A method for selective hornet Vespa Velutina baited traps using a compressed air cannon
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Inclou dades d'ús des de 2022
Cita com:
hdl:2117/133642
Tipus de documentReport de recerca
Data publicació2019-05-28
Condicions d'accésAccés obert
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industrial corresponents. Sense perjudici de les exempcions legals existents, queda prohibida la seva
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Abstract
The efficiency and selectiveness of baited traps to control the invasive hornet Vespa velutina has
been often questioned. Recent studies show that capture of Vespa velutina accounted for less than
1% of all captures, reflecting the extremely low selectiveness of the method. Here, a novel technique
for selective capture of Vespa velutina in baited traps is outlined. The concept is based on the use
of a compressed cannon air driven by an air-cartridge. In this technique, when the insect, attracted
by the bit, is crossing the front of the air canon, a prompt signal is triggered and then the insect
receives an instantaneous air-shot. The air shot will propel the insect away from the cannon in a
quasi-rectilinear trajectory. By a proper design of a cavity located in front the cannon it is possible
to allow that bees and other insects of similar size can pass through the cavity but at the same
time blocking the pass of the bigger Vespa velutina which after bouncing against the surrounding
walls will fall into the bait. Utilizing a simplified physical and geometrical model, preliminary
calculations for the air cannon- cavity system were derived. Additional R&D is required in order
to arrive at a reliable practical and safe design.
CitacióArias, F.J.; De Las Heras, S.A. "A method for selective hornet Vespa Velutina baited traps using a compressed air cannon". 2019.
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