Gillmeria ochrodactyla

Gillmeria ochrodactyla is a moth of the family Pterophoridae found in Asia and Europe. It was first described by the Austrian entomologists, Michael Denis & Ignaz Schiffermüller in 1775.[1]

Gillmeria ochrodactyla
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Pterophoridae
Genus:
Gillmeria
Species:
G. ochrodactyla
Binomial name
Gillmeria ochrodactyla
Synonyms

Discription

The species was known as Gillmeria tetradactyla until recently, but is now known as Gillmeria ochrodactyla. Gillmeria tetradactyla is now an invalid name. Reason for this decision is to eliminate the confusion with Platyptilia tetradactyla.

Gillmeria ochrodactyla has a wingspan of 24–28 millimetres (0.94–1.10 in) and is superficially similar to Gillmeria pallidactyla. G. ochrodactyla has brown and white bands on its hindlegs below the middle spurs, whereas the legs of G pallidactyla are not banded.[2] The moth is single-brooded, flying from late June to August, can be found resting on the flower-heads of the larval food plant, tansy (Tanacetum vulgare). After dark, the imago will come to light.[3]

The larvae initially feed on tansy (Tanacetum vulgare) flowers in August, then mine down a shoot, and from November to March, diapause in the roots. In April the larvae eat in to a new-growth stem mining for about 2 cm, moves to a fresh position in the stem, or to a new stem to continue mining until early June.[2] Larvae can be found by searching for wilted stems, or for frass under leaf sheafs. G. pallidactyla larvae have been found on tansy but the mature larvae feed externally on the stem, rather than mining the stem.[2]

Distribution

It is found in most of Europe and has recently been recorded from Iran and Tajikistan.[4][5]

References
  1. "Gillmeria ochrodactyla (Denis & Schiffermüller, 1775)". Fauna Europaea. Retrieved 12 June 2020.
  2. Kimber, Ian; Smith, Ian F. "Gillmeria ochrodactyla ([Denis & Schiffermüller], 1775)". UKmoths. Retrieved 11 June 2020.
  3. Stirling, Phil; Parsons, Mark; Lewington, Richard (2012). Field Guide to the Micro Moths of Great Britain and Ireland. Gillingham, Dorset: British Wildlife. p. 190. ISBN 978 0 9564902 1 6.
  4. Notes on the tribes Platyptiliini and Exelastini from Iran (Lepidoptera: Pterophoridae) Archived September 24, 2012, at the Wayback Machine
  5. "Pterophoridae aus Zentralasien und angrenzenden Territorien.- 4. Teil, mit der Beschreibung von Agdistis tigrovaja sp.n. (Lepidoptera)" (PDF). Lands Museum. Retrieved 20 August 2008.


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