KLP+ (“hat”) trap with semiochemical lures suitable for trapping two Diabrotica spp. exotic to Europe

M. Tóth; P. Viana; E. Vilela; M. Domingue; T. Baker; J. Vuts

doi:10.1556/APhyt.49.2014.2.7

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Acta Phytopathologica et Entomologica Hungarica

Volume/Issue:: Volume 49: Issue 2

KLP+ (“hat”) trap with semiochemical lures suitable for trapping two Diabrotica spp. exotic to Europe

Authors:

M. Tóth

M. Tóth HAS Plant Protection Institute, CAR P. O. Box 102 H-1525 Budapest Hungary

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P. Viana

P. Viana EMBRAPA Sete Lagoas MG Rodovia, MG-424, Km 45 CEP 35701-970 Brazil

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E. Vilela

E. Vilela Universidade Federal de Vicosa Department of Entomology Vicosa MG 36570-000 Brazil

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M. Domingue

M. Domingue The Pennsylvania State University Department of Entomology University Park PA 16802 USA

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T. Baker

T. Baker The Pennsylvania State University Department of Entomology University Park PA 16802 USA

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J. Vuts

J. Vuts HAS Plant Protection Institute, CAR P. O. Box 102 H-1525 Budapest Hungary

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Pages:: 211–221

Online Publication Date:: 04 Dec 2014

Publication Date:: 01 Dec 2014

Article Category:: Journal Article

DOI:: https://doi.org/10.1556/APhyt.49.2014.2.7

Keywords:: Diabrotica speciosa; D. barberi; Euxesta eluta; semiochemical trapping; detection

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The KLP+ (“hat”) trap baited with pheromone or floral lures is a highly efficient non-sticky trap for the western corn rootworm, Diabrotica v. virgifera. We tested the suitability of this trap design for the related species, D. speciosa and D. barberi, baited with their respective lures. Both species are exotic to Europe: the former inhabits South America, and the latter occurs in some parts of North America.In screening tests performed in Brazil, several synthetic floral compounds and their combinations were found to be attractive to D. speciosa. However, the greatest effect was recorded for the previously described attractant 1,4-dimethoxybenzene. When the most active compounds in the preliminary test, 2-phenylethanol, methyl anthranilate, eugenol or benzaldehyde were added to 1,4-dimethoxybenzene, no synergistic effects were observed. When 1,4-dimethoxybenzene was formulated in three types of polyethylene (PE) dispensers in KLP+ traps, PE bag dispensers were superior to two types of PE vial dispenser, and caught hundreds of D. speciosa. Unbaited traps caught only negligible numbers. There was an interesting non-target effect. KLP+ traps with 1,4-dimethoxybenzene caught large numbers of the cornsilk fly, Euxesta eluta, which is known as a maize pest.For D. barberi, both a pheromone and a potent floral lure are already known. In tests with KLP+ traps, we found that the pheromone and floral lures can be applied together in the same trap to maximize both male and female catches.In conclusion, for early detection programs in Europe, the application of KLP+ traps baited with 1,4-dimethoxybenzene in PE bag dispensers could be recommended for D. speciosa, and KLP+ traps with dual (pheromone and floral) lures for D. barberi. In the case of D. barberi, one should note that the lures also show some attraction for D. v. virgifera, and the ratio of D. barberi vs. D. v. virgifera in the catch will be predominantly determined by the relative population densities at the given site.

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Acta Phytopathologica et Entomologica Hungarica

Print ISSN:: 0238-1249

Online ISSN:: 1588-2691

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Jenő KONTSCHÁN Centre for Agricultural Research, Hungary

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Ágnes TURÓCI Centre for Agricultural Research, Hungary

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K SALÁNKI Centre for Agricultural Research, Hungary

Editorial Board

Z BOZSÓ Centre for Agricultural Research, Hungary

PE CHETVERIKOV Saint-Petersburg State University, Russia

JX CUI Henan Institute of Science and Technology, China

J FODOR Centre for Agricultural Research, Hungary

Z IMREI Centre for Agricultural Research, Hungary

BM KAYDAN Çukurova University, Turkey

L KISS University of Southern Queensland, Australia

V MARKÓ Hungarian University of Agriculture and Life Sciences, Hungary

MW NEGM Ibaraki University, Japan

L PALKOVICS Széchenyi István University, Hungary

M POGÁNY Centre for Agricultural Research, Hungary

D RÉDEI National Chung Hsing University, Taiwan

A TOLSTIKOV University of Tyumen, Russia

J VUTS Rothamsted Research, UK

GQ WANG Guangxi University, China

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Acta Phytopathologica et Entomologica Hungarica
Language	English
Size	B5
Year of Foundation	1966
Volumes per Year	1
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Founder	Magyar Tudományos Akadémia
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