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A TRAP/SAMPLING UNIT FOR EAR-FEEDING BLACK FLIES

Published online by Cambridge University Press:  31 May 2012

E.T. Schmidtmann
E.T. Schmidtmann
Affiliation:
Livestock Insects Laboratory, AEQI, Agricultural Research Service, USDA, Beltsville, Maryland, USA20705
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Abstract

The construction of a simulated-ear-insect-trap (SEIT) for ear-feeding black flies is described. The SEIT, which consists of a styrofoam container with dry ice and a mock sticky ear mounted on a tripod, was developed to capture Simulium jenningsi Malloch and S. vittatum Zett., both widespread pests of livestock. SEIT units set on horse farms within 5 km north of the Potomac River in south-central Maryland, USA (n = 36 samples of 30 min each), consistently captured S. jenningsi and S. vittatum ( and 7.1 per sample, respectively), whereas units set simultaneously on farms > 5 km north of the river (n = 99 samples of 30 min each) captured progressively fewer individuals of both species.

Résumé

On décrit la fabrication d’un piège à mouches noires hématophages simulant l’oreille. Le piège consiste en un contenant de styrofoam avec de la glace sèche et une fausse oreille engluée, monté sur un trépied. Il est destiné à capturer Simulium jenningsi Malloch et S. vittatum Zett., toutes deux des ennemis répandus du bétail. Des unités installées chez des éleveurs de chevaux à moins de 5 km au nord de la rivière Potomac dans le centre sud du Maryland aux USA (n = 36 échantillons de 30 min chacun) ont capturé S. jenningsi et S. vittatum de façon constante (moyennes de 123,2 et 7,1 par échantillon), alors que des unités installées simultanément sur des fermes à > 5 km au nord de la rivière (n = 99 échantillons de 30 min) ont capturé progressivement moins d’individus des deux espèces.

Type
Articles
Information
The Canadian Entomologist , Volume 119 , Issue 7-8 , August 1987 , pp. 747 - 750
Copyright
Copyright © Entomological Society of Canada 1987

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