| Feathered Thorn Colotois pennaria |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Geometridae |
| Genus: | Colotois |
| Species: | C. pennaria |
| Binomial name | |
| Colotois pennaria Linnaeus, 1761 |
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| Synonyms | |
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The Feathered Thorn (Colotois pennaria) is a moth of the family Geometridae.
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The common name Feathered Thorn derives from the very strong feathering on the antennae of the male. Also the species name pennaria derives from the Latin suffix aria - meaning “related to or connected with” - at the end of the Latin word penna meaning “feather”.
The forewings of this species are basically brown but individuals vary greatly in tone from drab light brown to much richer reddish tones. They are usually marked with two dark fascia and a small discal spot but these features can be faint or almost absent. The hindwings are lighter buffish brown. The wingspan is 46–50 mm, the males being usually larger and broader-winged than the females. The females tend to be rather sluggish but the males fly actively at night and are attracted to light. The species is on the wing from September to November [1].
The caterpillar is hairless, brown and twig-like and reaches a length of up to 50 millimeters. It can be found from May to July feeding mainly at night on a variety of trees and shrubs (see list below). The species overwinters as an egg.
This species can be found throughout Europe and the Near East.
These moths are mainly present deciduous and mixed forests and in large gardens.