Stigmella obliquella

Stigmella obliquella
	Genitalia preparations of Stigmella species are essential for certain determination
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Nepticulidae
Genus:	Stigmella
Species:	S. obliquella
Binomial name
	Stigmella obliquella; (Heinemann, 1862)
Synonyms
	List Nepticula obliquella Heinemann, 1862; Nepticula babylonicae Hartig, 1949; Nepticula diversa Glitz, 1872; Nepticula wockeella Heinemann, 1871; ;

Stigmella obliquella is a moth of the family Nepticulidae which feeds on willow (Salix species) and can be found in Asia and Europe. It was first described by Hermann von Heinemann in 1862.

Description

The wingspan is 4.6–6 mm.A small, dark moth. The head is covered with yellow, hair-like scales, the enlarged first antennae joint and the collar are white. The body and forewing are blackish-brown, the forewing has a cream-coloured transverse band in the middle that is narrower in the middle. The hind wing is grey. The larva is yellow. Meyrick - The head is orange, the collar yellow-white. Antennal eyecaps yellow-white. Forewings are coarse, dark brown basal to the yellowish cross fascia, apex black. Hindwings grey.^[1] ^[2]^[3]^[4] The morphology of the genitalia must be examined for certain determination.

Adults are on wing from April to May and again in August.

Life cycle

Eggs

Laid on either side of a leaf of one of the smooth-leaved willows in May–June or August–September.^[5]

Larva

The larva is amber-yellow with a brown head and has a faint chain of pear-shaped dark ventral spots.^[6]

The larvae feed on Salix alba, S. babylonica, Salix x sepulcralis 'Chrysocoma', Salix x fragilis, S. pentandra, S. triandra and S. viminalis.^[7]

Pupa

Pupation takes place outside of the mine.

Distribution

It is found in all of Europe (except the Balkan Peninsula), east to eastern Russia and China.

References

Content in this edit is translated from the existing Norwegian Wikipedia article at no:Stigmella obliquella; see its history for attribution.

^ Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London This article incorporates text from this source, which is in the public domain.
^ lepiforum.de includes images This article incorporates text from this source, which is in the public domain.
^ Emmet, A. M., 1976. Nepticulidae. — In: J. Heath (ed.). The Moths and Butterflies of Great Britain and Ireland 1: 171—267, pls. 1—7, 11, 12.
^ Zagulajev, A.K., 1987 Nepticulidae (Stigmellidae); in G.S. Medvedev (ed.): Keys to the insects of the europaean part of the USSR, Vol.IV: Lepidoptera, part 1 (english translation), Oxonian Press Pvt.Ltd., New Dehli, 1987
^ Emmet, A E (1988). A Field Guide To The Smaller British Lepidoptera (Second ed.). London: British Entomological & Natural History Society. p. 24.
^ Emmet, A M (1983). Heath, John (ed.). The Moths and Butterflies of Great Britain and Ireland. Volume 1. Colchester: Harley Books. p. 229. ISBN 0-946589-15-1.
^ Brian Pitkin; Willem Ellis; Colin Plant; Rob Edmunds (12 July 2019). "'Stigmella obliquella' [Lepidoptera: Nepticulidae] in Leaf and stem mines of British flies and other insects". www.ukflymines.co.uk. Retrieved 18 August 2022.

External links

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[1] Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London This article incorporates text from this source, which is in the public domain.

[2] rum.de includes images This article incorporates text from this source, which is in the public domain.

[3] Emmet, A. M., 1976. Nepticulidae. — In: J. Heath (ed.). The Moths and Butterflies of Great Britain and Ireland 1: 171—267, pls. 1—7, 11, 12.

[4] Zagulajev, A.K., 1987 Nepticulidae (Stigmellidae); in G.S. Medvedev (ed.): Keys to the insects of the europaean part of the USSR, Vol.IV: Lepidoptera, part 1 (english translation), Oxonian Press Pvt.Ltd., New Dehli, 1987

[5] Emmet, A E (1988). A Field Guide To The Smaller British Lepidoptera (Second ed.). London: British Entomological & Natural History Society. p. 24.

[mbgbi1-6] Emmet, A M (1983). Heath, John (ed.). The Moths and Butterflies of Great Britain and Ireland. Volume 1. Colchester: Harley Books. p. 229. ISBN 0-946589-15-1.

[7] Brian Pitkin; Willem Ellis; Colin Plant; Rob Edmunds (12 July 2019). "'Stigmella obliquella' [Lepidoptera: Nepticulidae] in Leaf and stem mines of British flies and other insects". www.ukflymines.co.uk. Retrieved 18 August 2022.

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