Pest Control: from Chemical Ecology to Evolution. A Hungarian Perspective

T. Jermy; Á. Szentesi; M. Tóth; G. Szôcs

doi:10.1556/aphyt.41.2006.1-2.12

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Acta Phytopathologica et Entomologica Hungarica

Volume/Issue:: Volume 41: Issue 1-2

Pest Control: from Chemical Ecology to Evolution. A Hungarian Perspective

Authors:

T. Jermy

T. Jermy Plant Protection Institute, Hungarian Academy of Sciences, H-1525 Budapest, P.O. Box 102, Hungary

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Á. Szentesi

Á. Szentesi Plant Protection Institute, Hungarian Academy of Sciences, H-1525 Budapest, P.O. Box 102, Hungary

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M. Tóth

M. Tóth Plant Protection Institute, Hungarian Academy of Sciences, H-1525 Budapest, P.O. Box 102, Hungary

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, and

G. Szôcs

G. Szôcs Plant Protection Institute, Hungarian Academy of Sciences, H-1525 Budapest, P.O. Box 102, Hungary

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Pages:: 121–135

Online Publication Date:: 17 May 2006

Publication Date:: 01 Mar 2006

Article Category:: Journal Article

DOI:: https://doi.org/10.1556/aphyt.41.2006.1-2.12

Keywords:: chemotaxonomy; Lepidoptera; Coleoptera; oligophagy; antifeedants; seed predators; sequential evolution; pheromone identification; intraspecific geographic variations; reproductive isolation

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From 1880, the year of funding the National Phylloxera Research Station, the predecessor of the present Department of Zoology of the Plant Protection Institute, the main thrust of entomological research was towards solving practical problems in agriculture, which mission governs our recent activity and guides our plans for the future. Our studies on the behaviour of herbivorous insects have shown that oligophagy is mainly due to the sensitivity of the insects' chemosensory system to deterrent chemicals occurring in the non-host plants. This enables the use of antifeedants in pest control. In field experiments the insects found their hosts largely by chance, which has implications for crop rotation. The ability of learning in some herbivorous insect species has been demonstrated. It may result in induced preference for some otherwise avoided plants. Ecological studies indicated that predispersal seed predators do not necessarily affect plant population dynamics and that there is no interspecific competition among them. Studying the presumable processes that drive the evolution of insect-plant associations resulted in elaborating the theory of sequential evolution instead of the theory of coevolution. In course of 30 year studies, female-produced sex pheromones were evidenced in behavioural studies, isolated, and chemically identified in cooperations with organic chemical laboratories, for a few dozens of lepidopterous species. Related sex attractants were established by means of field trappings for further dozens of species. Based on these results, the role of sex pheromones in maintaining reproductive isolation between taxonomically closely related, sympatric species, as well as the chemotaxonomical value of sex attractants in higher taxa of Lepidoptera are discussed. As a result of our studies on Elateridae (Coleoptera) we developed and optimized pheromone baits and traps for catching males of all important pest Agriotes click beetles in Central and Western Europe. The most effective pheromone combinations for each species were tested in a Europe-wide comparative effort, giving information on the probable importance of the respective species in the respective area. In Scarabaeidae (Coleoptera) we discovered sex attractants for 3 species of the genus Anomala, and floral attractants for 4 species of the subfamily Cetoniinae, all orchard pests damaging fruits or flowers. Traps were developed for these scarabs taking into consideration the optimal visual and chemical cues for each respective species. The trap and bait combinations show preliminary evidence that their use for direct control through mass trapping is possible. Among chrysomelid beetles, new trap types were developed for the western corn rootworm Diabrotica v. virgifera. These trap types are widely used in Europe for the detection and monitoring of the pest. Most recent results concern the relationships between host-plant related and pheromonal communication in flea beetles (Phyllotreta spp.).

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Acta Phytopathologica et Entomologica Hungarica

Print ISSN:: 0238-1249

Online ISSN:: 1588-2691

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Editor-in-Chief

Jenő KONTSCHÁN Centre for Agricultural Research, Hungary

Technical Editor

Ágnes TURÓCI Centre for Agricultural Research, Hungary

Section Editor

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
Issues per Year	2
Founder	Magyar Tudományos Akadémia
Founder's Address	H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher	Akadémiai Kiadó
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0238-1249 (Print)
ISSN	1588-2691 (Online)