Modification of host finding and oviposition behaviour of the citrus leafminer, Phyllocnistis citrella, by horticultural mineral oil

Horticultural mineral oil (HMO) deposits affect postlanding searching behaviour and contact evaluation of oviposition substrates by females of the citrus leafminer, Phyllocnistis citrella Stainton (Lepidoptera: Gracillariidae). Both unsprayed and sprayed lemon trees were equally capable of arresting...

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Bibliographic Details
Published in:Entomologia experimentalis et applicata 2006-12, Vol.121 (3), p.243-251
Main Authors: Liu, Z.M, Meats, A, Beattie, G.A.C
Format: Article
Language:English
Subjects:
acceptance
attractant
behavior change
behaviour modification
Biological and medical sciences
Citrus
Citrus limon
Control
epicuticular leaf wax
foraging
Fundamental and applied biological sciences. Psychology
Gracillariidae
HMO
horticultural oils
host plants
host seeking
leafminers
lemons
Lepidoptera
oviposition
oviposition behavior
Phyllocnistis citrella
Physical control
Phytopathology. Animal pests. Plant and forest protection
Protozoa. Invertebrates
PSO
repellent
searching behavior
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Summary:Horticultural mineral oil (HMO) deposits affect postlanding searching behaviour and contact evaluation of oviposition substrates by females of the citrus leafminer, Phyllocnistis citrella Stainton (Lepidoptera: Gracillariidae). Both unsprayed and sprayed lemon trees were equally capable of arresting randomly moving female moths by eliciting kinetic responses. The presence of HMO deposits did not affect the approach of female moths to flushes (shoots with immature leaves suitable as oviposition sites), and female moths were equally likely to land on sprayed and unsprayed immature flushes provided mature leaves were not sprayed. The presence of HMO on both the mature leaves and the flushes caused shorter residence and search times within trees and also resulted in fewer immature leaves visited. The HMO-sprayed flushes were also more likely to be rejected for oviposition after contact. Nevertheless, eggs were sometimes deposited on sprayed flushes between residues of the oil droplets.
ISSN:0013-8703
1570-7458
DOI:10.1111/j.1570-8703.2006.00486.x