Synanthedon culiciformis
Little Birch Clearwing ( Synanthedon culiciformis )
The Little Birch Clearwing ( Synanthedon culiciformis ) is a butterfly of the family of the Clearwing ( Sesiidae ).
- 7.1 Notes and references
- 7.2 Literature
Features
The moths reach a wingspan of 18-26 millimeters. The sensors are solid black, the wings transparent, whose wing veins, the center spot and the edges are black. The Saumfeld the forewing is much narrower than the subsequent glass box. The abdomen is dark with a scaly red belt on the fourth segment and black tufts anus. The following subspecies occur:
- F biannulata, with two red belts on the 2nd and 4th segment
- F triannulata, with three red belts on the 2nd, 4th and 5th segment
- F flavocingulata, all else red-colored parts are yellow
The caterpillars are white gray yellow or white, with a yellow-brown neck shield and light brown head. The doll is yellow ocher.
Similar Species
- Little Willow Clearwing ( Synanthedon formicaeformis )
- Faulbaum - Clearwing ( Synanthedon stomoxiformis )
Occurrence
The species is found throughout Europe, except Spain and Ireland. In the East, its range extends through Russia and Asia Minor to China. The animals live in diverse areas such as in birch bogs, birch forests, heath and parkland.
Way of life
The diurnal moths are difficult to detect because of their small size, but they are found in the nectar of the flowers of eyes
- Faulbaum
- Lilac
- Privet
- Dandelion
- Thyme
They can be used as bait to attract with pheromone traps.
Flight times and caterpillars
The moths fly from late May to late July and are therefore beside the alder clearwings the first clearwings type of spring. The caterpillars are found from August to April of next year.
Food of the caterpillars
The caterpillars feed preferentially from the wood of birch, alder or plums.
Development
The females lay eggs mainly to damaged or diseased parts of the tree. The development is subject to climatic conditions one to three- year, in Germany mostly annual. In the case of a two-year development of the hatched caterpillars feed in the first year on the border between healthy and dead wood. In the second year they lay about ten millimeters long corridors and spin in the autumn of wood chips a solid cocoon in which they still overwinter as a caterpillar. Pupation follows in the following spring.
Synonyms
- Sesia culiciformis
- Sphinx culicifornis