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Thyris fenestrella

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Thyris fenestrella
Thyris fenestrella, upperside
Lateral view
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Thyrididae
Genus:
Thyris
Species:
T. fenestrella
Binomial name
Thyris fenestrella
(Scopoli, 1763) [1]
Synonyms
  • Phalaena fenestrella Scopoli, 1763

The pygmy (moth) (Thyris fenestrella) is a moth of the family Thyrididae.

Distribution

This species can be found in central and southern Europe and Asia Minor. The species is most frequent in southern Europe.[2][3]

Habitat

These thermophilous moths mainly inhabit coastal environments, warm forest edges, sunny slopes with calcareous soil, scrub and hedgerows where the host plant grows.[4]

Description

Thyris fenestrella has a wingspan of 15–20 mm. The basic color of the wings is grayish- dusky brown. The frontwings have some orange dots along the front edge and a distinctive slightly translucent whitish patch in the middle of each wing. These almost transparent areas are similar to windows (hence the Latin species name fenestrella, meaning small window). Two of such windows are present also in the middle of the hindwings. The abdomen is blackish-brown, with some slight white cross bands.[4][5]

The caterpillars can reach a length of about 10 millimetres (0.39 in). They are yellowish or olive green with a slightly transparent skin and numerous large black verrucae. The head is dark brown. Pupa are stubby and reddish brown.[5]

Mounted specimen. Upperside and underside

Biology

This species has two generations a year, hibernating as a chrysalis. Adults are on wing from May until mid-August. They are particularly active in sunny days. The larvae feed on Clematis vitalba,[6] Sambucus nigra, Arctium lappa and are found in July and August.

References

  1. ^ Catalogue of life
  2. ^ Fauna europaea
  3. ^ Funet
  4. ^ a b Vlindernet.nl (in Dutch)
  5. ^ a b Łukasz Dawidowicz Confirmation of the occurrence of Thyris fenestrella in Poland and remarks about its biology Zoologica Poloniae (2015) 60/1. 5-9
  6. ^ Paolo Mazzei, Daniel Morel, Raniero Panfili Moths and Butterflies of Europe and North Africa
  • Zagulajev. A. K. 1987 - Family Thyrididae
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