Evergestis merceti

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Evergestis merceti
Systematics
Class : Insects (Insecta)
Order : Butterflies (Lepidoptera)
Family : Crambidae
Subfamily : Glaphyriinae
Genre : Evergestis
Type : Evergestis merceti
Scientific name
Evergestis merceti
Agenjo , 1933

Evergestis merceti is a butterfly from the family of Crambiden ( Crambidae ).

features

The moths reach a wingspan of 29 to 31 millimeters. The front wings have a basic white color and are drawn in ocher. The drawing consists of three narrow, very oblique, white, undulating transverse lines, of which the inner and outer transverse lines have a brownish border on the outside and inside. The discal spot is brownish and clearly visible. The outer edge of the wing is provided with ocher brown moon spots. The fringed scales are white and piebald, with the ocher drawing elements having a dark base. The hind wings are white and have a pale outer transverse line and a clearer, broken outline. The fringed scales are white and pied pale ocher. The underside of the forewing is coated in ocher. The transverse lines and a dark discal spot are hinted at. The fringed scales are clearly piebald. The hind wing underside is paler.

The uncus tapers in the males . He is very sparsely haired. The tapered gnathos is trough-shaped and has a row of 14 short teeth. The blades are almost parallel-walled and have obliquely rounded tips. The clasper consists of a few inconspicuous hairs. The distal part of the aedeagus is 2.5 times as wide as at the base and has two short cornuti groups and paired, brush-like cushions.

In females, the corpus bursae is irregularly pear-shaped and tapers to the base of the ductus bursae . The Signa are small. The ductus bursae gradually tapers and is fibrous in front of the weakly sclerotized colliculum .

distribution

Evergestis merceti is endemic to Spain (Montarco) .

biology

The pre-imaginal stages (egg, caterpillar, pupa) are unknown. The food plants of the caterpillars probably belong to the genus Biscutella (eyeglass pods). The species is found in moist, open slopes. The moths fly from September to October. They can be easily startled during the day and come to light .

supporting documents

  1. ↑ a b c d e Barry Goater, Matthias Nuss, Wolfgang Speidel: Pyraloidea I (Crambidae, Acentropinae, Evergestinae, Heliothelinae, Schoenobiinae, Scopariinae) . In: P. Huemer, O. Karsholt, L. Lyneborg (eds.): Microlepidoptera of Europe . 1st edition. tape 4 . Apollo Books, Stenstrup 2005, ISBN 87-88757-33-1 , pp. 77 (English).
  2. ↑ Patrice Leraut: Zygaenids, Pyralids 1 . In: Moths of Europe . 1st edition. Volume III. NAP Editions, 2012, ISBN 978-2-913688-15-5 , pp. 188 (English).

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