaria, also called the silky wave, is a moth of the family Geometridae. It is found in Europe.
The species has a wingspan of 20–22 mm.Recognizable by its strongly silky gloss, the absence of costal colouration (the costal margin has merely a sparse dusting of dark scales), the unmarked distal margin and fringe.The ground-colour is yellowish-tinted the discal dots are minute and there are no terminal lines.The other lines are generally all of approximately equal expression, sometimes the postmedian a little stronger, sometimes the median of the forewing weak.The underside is similar, the postmedian line often a little stronger, theantemedian and sometimes the median of the forewing obsolete. The males antennal ciliation is short and even.[1]
The adults fly in one generation in July [1].
The larvae feed on Helianthemum nummularium.
Notes
- <templatestyles src="Citation/styles.css"/>^ The flight season refers to the British Isles. This may vary in other parts of the range.
References
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- ↑ Prout, L. B. (1912–16). Geometridae. In A. Seitz (ed.) The Macrolepidoptera of the World. The Palaearctic Geometridae, 4. 479 pp. Alfred Kernen, Stuttgart.pdf
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