Article (Scientific journals)
Associative learning of Nasonia vitripennis Walker (Hymenoptera: Pteromalidae) to methyldisulfanylmethane
Frederickx, Christine; Verheggen, François; Brostaux, Yves et al.
2014In Journal of Forensic Sciences
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Keywords :
Forensic Science; Forensic Entomology; Conditioning; Parasitoid wasp; DMDS; biosensors
Abstract :
[en] Traditional methods of volatile detection used by police typically consist of reliance on canine olfaction. However, dogs have some limitations such as cost of training and time of conditioning. The possibility of using parasitic wasps for detecting explosives and narcotics has been developed. Moreover, wasps are cheap to produce and can be conditioned with impressive speed for a specific chemical-detection task. We examined the ability of Nasonia vitripennis Walker to learn and respond to methydisulfanylmethane (DMDS), a volatile discriminator of cadaver. The training aimed to form an association between an unconditioned stimulus (pupae) and the conditioned stimulus (odor source). After the training, the time spent of conditioned wasps in the DMDS chamber was measured. Statistical analysis showed that the increasing concentrations involved an increase in the time spent in the chamber containing DMDS. This study indicates that N. vitripennis can respond to DMDS, which provide further support for its development as a biological sensor.
Disciplines :
Entomology & pest control
Author, co-author :
Frederickx, Christine ;  Université de Liège - ULiège > Sciences agronomiques > Entomologie fonctionnelle et évolutive
Verheggen, François  ;  Université de Liège - ULiège > Sciences agronomiques > Entomologie fonctionnelle et évolutive
Brostaux, Yves  ;  Université de Liège - ULiège > Sciences agronomiques > Statistique, Inform. et Mathém. appliquée à la bioingénierie
Haubruge, Eric  ;  Université de Liège - ULiège > Services administratifs généraux > Vice-Recteur de Gembloux Agro Bio Tech
Language :
English
Title :
Associative learning of Nasonia vitripennis Walker (Hymenoptera: Pteromalidae) to methyldisulfanylmethane
Publication date :
2014
Journal title :
Journal of Forensic Sciences
ISSN :
0022-1198
eISSN :
1556-4029
Publisher :
ASTM International, Philadelphia, United States - Pennsylvania
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 11 April 2013

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