Ectoedemia intimella

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Ectoedemia intimella - Wikipedia

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Ectoedemia intimella

Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Nepticulidae
Genus:	Ectoedemia
Species:	E. intimella
Binomial name
*Ectoedemia intimella* (Zeller, 1848)
Synonyms
Nepticula intimella Zeller, 1848 Dechtiria intimella Stigmella intimella

Ectoedemia intimella is a moth of the family Nepticulidae which is found in Europe. It flies in June and July and the larva mine the leaves of willows (Salix species) from July to November.^[1] ^[2]

Description

The wingspan is 5.3 to 6.8 mm. The head is ferruginous to orange, the collar whitish. Antennae are wholly ochreous-whitish. The forewings are blackish or dark fuscous, faintly purplish-tinged; an ochreous whitish dorsal spot hardly beyond middle; tips of apical cilia white. Hindwings grey.^[3] Adults are on wing in June and July and there is one generation per year.^[4]

Life cycle

Egg

Eggs are laid in June and July on the upperside of the midrib of a willow leaf. It is hard to find, but it is usually approximately 10 mm nearer the petiole then where the larva enters the midrib to start the mine.^[4]

Larva

The larva is pale yellow with a green gut and its head is pale brown. At first they mine the midrib and then make a blotch in the leaf. It makes a double line of frass with a passage between the lines of frass leading back to the midrib. When not feeding the larva hides in the midrib and when too large for the midrib it rests between the line of frass. Eventually the larva remains at the feeding edge of the mine and the frass is deposited haphazardly, blocking the passage to the midrib. Occasionally a larva mines the petiole and rarely a lateral rib. If a leaf falls the larva can be found in a green island and waterlogging does not seem to affect the larva.^[4]^[5]

Pupa

The pupa can be found from November to June, in a pale orcheous to light reddish brown cocoon, on the ground or in leaf litter.^[4]^[5]

Ecology

The moth is univoltine (i.e. one generation per year) and can be disturbed from the foliage of the larval food plant.^[4]

Host plants

It feeds on eared willow (Salix aurita), Babylon willow (Salix babylonica), goat willow (Salix caprea), grey willow (Salix cinerea), Salix dasyclados, crack willow (Salix fragilis), bay willow (Salix pentandra), tea-leaved willow (Salix phylicifolia) and common osier (Salix viminalis).

Distribution

Widely distributed in northern, western and central Europe, but not yet recorded from Norway. In the south it is only known from northern Italy, northern former Yugoslavia and Romania.

References

^ lepiforum.de includes images This article incorporates text from this source, which is in the public domain.
^ van Nieukerken, E. J. (1985): A taxonomic revision of the Western Palaearctic species of the subgenera Zimmermannia Hering and Ectoedemia Busck s. str. (Lepidoptera, Nepticulidae), with nothes on their phylogeny. Tijdschrift voor entomologie 128: 1-164.pdf
^ Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf This article incorporates text from this source, which is in the public domain. Keys and description
^ ^a ^b ^c ^d ^e Emmet, A M (1983). Heath, John (ed.). The Moths and Butterflies of Great Britain and Ireland. Volume 1. Colchester: Harley Books. pp. 190–1. ISBN 0-946589-15-1.
^ ^a ^b Emmet, A M, ed. (1988). A Field Guide To The Smaller British Lepidoptera (Second ed.). London: British Entomological and Natural History Society. p. 18. ISBN 0-9502891-6-7.

External links

Wikimedia Commons has media related to Ectoedemia intimella.

Taxon identifiers

Ectoedemia intimella

Wikidata: Q5334102
Wikispecies: Ectoedemia intimella
BioLib: 44702
BOLD: 269317
CoL: 6DVZF
EoL: 955199
EUNIS: 298459
Fauna Europaea: 432059
Fauna Europaea (new): 0bedbd74-c3c0-411d-bec8-aaff5c06d990
GBIF: 1735818
iNaturalist: 522475
IRMNG: 11252173
LepIndex: 135840
LoB: 6119
NBN: NHMSYS0000502272
NCBI: 1070345
Observation.org: 25484
Open Tree of Life: 33555
PPE: ectoedemia-intimella

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