Role of herbivore-induced maize volatiles in the chemotactic behaviour of Telenomus podisi and Diceraeus melacanthus

A - Papers appearing in refereed journals

Nascimento, I. N., Michereff, M. F. F., Pereira, W. E., Villas-Boas, P. R., Gusmao, M. R., Caulfield, J. C., Laumann, R. A., Borges, M. and Blassioli-Moraes, M. C. 2023. Role of herbivore-induced maize volatiles in the chemotactic behaviour of Telenomus podisi and Diceraeus melacanthus. Entomologia Experimentalis et Applicata. 171 (3), pp. 196-205. https://doi.org/10.1111/eea.13274

AuthorsNascimento, I. N., Michereff, M. F. F., Pereira, W. E., Villas-Boas, P. R., Gusmao, M. R., Caulfield, J. C., Laumann, R. A., Borges, M. and Blassioli-Moraes, M. C.
Abstract

Plants respond indirectly to herbivore injury in a species-specific way and emit a specific blend of volatiles that are attractive to the enemies of herbivores. We evaluated whether maize plants, Zea mays L. (Poaceae), can recognize herbivory damage from a generalist stink bug, Diceraeus melacanthus Dallas (Hemiptera: Pentatomidae). This species is not a common pest in maize, but is currently found on maize crops in Brazil. We aimed to answer the following questions: (1) does D. melacanthus use maize plant volatiles for host location? (2) Do maize plant chemical volatile profiles change due to feeding by D. melacanthus? And (3) do herbivore-induced plant volatiles (HIPVs) emitted by maize plants play a role in the foraging behaviour of the generalist stink bug egg parasitoid Telenomus podisi Ashmead (Hymenoptera: Scelionidae)? The results show that females of D. melacanthus do not use constitutive volatiles or HIPVs as host location cues. However, feeding by D. melacanthus activates maize indirect defence, inducing emission of HIPVs and attracting the herbivore's enemy. Thus, strengthening indirect defence of plants can be a strategy to protect crops in the field by recruiting natural enemies through chemical information, as an additional approach to control D. melacanthus within an integrated pest management program.

KeywordsEgg parasitoid; Hemiptera; Herbivore recognition; HIPVs; Hymenoptera; Indirect defence; Maize pest; Natural enemy attraction; Pentatomidae; Scelionidae; Zea mays
Year of Publication2023
JournalEntomologia Experimentalis et Applicata
Journal citation171 (3), pp. 196-205
Digital Object Identifier (DOI)https://doi.org/10.1111/eea.13274
Open accessPublished as non-open access
FunderBiotechnology and Biological Sciences Research Council
Output statusPublished
Publication dates
Online18 Jan 2023
Publication process dates
Accepted17 Oct 2022
PublisherWiley
ISSN0013-8703

Permalink - https://repository.rothamsted.ac.uk/item/98x14/role-of-herbivore-induced-maize-volatiles-in-the-chemotactic-behaviour-of-telenomus-podisi-and-diceraeus-melacanthus

Restricted files

Publisher's version

Under embargo indefinitely

36 total views
1 total downloads
0 views this month
0 downloads this month