Swammerdamia caesiella

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Swammerdamia caesiella
Swammerdamia caesiella BOLD.JPG
Swammerdamia caesiella (8924806558).jpg
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Yponomeutidae
Genus: Swammerdamia
Species:
S. caesiella
Binomial name
Swammerdamia caesiella
(Hübner, 1796) [1]
Synonyms
  • Tinea caesiellaHübner, 1796
  • Swammerdamia heroldellaHübner, [1825]
  • Swammerdamia heroldella
  • Tinea nubeculellaTengström, 1848
  • Swammerdamia nubeculella
  • Tinea griseocapitellaStainton, 1851
  • Swammerdamia griseocapitella

Swammerdamia caesiella is a moth of the family Yponomeutidae. It is found from most of Europe to Japan. It is also present in North America, [2] where it is possibly an introduced species. [3]

Gnawed birch leaves Swammerdamia caesiella gnawed birch leaves.JPG
Gnawed birch leaves
Larva Swammerdamia caesiella larva.JPG
Larva

The wingspan is 9–13 mm. The head is white. The thorax is white, sometimes anteriorly fuscous-sprinkled. Forewings are white, irregularly irrorated with fuscous; some longitudinal series of blackish dots; antemedian dark fuscous fascia reduced to two spots, discal and dorsal; two white spots on costa posteriorly, separated by a dark fuscous spot; cilia coppery-tinged, with two dark purplish-fuscons lines. Hindwings are pale fuscous. The larva is reddish-brown; dorsal line broad, paler, becoming indistinct posteriorly; spiracular broad, yellowish-white; head pale yellow-ochreous. [4]

They are on wing from May to June and again in August in two generations per year. [5]

The larvae feed on Betula species. They feed on the parenchyma on the upperside of a leaf, beneath a silken web.

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References

  1. Fauna Europaea
  2. Swammerdamia at funet
  3. Bug Guide
  4. Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf PD-icon.svg This article incorporates text from this source, which is in the public domain . Keys and description
  5. UKmoths