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21 November 2019

Paropsis atomaria (Eucalyptus tortoise beetle)

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Identity

Preferred Scientific Name
Paropsis atomaria Olivier, 1807
Preferred Common Name
Eucalyptus tortoise beetle
Other Scientific Names
Notoclea reticulata Marsham
Paropsis granulosa Boisduval
Paropsis reticulata Marsham
Paropsis sanguinipennis Germar

Pictures

P. atomaria adults.
Adults
P. atomaria adults.
Mark Schutze
Open in viewer
P. atomaria adult with dark pigmentation.
Adult
P. atomaria adult with dark pigmentation.
Amy Carmichael
Open in viewer
P. atomaria pupa.
Pupa
P. atomaria pupa.
Mark Schutze
Open in viewer
P. atomaria larvae.
Larvae
P. atomaria larvae.
Amy Carmichael
Open in viewer
Close-up of fourth-instar larvae of P. atomaria.
Larvae
Close-up of fourth-instar larvae of P. atomaria.
Amy Carmichael
Open in viewer
Egg batch of P. atomaria.
Egg batch
Egg batch of P. atomaria.
Mark Schutze
Open in viewer
Characteristic 'scalloping' leaf damage caused by P. atomaria adults.
Leaf damage
Characteristic 'scalloping' leaf damage caused by P. atomaria adults.
Mark Schutze
Open in viewer
Pest and Diseases Image Library, bugwood.org
Paropsis atomaria
Pest and Diseases Image Library, bugwood.org
Refer to Bugwood: http://www.bugwood.org/ImageUsage.html
Open in viewer
Pest and Diseases Image Library, bugwood.org
Paropsis atomaria
Pest and Diseases Image Library, bugwood.org
Refer to Bugwood: http://www.bugwood.org/ImageUsage.html
Open in viewer
Pest and Diseases Image Library, bugwood.org
Paropsis atomaria
Pest and Diseases Image Library, bugwood.org
Refer to Bugwood: http://www.bugwood.org/ImageUsage.html
Open in viewer

Distribution

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We currently have no distribution data points recorded.

Host Plants and Other Plants Affected

Symptoms

Larval aggregations may be seen on leaves of varying ages on affected trees. Young larvae, particularly first- and second-instars are usually located on the newest foliage, as they are incapable of consuming the tougher, older leaves. Aggregations may comprise individuals of varying instars. Heavy infestations are readily identifiable by the loss of foliage and high numbers of larvae and adults. Lower level infestations may be detected by the characteristic 'scalloping' of leaves caused by adult feeding, and/or the loss of young foliage in the growth areas of the tree caused by larval attack.Tree death occurs under heavy infestation, but the direct effect on the tree from heavy infestation is more likely to be a reduction in growth rate and wood quality. Tree death is more likely in younger trees, which are more susceptible to infestation.

List of Symptoms/Signs

Symptom or signLife stagesSign or diagnosis
Plants/Growing point/external feeding  
Plants/Growing point/external feeding  
Plants/Leaves/external feeding  
Plants/Leaves/external feeding  
Plants/Whole plant/external feeding  
Plants/Whole plant/external feeding  
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Prevention and Control

Biological Control

No biological control programmes have been developed for this pest species.

Host-Plant Resistance

Even though P. atomaria exists on multiple eucalypt species, certain eucalypts are more susceptible to attack than others. Where possible, less susceptible alternatives should be considered for forestry programmes. See Notes on Host Range for details.

Pheromonal Control

Little is known concerning pheromonal attractants in this species, so as a result no such means of control have been developed.

Chemical Control

Due to the variable regulations around (de-)registration of pesticides, we are for the moment not including any specific chemical control recommendations. For further information, we recommend you visit the following resources:
PAN pesticide database (www.pesticideinfo.org)
Your national pesticide guide

Impact

Because the intensive cultivation of eucalypts is a fairly recent forestry initiative, there exists little to no information on the precise economic impact that P. atomaria has on the industry.

Information & Authors

Information

Published In

History

Published online: 21 November 2019

Language

English

Authors

Metrics & Citations

Metrics

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SCITE_

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Citations

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Figures

P. atomaria adults.
Adults
P. atomaria adults.
Mark Schutze
P. atomaria adult with dark pigmentation.
Adult
P. atomaria adult with dark pigmentation.
Amy Carmichael
P. atomaria pupa.
Pupa
P. atomaria pupa.
Mark Schutze
P. atomaria larvae.
Larvae
P. atomaria larvae.
Amy Carmichael
Close-up of fourth-instar larvae of P. atomaria.
Larvae
Close-up of fourth-instar larvae of P. atomaria.
Amy Carmichael
Egg batch of P. atomaria.
Egg batch
Egg batch of P. atomaria.
Mark Schutze
Characteristic 'scalloping' leaf damage caused by P. atomaria adults.
Leaf damage
Characteristic 'scalloping' leaf damage caused by P. atomaria adults.
Mark Schutze
Pest and Diseases Image Library, bugwood.org
Paropsis atomaria
Pest and Diseases Image Library, bugwood.org
Refer to Bugwood: http://www.bugwood.org/ImageUsage.html
Pest and Diseases Image Library, bugwood.org
Paropsis atomaria
Pest and Diseases Image Library, bugwood.org
Refer to Bugwood: http://www.bugwood.org/ImageUsage.html
Pest and Diseases Image Library, bugwood.org
Paropsis atomaria
Pest and Diseases Image Library, bugwood.org
Refer to Bugwood: http://www.bugwood.org/ImageUsage.html

Tables

Table 1
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Table 2
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References

References

P. atomaria adults.View figure
Adults
P. atomaria adults.
Mark Schutze
P. atomaria adult with dark pigmentation.View figure
Adult
P. atomaria adult with dark pigmentation.
Amy Carmichael
P. atomaria pupa.View figure
Pupa
P. atomaria pupa.
Mark Schutze
P. atomaria larvae.View figure
Larvae
P. atomaria larvae.
Amy Carmichael
Close-up of fourth-instar larvae of P. atomaria.View figure
Larvae
Close-up of fourth-instar larvae of P. atomaria.
Amy Carmichael
Egg batch of P. atomaria.View figure
Egg batch
Egg batch of P. atomaria.
Mark Schutze
Characteristic 'scalloping' leaf damage caused by P. atomaria adults.View figure
Leaf damage
Characteristic 'scalloping' leaf damage caused by P. atomaria adults.
Mark Schutze
Pest and Diseases Image Library, bugwood.orgView figure
Paropsis atomaria
Pest and Diseases Image Library, bugwood.org
Refer to Bugwood: http://www.bugwood.org/ImageUsage.html
Pest and Diseases Image Library, bugwood.orgView figure
Paropsis atomaria
Pest and Diseases Image Library, bugwood.org
Refer to Bugwood: http://www.bugwood.org/ImageUsage.html
Pest and Diseases Image Library, bugwood.orgView figure
Paropsis atomaria
Pest and Diseases Image Library, bugwood.org
Refer to Bugwood: http://www.bugwood.org/ImageUsage.html
Table 1
No caption available.
Table 2
No caption available.
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