Oviposition and predation of Pentilia egena mulsant (Coleoptera: Coccinellidae) in response to temperature

The species Pentilia egena Mulsant is an important predator of armored scales that occur in citrus orchards in Brazil. To intensify this biological control, knowing bioecological aspects in necessary for the improvement of massal insect rearing. This research investigated the influence of temperatur...

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Main Authors: Julio César Guerreiro, Antonio Carlos Busoli, Evoneo Berti Filho
Format: Article
Language:English
Published: Universidade de São Paulo 2003-01-01
Series:Scientia Agricola
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162003000300026&tlng=en
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author Julio César Guerreiro
Antonio Carlos Busoli
Evoneo Berti Filho
author_facet Julio César Guerreiro
Antonio Carlos Busoli
Evoneo Berti Filho
author_sort Julio César Guerreiro
collection DOAJ
description The species Pentilia egena Mulsant is an important predator of armored scales that occur in citrus orchards in Brazil. To intensify this biological control, knowing bioecological aspects in necessary for the improvement of massal insect rearing. This research investigated the influence of temperature (19ºC, 24ºC and 29ºC) on the number of eggs laid by P. egena and the number of Aspidiotus nerii Bouché scales preyed by this coccinellid. The highest number of eggs laid and of scales preyed, 5.1 ± 0.59 and 11.3 ± 0.19, respectively, occurred at 29ºC. However, egg viability (52.86%) was reduced at this temperature, and was lower than those at 19ºC and 24ºC (78.10% and 74.07%, respectively). Temperature did not affect the ladybeetle oviposition behavior as the eggs were laid under the scale of preyed A. nerii.
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spelling doaj.art-40d299c41b954efba590053fc8c331332022-12-21T21:23:36ZengUniversidade de São PauloScientia Agricola1678-992X2003-01-01603587589Oviposition and predation of Pentilia egena mulsant (Coleoptera: Coccinellidae) in response to temperatureJulio César Guerreiro0Antonio Carlos Busoli1Evoneo Berti Filho2USPUNESPUSPThe species Pentilia egena Mulsant is an important predator of armored scales that occur in citrus orchards in Brazil. To intensify this biological control, knowing bioecological aspects in necessary for the improvement of massal insect rearing. This research investigated the influence of temperature (19ºC, 24ºC and 29ºC) on the number of eggs laid by P. egena and the number of Aspidiotus nerii Bouché scales preyed by this coccinellid. The highest number of eggs laid and of scales preyed, 5.1 ± 0.59 and 11.3 ± 0.19, respectively, occurred at 29ºC. However, egg viability (52.86%) was reduced at this temperature, and was lower than those at 19ºC and 24ºC (78.10% and 74.07%, respectively). Temperature did not affect the ladybeetle oviposition behavior as the eggs were laid under the scale of preyed A. nerii.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162003000300026&tlng=enDiaspididaepredatorladybeetlenatural enemies
spellingShingle Julio César Guerreiro
Antonio Carlos Busoli
Evoneo Berti Filho
Oviposition and predation of Pentilia egena mulsant (Coleoptera: Coccinellidae) in response to temperature
Scientia Agricola
Diaspididae
predator
ladybeetle
natural enemies
title Oviposition and predation of Pentilia egena mulsant (Coleoptera: Coccinellidae) in response to temperature
title_full Oviposition and predation of Pentilia egena mulsant (Coleoptera: Coccinellidae) in response to temperature
title_fullStr Oviposition and predation of Pentilia egena mulsant (Coleoptera: Coccinellidae) in response to temperature
title_full_unstemmed Oviposition and predation of Pentilia egena mulsant (Coleoptera: Coccinellidae) in response to temperature
title_short Oviposition and predation of Pentilia egena mulsant (Coleoptera: Coccinellidae) in response to temperature
title_sort oviposition and predation of pentilia egena mulsant coleoptera coccinellidae in response to temperature
topic Diaspididae
predator
ladybeetle
natural enemies
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162003000300026&tlng=en
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