Syrphus balteatus (Syrphidae) - Eiablageverhalten

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Formal Metadata

Title
Syrphus balteatus (Syrphidae) - Eiablageverhalten
Alternative Title
Syrphus balteatus (Syrphidae) - Egg-Laying Behaviour
Author
License
CC Attribution - NonCommercial - NoDerivatives 3.0 Germany:
You are free to use, copy, distribute and transmit the work or content in unchanged form for any legal and non-commercial purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
Identifiers
IWF Signature
E 2935
Publisher
Release Date
1986
Language
Silent film
Producer
IWF (Göttingen)
Production Year
1985

Technical Metadata

IWF Technical Data
Film, 16 mm, 64 m ; F, 6 min

Content Metadata

Subject Area
Abstract
Weibchen der Schwebfliege suchen Blattlauskolonien zur Eiablage auf. Nach optischer und olfaktorischer Orientierung während des Freifluges erfolgen das Betasten der Läuse mit den Beinen und das Betupfen mit dem Rüssel. Mit der Legeröhre werden Freiräume zwischen den Läusen ertastet und die Eier dort abgelegt. 25 B/s, 50 B/s, 100 B/s.
Syrphus balteatus females which are ready to oviposit manoeuvre between bean plants (Vicia), which are densely infested with black bean lice (Aphis fabae). Rotations of up to 360 degrees made in whirring flight serve as visual orientation and the whirring flights underneath the colonies of plant-lice serve as olfactory orientation. The stream of scent from the plant-lice is drawn in. The following egg-laying behaviour is demonstrated with a number of examples.
Keywords Ackerbohne Laus / Bohnenlaus Blattlaus Schwarze Bohnenlaus Fliege / Schwebfliege Schwebfliege Vicia faba Aphis fabae Syrphus balteatus Flug / Insecta Eiablage / Diptera Schädlingsbekämpfung / biologische biologische Schädlingsbekämpfung biological pest control pest control / biological egg-laying / Diptera flight / Insecta Syrphus balteatus Aphis fabae Vicia faba hover fly black bean aphid aphid broad bean Encyclopaedia Cinematographica

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