Pezothrips kellyanus (Thysanoptera: Thripidae) Nymphs on Orange Fruit: Importance of the Second Generation for Its Management

  title={Pezothrips kellyanus (Thysanoptera: Thripidae) Nymphs on Orange Fruit: Importance of the Second Generation for Its Management},
  author={Laura Ballester Planes and Josette Catalan and Josep A. Jaques and Alberto Urbaneja and Alejandro Tena},
Abstract Kelly's citrus thrips Pezothrips kellyanus (Bagnall) (Thysanoptera: Thripidae) is a new pest of oranges in New Zealand, southern Australia, and the Mediterranean Basin. The nymphs of this thrips can damage the fruit from petal fall up to 6 wk later. Because there is a lack of information on its management, the aims of this study were to determine the number of generations occurring on the fruit and the efficacy of 3 insecticides (chlorpyrifos, spinosad, and spirotetramat) to control… Expand
Thrips (Thysanoptera: Thripidae) in northern Tunisian citrus orchards: population density, damage and insecticide trial for sustainable pest management
All tested insecticides were effective in decreasing F. occidentalis population density on Navel orange trees, with both biopesticides spinosad and terpenoid being the most effective one day after treatment, while the chemical insecticide acrinathrin proved to be the mosteffective 7, 17 and 21 days after treatment. Expand
Augmentative releases of the soil predatory mite Gaeolaelaps aculeifer reduce fruit damage caused by an invasive thrips in Mediterranean citrus.
Augmentative releases of G. aculeifer have the potential to reduce fruit damage caused by P. kellyanus in citrus, and sawdust + bran mulch was the most effective in preserving immature and adult predatory mite population after their release. Expand
Native and naturalized mealybug parasitoids fail to control the new citrus mealybug pest Delottococcus aberiae
None of the five parasitoids were able to successfully develop on D. aberiae, a species of mealybug that causes the deformation of fruit, is a new invasive citrus pest in Spain, and should be prospecting for parasitoid of younger instars, on which encapsulation is less common than older instars. Expand
Pest status of the Hawaiian flower thrips, Thrips hawaiiensis (Morgan) (Thysanoptera: Thripidae) in lemons in the Mediterranean region of Turkey
The seasonal trend, damages in lemon fruit and potential alternative host plants were studied in three lemon orchards from 2018 to 2019, and the critical period to control T. hawaiiensis was determined as 3–5 weeks after petal fall. Expand
Aggregation Patterns, Sampling Plan, and Economic Injury Levels for the New Citrus Pest Delottococcus aberiae (Hemiptera: Pseudococcidae)
This study determined the aggregation patterns of D. aberiae in citrus, develop an efficient sampling plan to assess its population density, and calculate its Economic and Economic Environmental Injury Levels (EIL and EEIL, respectively). Expand
Thrips fauna in citrus orchard in Tunisia: an up-to-date
Thrips species that damage citrus are very little known in Tunisia. As a first step to establish an IPM strategy against thrips in citrus orchards, an inventory of species was carried out from NavelExpand


Chemical control of Pezothrips kellyanus (Thysanoptera: Thripidae) in citrus plantations in Cyprus
Kelly's citrus thrips (KCT) Pezothrips kellyanus (Bagnall) was first recorded in Cyprus in 1996 and has became an economic citrus pest and various insecticides were evaluated in field trials against larval stages I and II. Expand
Studies on Kelly's citrus thrips, Pezothrips kellyanus (Bagnall) (Thysanoptera: Thripidae): sex attractants, host associations and country of origin
Field observations indicate that males aggregate and that females approach such aggregations for mating, and morphological evidence continues to suggest retention of the species in the northern hemisphere genus Pezothrips Karny, and thus the country of origin of the pest remains in doubt. Expand
Ecology and Behavior of Pezothrips kellyanus (Thysanoptera: Thripidae) on Citrus
  • V. Vassiliou
  • Biology, Medicine
  • Journal of economic entomology
  • 2010
Kelly's citrus thrips (KCT) adults prefer to concentrate mostly in the northern and eastern sides of both lemon and grapefruit canopies, and larvae were found only on lemon, grapefruit, Jasmine spp. Expand
Thrips (thysanoptera: Terebrantia) on flowers and fruit of citrus in New Zealand
Thrips collected from flowers, immature and mature fruit from commercial citrus orchards mainly in the Northland region of New Zealand and c. Expand
Aggregation pattern, sampling plan, and intervention threshold for Pezothrips kellyanus in citrus groves
The results prove that thrips show clumped population distributions, with no differences in aggregation parameters between flowers and fruitlets, thrips species, larval stages, or sex of adults. Expand
Factors influencing citrus fruit scarring caused by Pezothrips kellyanus
Kelly’s citrus thrips (KCT) Pezothrips kellyanus (Bagnall) (Thysanoptera: Thripidae) is a recently recorded cosmopolitan citrus pest, causing fruit scarring that results in downgrading of fruit. DueExpand
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The parasitoid complex of black scale Saissetia oleae (Olivier) (Hemiptera: Coccidae) was studied on citrus and olives to determine their relative abundance, seasonal trend, geographical distribution, and their incidence on black scale populations, and according to their abundance, distribution and incidence, M. flavus and S. caerulea appeared as the main parasitoids of black Scale in eastern Spain. Expand
Effect of Diet on Development and Reproduction of Pezothrips kellyanus (Thysanoptera: Thripidae)
P. kellyanus larvae were unable to grow on lemon leaves as well as when honey was supplied to the leaves, and adult females were slightly able to reproduce, but pollen and honey supplements fed to adults double and triple adult longevity, respectively. Expand
Citrus Thrips (Thysanoptera: Thripidae) Resistance Monitoring in California
Tolerance of adult female citrus thrips, Scirtothrips citri (Moulton), to chlorfenapyr, cyfluthrin, and spinosad was monitored at 10 sites in California in 1996 and strategies for slowing further escalation of pyrethroid resistance are discussed. Expand
Soil-dwelling predatory mites in citrus: Their potential as natural enemies of thrips with special reference to Pezothrips kellyanus (Thysanoptera: Thripidae)
The predatory mite fauna in the soil of citrus orchards in Valencia (Spain) was examined in order to evaluate their potential as natural enemies of thrips pests and especially of Pezothrips kellyanus (Bagnall) (Thysanoptera: Thripidae). Expand