Pieris (butterfly)

Pieris, the whites or garden whites, is a widespread now almost cosmopolitan genus of butterflies of the family Pieridae. The highest species diversity is in the Palearctic, with a higher diversity in Europe and eastern North America than the similar and closely related Pontia. The females of many Pieris butterflies are UV reflecting, while the male wings are strongly UV absorbing due to pigments in the scales.

Pieris
Pieris pseudorapae, Espiye
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Pieridae
Subfamily:
Pierinae
Tribe:
Pierini
Genus:
Pieris

Schrank, 1801
Species

Almost 40, see text

Synonyms
  • Mancipium Hübner, [1806]
  • Danaus Oken, 1815
  • Ganoris Dalman, 1816
  • Andropodum Hübner, 1822
  • Tachyptera Berge, 1842
  • Artogeia Verity, 1947
  • Talbotia Bernardi, 1958

Ecology

Many species of this genus have caterpillars which feed on cabbage and other members of the Brassicaceae. The chemical basis of this association with a certain plant group has been studied for over 100 years, and is now known to occur via a number of biochemical adaptations to chemicals called glucosinolates in these plants. In contrast to most other insects, Pieris caterpillars are able to detoxify these chemicals, and have become so specialised that they will not eat any food without glucosinolates. The Pieris females, in turn, check for the presence of glucosinolates before laying eggs on a plant. The crop-damaging species have spread from Eurasia to most of the rest of the world (most recently to South America and Africa) and are considered pest insects almost everywhere. There are species of Pieris that are not pests, such as the North American species Pieris oleracea (mustard white) and Pieris virginiensis (Virginia white). These butterflies feed successfully only on specific native vegetation.[1]

Some members of Pieris are threatened by the rapid spread of some plants in the Brassicaceae, such as the way the highly invasive garlic mustard (Alliaria petiolata) kills the larvae of Pieris oleracea and Pieris virginiensis in North America. Given the large differences between the chemicals that garlic mustard creates versus those of mustards native to North America, it is likely that it is also lethal to other members of Pieris that are native to North America.[1] It is listed as a suitable food plant for the Eurasian Veined white (Pieris napi). Having not evolved with garlic mustard, the aforementioned American butterflies lay eggs on it, confusing it with their host plants due to a similar odor. Just because butterflies are members of Pieris does not mean they are all capable of feeding on the same members of Brassicaceae that other members of Pieris can feed on.[2]

Grey-veined white (Pieris melete), Tokyo

Species and notable subspecies

Arranged alphabetically:[3][4]

Pieris tadjika male (above) and female (below)
Pieris virginiensis
  • Pieris ajaka Moore, 1865 (Kashmir)
  • Pieris angelika Eitschberger, 1983 – Arctic white
  • Pieris balcana Lorkovic, 1970 – Balkan green-veined white (southeast Europe)
  • Pieris bowdeni Eitschberger, 1984 (Iran, Turkey, Transcaucasia, Kopet-Dagh)
  • Pieris brassicae (Linnaeus, 1758) – large white or large cabbage white
  • Pieris brassicoides Guérin-Méneville, 1849
  • Pieris bryoniae (Hübner, [1790-1793]) – dark-veined white or mountain green-veined white
  • Pieris canidia (Sparrman, 1768) – Indian cabbage white
  • Pieris cheiranthi (Hübner, 1808) – Canary Islands' large white
  • Pieris chumbiensis (de Nicéville, 1884) – Chumbi white
  • Pieris davidis Oberthür, 1876 (western and central China)
  • Pieris deota (de Nicéville, 1884) – Kashmir white
  • Pieris dubernardi Oberthür, 1884 (western China)
  • Pieris dulcinea (Butler, 1882) (northeastern Korea)
  • Pieris eitschbergeri Lukhtanov, 1996 (Kirgisien, Inner Tienshan) – may be synonym of Pieris deota
  • Pieris ergane (Geyer, [1828]) – mountain small white
  • Pieris erutae Poujade, 1888 (eastern Tibet, Yunnan (China))
  • Pieris euorientis (Verity, 1908) (Altai Mountains to central Yakutia)
  • Pieris extensa Poujade, 1888 (western China, Fukien, India) – sometimes in Pontia
  • Pieris krueperi Staudinger, 1860 – Krueper's small white
  • Pieris lama Sugiyama, 1996 (western China)
  • Pieris mahometana (Grum-Grshimailo, 1888) (northeastern Afghanistan and Pamirs)
  • Pieris mannii (Mayer, 1851) – southern small white
  • Pieris marginalis Scudder, 1861 – margined white
  • Pieris meckyae Eitschberger, 1983 – Mecky's white (Alaska) may be subspecies of Pieris marginalis
  • Pieris melete Ménétriés, 1857 – grey-veined white (northern India, and separately in China, Korea and Japan)
  • Pieris naganum Moore, 1884 – Naga white
  • Pieris napi (Linnaeus, 1758) – green-veined white or veined white
  • Pieris narina (Verity, 1908) (Tian-Shan)
  • Pieris nesis Fruhstorfer, 1909 (Japan)
  • Pieris ochsenheimeri (Staudinger, 1886) (mountains of central Asia)
  • Pieris oleracea Harris, 1829 – mustard white
  • Pieris persis (Verity, 1922) (Iran)
  • Pieris pseudorapae (Verity, [1908]) (southern Europe, Turkey and Iran)
  • Pieris rapae (Linnaeus, 1758) – small white or (small) cabbage white
  • Pieris shangrilla Tadokoro, Shinkawa & Wang, 2013
  • Pieris steinigeri Eitschberger, 1984 (Weihsi (China))
  • Pieris tadjika Grum-Grshimailo, 1888 (Iraq)
  • Pieris virginiensis (W.H. Edwards, 1870) – West Virginia white
gollark: I found the thing I read in my browser history (https://www.painscience.com/articles/stretching.php), and it says that stretching hasn't been found to reduce injury risk, and might just make the brain happier with using more range of motion without actually changing the muscles.
gollark: Does it actually do that?
gollark: You do get more flexibility but that doesn't seem very useful in most circumstances unless you're lacking it a lot.
gollark: Is it? I think I read that stretching actually reduces performance if you do it before sport things.
gollark: (also, 130% returns in 6 months seems waaaay too high)

References
  1. Davis, S., 2015. Evaluating threats to the rare butterfly, Pieris virginiensis. Wright State University. https://etd.ohiolink.edu/!etd.send_file?accession=wright1431882480&disposition=inline
  2. Driesche, F.V.; Blossey, B.; Hoodle, M.; Lyon, S.; Reardon, R., 2010. Biological Control of Invasive Plants in the Eastern United States. USDA Forest Service. Forest Health Technology Enterprise Team. http://wiki.bugwood.org/Archive:BCIPEUS
  3. Pieris, funet.fi
  4. Pieris, BioLib.cz

Further reading
  • Glassberg, Jeffrey Butterflies through Binoculars, The West (2001)
  • Guppy, Crispin S. and Shepard, Jon H. Butterflies of British Columbia (2001)
  • James, David G. and Nunnallee, David Life Histories of Cascadia Butterflies (2011)
  • Pelham, Jonathan Catalogue of the Butterflies of the United States and Canada (2008)
  • Pyle, Robert Michael The Butterflies of Cascadia (2002)
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