Perconia strigillaria

Perconia strigillaria, the grass wave, is a moth of the family Geometridae. The species was first described by Jacob Hübner in 1787. It can be found in Europe, east to the Urals, Asia Minor and China's Tarbagatai Mountains.

Perconia strigillaria
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Geometridae
Genus:
Perconia
Species:
P. strigillaria
Binomial name
Perconia strigillaria
(Hübner, 1787)

The wingspan is 36–41 mm. The forewing ground colour is white with fuscous irroration. The crosslines are wide The antennae are comb like. "White, with fuscous irroration; all the lines present, usually also a subterminal dark line. Median line (or shade) variable in position and thickness. - ab. herpeticaria Rbr. Antemedian and median lines of wing thick and closely approximated, sometimes confluent into a band. - grisearia Stgr. is a greyer form the white ground-colour nearly suppressed. Frequent in N. Europe, but not very sharply separable from the name-type. Most British examples are intermediate. - cretaria Ev. is a clearer white, weakly marked form from S. E. Russia, sometimes quite markingless."[1]

The moths fly from June to July depending on the location.

The larvae feed on Cytisus scoparius and Calluna, Erica and Ulex species.

References
  1. Prout, L. B. 1912–16. Geometridae. In A. Seitz (ed.) The Macrolepidoptera of the World. The Palaearctic Geometridae, 4. 479 pp. Alfred Kernen, Stuttgart.


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