Evergestis aenealis

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Evergestis aenealis
Evergestis aenealis (28540578610) .jpg

Evergestis aenealis

Systematics
Class : Insects (Insecta)
Order : Butterflies (Lepidoptera)
Family : Crambidae
Subfamily : Glaphyriinae
Genre : Evergestis
Type : Evergestis aenealis
Scientific name
Evergestis aenealis
( Denis & Schiffermüller , 1775)

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

features

The moths reach a wingspan of 24 to 26 millimeters. The vertex and the neck collar are colored bright orange. The rest of the head, thorax, and abdomen are pale earth-brown. The wings are quite broad and dark coffee brown. The drawing consists only of a small, dark discal spot on the forewings. The fringed scales are somewhat paler than the basic color of the wings, and an indistinct dark line runs near the base of the scales. The undersides of the wings are colored in the same way as the tops, but they are a little more shiny. The females are more compact and darker than the males. The subspecies Evergestis aenealis dimorphalis , which occurs in northern Iran, is slightly larger than the nominotypic taxon. It shows a pronounced sexual dimorphism . The males are much paler and grayer, the yellowish brown tint is weaker and in some specimens it is no longer present. The females are almost black. In the subspecies Evergestis aenealis obscura , which also occurs in Iran , the males have wider dark gray fore and hind wings. These are just as dark as those of the females found in Central Europe , but have no brownish tint.

In the males, the apex des uncus is provided with a group of long, hook-shaped bristles. The gnathos is strongly curved and a number of powerful teeth extend over most of the shaft. The blades are parallel-walled and rounded at the tip. The clamp organ (clasper) consists of a delicate, non- sclerotized groin and adjacent rigid, hair-shaped bristles. On the distal part of the phallus there are two groups of long cornuti.

In females, the corpus bursae is broadly ovate and significantly wider than the base of the ductus bursae . The ductus bursae is very broad and tapers slightly. In front of the colliculum, it is reinforced with sclerotized fibrous ligaments.

Similar species

Evergestis mundalis and Evergestis subfuscalis have a similar appearance . E. aenealis differs from the species mentioned by the orange vertex. This is colored in the same way as the rest of the head in the two similar species. In Evergestis mundalis , the fairly clearly developed middle transverse line on the forewings is surrounded by a somewhat darker inner and outer transverse line. The hind wings are a little paler here. Evergestis subfuscalis has slightly narrower wings, is paler and shinier. The dark line running through the fringed scales is missing.

distribution

Evergestis aenealis is widespread in Europe with the exception of the British Isles and Ireland . The species was also found in Iran .

biology

The caterpillars develop on cruciferous vegetables ; but they are rarely observed. The caterpillars live from May to June. There is probably a second generation in autumn that overwinters and pupates in spring. The moths fly in two generations from May to August.

Systematics

The following synonyms are known from the literature :

  • Pyralis aenealis [Denis & Schiffermüller] , 1775
  • Pyralis furvalis Huebner , 1796
  • Pyralis rufimitralis Huebner , 1796
  • Homochroa mitralis Huebner , 1825
  • Evergestis aenealis . obscurialis Verity , 1905

The following subspecies are known:

  • Evergestis aenealis aenealis ( Denis & Schiffermüller , 1775)
  • Evergestis aenealis dimorphalis Osthelder , 1938
  • Evergestis aenealis obscura Toll , 1948

supporting documents

  1. ↑ a b c d e f g h 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. 96 (English).
  2. ↑ a b Evergestis aenealis at Fauna Europaea. Retrieved January 28, 2014
  3. ↑ Global Information System on Pyraloidea (GlobIZ). Retrieved January 28, 2014 .

Web links