Green hairstreak: Difference between revisions
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==References== |
==References== |
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{{Reflist}} |
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==External links== |
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* [https://lepidoptera.eu/species/121 Lepidoptera Mundi] by Christopher Jonko |
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* [http://www.lepiforum.de/cgi-bin/lepiwiki.pl?Callophrys_Rubi Lepiforum.de] |
* [http://www.lepiforum.de/cgi-bin/lepiwiki.pl?Callophrys_Rubi Lepiforum.de] |
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* [http://www.papillon-poitou-charentes.org/Callophrys-rubi-Linnaeus-1758,7867.html Papillon-poitou-charentes] |
* [http://www.papillon-poitou-charentes.org/Callophrys-rubi-Linnaeus-1758,7867.html Papillon-poitou-charentes] |
Revision as of 19:27, 12 July 2018
Green hairstreak | |
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Near Aston Upthorpe, Oxfordshire, England | |
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Scientific classification | |
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Species: | C. rubi
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Binomial name | |
Callophrys rubi |
The green hairstreak (Callophrys rubi) is a small butterfly in the family Lycaenidae.
Etymology
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/49/Green_hairstreak_%28Callophrys_rubi%29_head.jpg/220px-Green_hairstreak_%28Callophrys_rubi%29_head.jpg)
The genus name Callophrys is a Greek word meaning "beautiful eyebrows", while the species Latin name rubi derives from Rubus (bramble), one of the host plants.[1]
Subspecies
- Callophrys rubi rubi Europe, Caucasus, Kopet Dag
- Callophrys rubi fervida Staudinger, 1901 Iberian Peninsula, Morocco, Asia Minor
- Callophrys rubi borealis Krulikovsky, 1890 Urals
- Callophrys rubi sibirica Heyne, [1895] Tien-Shan, Altai, Siberia, Transbaikalia, Far East, Amur, Ussuri and Sakhalin.[2]
Description
Callophrys rubi has a wingspan reaching about 26–30 millimetres (1.0–1.2 in).[3] The upperside of the wings is a uniform dull brown with two paler patches on the male's forewings made up of scent scales.[1] The undersides are a bright green with a thin white line, often reduced to a faint row of dots or even missing altogether. The iridescent green colour of the undersides is a structural colour caused by diffraction and interference of light by microscopic repeating structures in the wing scales.[4] The caterpillars are green with yellow markings along the back.[1] Like other members of the family they are rather sluglike.
Life cycle and behavior
![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/1e/Callophrys_rubi_egg.jpg/200px-Callophrys_rubi_egg.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/3c/Dieschmetterling14ecks_0142.png/230px-Dieschmetterling14ecks_0142.png)
These butterflies can be found at the end of March, the flight time usually extend until the end of June, but sometime they were seen in July and early August.[3] They never rest with their wings open, in order to keep their green camouflage.[1][5] The males show a territorial behavior.[1]
The eggs are laid singly.[1] The caterpillars are not known to be tended by ants like some lycid larvae but the pupae, which are formed at ground level, emit squeaks which attract ants and it is thought that ants will always bury any that are found. Green hairstreaks overwinter as pupae and are univoltine, having one generation of adult butterflies per year.
The larva is recorded as feeding on Vaccinium myrtillus, Vaccinum uliginosum, Betula, Rubus idaeus, Vicia cracca, Trifolium medium, Calluna vulgaris, Frangula, Rhamnus, Ribes, Spiraea, Caragana, Chamaecytisus, Hedysarum, Genista, Trifolium and Hippophae rhamnoides in different parts of its range.[2]
This polyphagous species has what is probably one of the largest range of food plants of any British butterfly. Early butterfly collectors thought that the only food plant was bramble (blackberry) Rubus fruticosus but as its habits became better understood the list grew and will probably continue to do so. Depending on the habitat it will use common rock rose Helianthemum nummularium, bird's-foot trefoil Lotus corniculatus, gorse Ulex europaeus, broom Cytisus scoparius, Dyer's greenweed Genista tinctoria, bilberry Vaccinium myrtillus, dogwood Cornus sanguinea, buckthorn Rhamnus cathartica, cross-leaved heath Erica tetralix and bramble.[1]
Habitat
The wide range of food plants means that this butterfly is able to use a wide range of habitats including chalk downland, heathland, moorland and clearings in woodland.[1] It is present in wetlands as well as on poor dry meadows, at an elevation of about 0–2,300 metres (0–7,546 ft).[3][5]
Distribution
Callophrys rubi is found in most of Europe,[6] North Africa, Russia, Asia Minor, Siberia, Amurland, Baluchistan and Chitral.[2] It is still widespread across most of the UK, although many colonies have been lost in recent years. In Mediterranean countries it is quite localised and it is usually found near the coasts.
References
- ^ a b c d e f g h Learn About Butterflies
- ^ a b c "Callophrys Billberg, 1820" at Markku Savela's Lepidoptera and Some Other Life Forms
- ^ a b c Butterfly Guide
- ^ Morris R.B. (1975) Iridescence from diffraction structures in the wing scales of Callophrys rubi, the Green Hairstreak. Journal of Entomology (A) 49, 149-154.
- ^ a b Eurobutterflies
- ^ Fauna europaea
External links
- Lepidoptera Mundi by Christopher Jonko
- Lepiforum.de
- Papillon-poitou-charentes