Small poplar glass-winged bird
Small poplar glass-winged bird | ||||||||||||
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Small poplar glass-winged wing ( Paranthrene tabaniformis ) |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Paranthrene tabaniformis | ||||||||||||
( Rottemburg , 1775) |
The small poplar glass-winged butterfly ( Paranthrene tabaniformis ) is a butterfly from the glass-winged family . The species is also known as a horsefly swarm .
features
The moths reach a wingspan of 25 to 32 millimeters. Like the hornet hawk, this species imitates defensive insects. This behavior indirectly protects it. One speaks of mimicry . In contrast to most members of his family, the forewings are not transparent, but gray in color. You can recognize this species by the four yellow rings on the otherwise deep blue colored body. Like the brakes , it usually flies in the warm hours of midday.
Subspecies
- Paranthrene tabaniformis synagriformis
- Paranthrene tabaniformis tabaniformis
distribution
The species is widespread in Europe (to southern Fennoscandia ), North Africa, Asia and North America ( USA , southern Canada ). In the vertical distribution, the small poplar glass winged can be found at heights between 100 and 200 meters. In the foothills of the Alps it rises up to 600 meters and in the Black Forest ( Titisee ) it reaches the currently known upper limit. However, this species is difficult to discover, so the exact distribution area is not known.
Habitat
You can find the small poplar glass winged in floodplains, stream valleys, poplar plantations and parks with water.
Way of life
behavior
The adult animals are found from late May to early June and the caterpillars from August to May. Mine the caterpillars, d. That is, they drill into the wood or strong roots of a tree close to the ground in order to live there for at least two years. Often, longhorn beetle holes are simply enlarged for this purpose . After several years, the caterpillars pupate just below the eroded cavity. The food plants of the caterpillars include:
- Trembling poplar ( Populus tremula )
- Silver poplar ( Populus alba )
- Black poplar ( Populus cf. nigra )
- Sea buckthorn ( Hippophae rhamnoides )
- Sal willow ( Salix caprea )
- White willow ( Salix alba )
- Ear willow ( Salix aurita )
- Gray willow ( Salix cinera )
Flight times
One generation of the small poplar glass winged flies from mid-May to early August ( Baden-Württemberg ).
swell
Individual evidence
- ↑ a b Paranthrene tabaniformis synagriformis (Rambur 1866). Fauna Europaea, Version 1.3, April 19, 2007 , accessed December 24, 2007 .
- ^ A b Günter Ebert: The Butterflies of Baden-Württemberg Volume 5, Moths III (Sesiidae, Arctiidae, Noctuidae). Ulmer Verlag Stuttgart 1997, ISBN 3-8001-3481-0
literature
- Manfred Koch : We determine butterflies. Volume 2: Bears, Spinners, Swarmers and Drills in Germany. 2nd, expanded edition. Neumann, Radebeul / Berlin 1964, DNB 452481929 .