Silky pipe beetle

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Silky pipe beetle
Silky reed beetle (Plateumaris sericea)

Silky reed beetle ( Plateumaris sericea )

Systematics
Order : Beetle (Coleoptera)
Subordination : Polyphaga
Family : Leaf beetles (Chrysomelidae)
Subfamily : Donaciinae
Genre : Plateumaris
Type : Silky pipe beetle
Scientific name
Plateumaris sericea
( Linnaeus , 1761)
Fig. 1: Color variants, on the side
Fig. 2: Color variants

The silky reed beetle ( Plateumaris sericea ) is a beetle from the family of leaf beetles (Chrysomelidae) and the subfamily of reed beetles (Donaciinae). The genus Plateumaris is represented in Europe with ten species .

The scientific genus name Plateumaris is from Altgr. πλατύς "platýs", "broad, flat" and ευμαρής "eumarēs", "easily movable" derived. The species name sericeus ( Latin ) means "silky".

Characteristics of the beetle

The beetle looks more like a longhorn beetle than a leaf beetle with its slim shape, narrow pronotum and long antennae . When it was first described by Linnaeus, it was also placed in the longhorn beetle genus Leptura . The beetle reaches a length of seven to eight millimeters. The coloring varies extremely. One can find gold-colored, red, green, blue, violet or ore-colored, occasionally black specimens directly associated with one another (Fig. 1). The different coloration is caused by interference on five layers of the epicuticle of different characteristic thickness. The underside is hairy golden yellow.

The head is not drawn into the pronotum up to the edge of the eyes, the mouthparts point downwards at an angle. The eleven-link antennae are thread-shaped, in the silky cane beetle a long basal segment is followed by a short second antennae segment. The third link is one and a half times as long and the fourth twice as long as the second.

The pronotum is slightly wider than the head and much narrower than the two elytra together. In the middle it is pressed in lengthways to the side there is a hump. The front corners protrude only a little. The pronotum is hairless. At the top it is sculpted very finely and evenly leather-like, noticeable horizontal wrinkles are missing. The curved part of the pronotum is divided by a deep transverse furrow that extends to the front hip.

The elytra are dotted with stripes . The wing cover seam is used to reliably distinguish the genus from the similar genus Donacia . With Plateumaris the upper edge of the wing cover seam is bent up in the rear area so that the lower edge is clearly visible and is almost at the same level as the upper edge. The tag is long and hairy.

The rails have a continuous bar on the outer edge and a shortened bar on the inner edge. The tip of the rail is only slightly enlarged, not in the shape of a funnel. Both sexes have a large, pointed tooth on the hind legs. The tarsi are four-limbed, the limbs slender and even and only slightly enlarged towards the end. The third tarsal link is lobed, the claw link not greatly elongated.

biology

The moisture-loving species mainly occurs on the banks of stagnant and slowly flowing water. It can also be found on bog meadows, and it is also salt-tolerant. The oligophageous adults can be found from April to July on the swamp sword lily and on various types of sedges as well as the rush edge . The larvae spin cocoons in the root system.

distribution

The Eurasian species is found in almost all of Europe and in parts of Asia as far as Japan . Within Europe, reports are only missing from Portugal , Bosnia and Herzegovina , Albania , Greece and European Turkey .

literature

  • Edmund Reitter : Fauna Germanica, the beetles of the German Empire. Volume 4, KG Lutz 'Verlag, Stuttgart 1912.
  • Heinz joy, Karl Wilhelm Harde, Gustav Adolf Lohse (ed.): The beetles of Central Europe . tape 9 . Cerambycidae Chrysomelidae . Spektrum Akademischer Verlag, Munich 1999, ISBN 3-8274-0683-8 (first edition: Goecke & Evers, Krefeld 1966).
  • Klaus Koch : The Beetles of Central Europe . Ed .: Heinz Freude . tape 3 : ecology . Goecke & Evers, Krefeld 1992, ISBN 3-87263-042-3 .
  • Gustav Jäger (Ed.): CG Calwer’s Käferbuch. 3. Edition. K. Thienemanns, Stuttgart 1876.

Individual evidence

  1. ↑ a b c Plateumaris sericea in Fauna Europaea. Retrieved September 15, 2012
  2. ↑ Plateumaris at Fauna Europaea. Retrieved September 15, 2012
  3. ↑ Sigmund Schenkling: Explanation of the scientific beetle names (genus)
  4. ↑ Sigmund Schenkling: Explanation of the scientific beetle names (species)
  5. ↑ Masashi Kurachi, Yasharu Takaku, Yoshiaki Komiya, Kakahiko Hariyama: The origin of extensice color polymorphism in Plateumaris sericea (Chrysomelidae, Coleoptera) Naturwissenschaften (2002) 89, pp. 295–298 doi : 10.1007 / s00114-002-0332-0
  6. ↑ Kakahiko Hariyama, Yasharu Takaku, Mantaro Hironaka et al .: The origin of the Iridescent Colors in Coleopteran Elytron Forma, 17, 123-132, (2002) as PDF
  7. ↑ Klaus Koch : The beetles of Central Europe . Ed .: Heinz Freude . tape 3 : ecology . Goecke & Evers, Krefeld 1992, ISBN 3-87263-042-3 .
  8. ↑ NJ Whitehouse, PG Langdon, R Bustin et al .: Fossil insects and ecosystem dynamics in wetland: implication for biodiversity and conservation Biodiversity and Conservation Vol. 17, N. 9 s055-2078 (2008) doi : 10.1007 / s10531-008- 9411-7

Web links

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