| Northern spinach | |
|---|---|
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Geometridae |
| Genus: | Eulithis |
| Species: | E. populata |
| Binomial name | |
| Eulithis populata (Linnaeus, 1758) | |
| Synonyms | |
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Eulithis populata, the northern spinach, is a moth of the genus Eulithis in the family Geometridae.
Etymology
The species name populata derives from the Latin word populus, meaning poplar, as a food plant for the caterpillar.
Distribution and habitat
Eulithis populata is a Holarctic species found in North America, Europe, the Caucasus, Transcaucasia, the Urals, Siberia, Russian Far East, and North Mongolia. These moths usually inhabits blueberry and mixed forests, peat moorland, wetlands and grassland. The altitude distribution reaches up to 2500 meters in the Alps and up to 2300 meters in the Pyrenees.
Description
The wingspan is 25–32 mm. The ground colour of the forewings is yellow (varying in ground colour from a straw yellow to orange-brown or dark brown). There is a brown central band and a brown basal patch. There is a W shaped projection on the cross band.
Adult caterpillars are extraordinarily variable in colour and have a whitish, yellowish, greenish, brownish, blackish or reddish colour. They are most likely to be recognized by the dark dorsal line located on the front segments, also the dark wedge spots on the posterior segments as well as the distinct annular brown thickening of the second body segment.
These moths are rather similar to Eulithis mellinata and Eulithis pyraliata.
Biology
Eulithis populata is a univoltine species. The species overwinters in the egg stage. The flight period is June to September, in the mountains also until October. These moths are mostly twilight and nocturnal moths, but occasionally they can also be found during the day. In their typical resting position of the adults, the end of the abdomen is bent slightly upwards.
The larvae usually feed on the leaves of blueberry (Vaccinium myrtillus). Alternative food plants are Vaccinium uliginosum, Ribes rubrum, Salix , Betula and Populus tremula. Usually adults can be found in large numbers by sucking on the flowers of Molinia caerulea, Holcus, Juncus conglomeratus and Juncus effusus.
Gallery
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Side view
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In flight
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Mounted specimen
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Larvae after final moult
References
- ^ Paolo Mazzei, Daniel Morel, Raniero Panfili Moths and Butterflies of Europe and North Africa
- Catalogue of life
- Lepiforum.de (in German)
- Fauna europaea
- ^ UK Moths
- Axel Hausmann & Jaan Vidalepp: The Geometrid Moths of Europe Volume 3 Subfamily Larentiinae I, Apollo Books, Aamosen, 2012, ISBN 978-87-88757-39-2, S. 267/268
- British lepidoptera
- iNaturalist
- Günter Ebert (Hrsg.): Die Schmetterlinge Baden-Württembergs. 1. Auflage. Band 8. Nachtfalter VI. Geometridae 1 Ulmer, Stuttgart 2001, ISBN 3-8001-3497-7, S. 333–335(in German)
| Taxon identifiers | |
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| Eulithis populata |
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