Rhyacia helvetina (Boisduval, 1833)

Taxonomy

class Insecta → subclass Pterygota → infraclass Neoptera → superorder Holometabola → order Lepidoptera → superfamily Noctuoidea → family Noctuidae → subfamily Noctuinae → tribe Noctuini → subtribe Noctuina → genus Rhyacia → species Rhyacia helvetina

Species name(s)

Rhyacia helvetina (Boisduval, 1833) = Noctua helvetina Boisduval, 1833. [9, 10]

urn:lsid:insecta.pro:taxonomy:7853

Expansion

Zoogeographical regions

Palaearctic.

Russia regions

#14. Vostochno-Kavkazsky.

Forewing length

18—20 mm.

Primary colors

Brown/Gray/Black.

Flight time

January

February

March

April

May

June

July

August

September

October

November

December

Larva lifespan

 					January 					February 					March 					April 					May 					June 					July 					August 					September 					October 					November 					December 			

Detailed information with references

Distribution

Austria, Germany, Greece, Spain, Italy, France, Switzerland. [1].
Andorra, Austria, Germany, Greece (mainland), Spain (mainland), Italy (mainland), Crete, France (mainland), Switzerland. [10].
Regions of the Russian Federation: East Caucasian. [3].
The Swiss scoop is distributed exclusively in the Alps. [85].

Imago Habitus and Differences from alike species

The length of the front wing does not exceed 2 cm. The underside of the hindwings is grey, with an indistinct median shadow. [85].

General info about Imago

It flies at night. [85].

Imago lifespan

From July to August. Always gives only one generation. [85].

General info about Larva

The caterpillars are active at night. [85].

Larva food plants / other food objects

Дикорастущие злаки, другие травянистые растения. [85].

Larva lifespan

Larvae are active in August-June. [85].

Overwintering stage

The caterpillar overwinters. [85].

Subspecies of Rhyacia helvetina

Rhyacia helvetina banghaasi Boursin, 1940. [9]
R. h. deliciosa Brandt, 1938. [9]
R. h. helvetina (Boisduval, 1833). [10]
R. h. lhassen (Le Cerf, 1932). [9]
R. h. plumbina (Wagner, 1913). [9]
R. h. pyrenaica (Boursin, 1928). [10]
R. h. rjabovi Boursin, 1940. [9]
R. h. schepleri (Fibiger, 1993). [10]

Authors

Initial species uploading to the site: Peter Khramov.

Text data: Peter Khramov.

The species characteristics formalization: Peter Khramov.

References

[1] O. Karsholt, J. Razowski (eds.), 1996. The Lepidoptera of Europe: a distributional checklist
[3] Каталог чешуекрылых (Lepidoptera) России. Под ред. С. Ю. Синёва. СПб.; М.: Товарищество научных изданий КМК, 2008
[9] Tree of Life (funet.fi), 2012
[10] de Jong, Y.S.D.M. (ed.) (2011) Fauna Europaea version 2.4 (faunaeur.org)
[85] Lepidoptera species catalogue, Lepidoptera.ru, 2015