Parasitoids of the Citrus Leafminer, Phyllocnistis citrella Stainton (Lepidoptera: Phyllocnistidae) in Thailand.

Ujiye, Takeshi; Morakote, Rut

doi:10.1303/jjaez.36.253

Cited by 8 publications

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“…One of these species was Quadrastichus citrella Reina and LaSalle (Hymenoptera: Eulophidae), an idiobiont solitary larval ectoparasitoid of P. citrella (Reina and La Salle, 2004). Both Q. citrella and P. citrella are indigenous to southeastern Asia: Q. citrella has been found in Japan, Taiwan and Thailand (Ujiye and Adachi, 1995;Ujiye et al, 1996). Quadrastichus citrella was described by Schauff et al (1998), and given a complete scientific name recently (Reina and La Salle, 2004).…”

Section: Introductionmentioning

confidence: 99%

Temperature Requirements may Explain why the Introduced Parasitoid Quadrastichus citrella Failed to Control Phyllocnistis citrella in Spain

et al. 2006

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Quadrastichus citrella Reina and La Salle (Hymenoptera: Eulophidae) is a parasitoid of Phyllocnistis citrella Stainton (Lepidoptera: Gracillariidae), indigenous to South Eastern Asia where it is considered a key natural enemy of this pest. It was introduced in Spain in a classical biological control program and became established, but was not as successful as forecast. To check whether its biology could explain this lack of control, development and reproduction at different temperatures were studied. Quadrastichus citrella can survive at temperatures between 15 and 35°C. Lower development threshold was 12.3°C, which resulted in a thermal constant of 138.06 DD. The combination of development and reproduction into demographic parameters resulted in highest net reproduction occurring in the range 20-25°C (78.2 females per female), and highest intrinsic rate of increase at 30°C (0.2571 females per female per day). These values make Q. citrella an intrinsically superior natural enemy compared to other leaf miner parasitoids. However, overwintering of Q. citrella in Spain may present a barrier, especially in areas like Valencia, where average winter temperatures are around 11°C. This could account for the low recovery rates observed in Spain in spite of the key natural enemy status enjoyed by this species in its area of origin.

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Section: Introductionmentioning

confidence: 99%

Temperature Requirements may Explain why the Introduced Parasitoid Quadrastichus citrella Failed to Control Phyllocnistis citrella in Spain

et al. 2006

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“…28 Finally, some P. citrella may overwinter as adults. Ujiye 29 reported that P. citrella overwinters as adults within citrus trees in warmer citrus-growing regions of Japan and hypothesized that females undergo reproductive diapause, but no such diapause is known to occur in Florida. 13 …”

Section: Discussionmentioning

confidence: 99%

Investigating dormant-season application of pheromone in citrus to control overwintering and spring populations ofPhyllocnistis citrella(Lepidoptera: Gracillariidae)

2015

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Dispensers provided effective and persistent disruption of male catch in pheromone-baited monitoring traps but were minimally effective in reducing leaf infestation by P. citrella. Winter application of pheromone did not reduce leaf mining in spring compared with spring application alone. Tops of trees may have provided a refuge for mating. Published 2015. This article is a U.S. Government work and is in the public domain in the USA.

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Genomic Analyses of Two Populations of Ageniaspis citricola (Hymenoptera: Encyrtidae) Suggest That a Cryptic Species May Exist

Hoy

Jeyaprakash

Morakote³

et al. 2000

Biological Control

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Parasitoids of the Citrus Leafminer, Phyllocnistis citrella Stainton (Lepidoptera: Phyllocnistidae) in Thailand.

Abstract: Ten species of chalcidoid parasitoids were reared from the citrus leafminer, Phyllocnistis citrella in Thailand. Among them, Ageniaspis sp. seemed to be the most dominant and important biological control agent.

Cited by 8 publications

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Temperature Requirements may Explain why the Introduced Parasitoid Quadrastichus citrella Failed to Control Phyllocnistis citrella in Spain

Temperature Requirements may Explain why the Introduced Parasitoid Quadrastichus citrella Failed to Control Phyllocnistis citrella in Spain

Investigating dormant-season application of pheromone in citrus to control overwintering and spring populations ofPhyllocnistis citrella(Lepidoptera: Gracillariidae)

Genomic Analyses of Two Populations of Ageniaspis citricola (Hymenoptera: Encyrtidae) Suggest That a Cryptic Species May Exist

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