Biological Control of the Tomato Leafminer, Tuta absoluta Meyrick (Lepidoptera, gelechiidae)

2016 ◽  
Vol 8 (1) ◽  
pp. 103-112
Author(s):  
W. Mikhail ◽  
H. Sobbhy ◽  
S. Gaffar ◽  
H. Omar ◽  
A. Elmasry
Keyword(s):  
Biological Control ◽  
Tuta Absoluta ◽  
Tomato Leafminer

scholarly journals Report of A Larval Parasitoid of Tuta Absoluta (Meyrick) (Lepidoptera: Gelechiidae) from Iran

2014 ◽  
Vol 54 (3) ◽  
pp. 306-307 ◽  
Author(s):  
Fariba Sohrabi ◽  
Hossein Lotfalizadeh ◽  
Hoda Salehipour
Keyword(s):  
Biological Control ◽  
Natural Enemies ◽  
Tuta Absoluta ◽  
Parasitoid Species ◽  
Tomato Leafminer ◽  
Control Programs ◽  
Larval Parasitoid ◽  
The Family ◽  
Introduced Pest ◽  
First Time

Abstract The tomato leafminer Tuta absoluta (Meyrick) is one of the most devastating pests of greenhouse and outdoor tomato crops. Since it is a newly introduced pest in Iran, there is an important need to search for its natural enemies. In the course of a survey on the natural enemies of this pest, samplings were carried out in tomato greenhouses heavily infested with the tomato leafminer, in the Borazjan region of the Bushehr province in Iran. Leaves with mines were reared in the laboratory until emergence of parasitoids. A single parasitoid species of the family Eulophidae was reared and identified as Neochrysocharis formosus (Westwood 1833). This species is reported for the first time on the tomato leafminer in Iran. Such information may help in developing biological control programs to control this serious pest.

Can the parasitoid Necremnus tutae (Hymenoptera: Eulophidae) improve existing biological control of the tomato leafminer Tuta aboluta (Lepidoptera: Gelechiidae)?

2016 ◽  
Vol 106 (4) ◽  
pp. 502-511 ◽  
Author(s):  
F.J. Calvo ◽  
J.D. Soriano ◽  
P.A. Stansly ◽  
J.E. Belda
Keyword(s):  
Biological Control ◽  
Mediterranean Region ◽  
Tuta Absoluta ◽  
Leaf Damage ◽  
Release Rates ◽  
Tomato Leafminer ◽  
Large Numbers ◽  
Fruit Damage ◽  
Augmentative Releases ◽  
Release Method

AbstractNecremnus tutae is native to the Mediterranean region where it has been observed in greenhouses parasitizing the invasive Tuta absoluta on tomato. The objective of the present study was to determine whether augmentative releases of N. tutae can improve existing biological control of T. absoluta based on predation by Nesidicoris tenuis. Two experiments were carried out, of which the first evaluated different N. tutae release rates (1 and 2 N. tutae m−2 week−1). The parasitoid reduced plant and fruit damage, especially at the higher rate. However, such reduction was considered insufficient given the large numbers of parasitoids needed and still unacceptable level of fruit damage. The second experiment focused on combining the most efficient rate of N. tutae of those evaluated during the first experiment, with the pre- and post-planting release of N. tenuis and supplemental additions of Ephestia kuehniella eggs. Addition of N. tutae decreased leaf damage by T. absoluta regardless the release method for N. tenuis, but the pre-plant release of N. tenuis alone was sufficient to prevent fruit damage by T. absoluta. This suggested that the addition of N. tutae may not be necessary to obtain satisfactory control of T. absoluta following pre-plant application of N. tenuis, although different options for using N. tutae in commercial crops may still be possible.

scholarly journals Occurrence of Pyemotes sp. on Tuta absoluta (Meyrick)

2007 ◽  
Vol 50 (6) ◽  
pp. 929-932 ◽  
Author(s):  
Carlos Romero Ferreira de Oliveira ◽  
Cláudia Helena Cysneiros Matos ◽  
Eduardo Hatano
Keyword(s):  
Biological Control ◽  
Tuta Absoluta ◽  
Tomato Leafminer ◽  
Population Reduction

The aim of this work was to study the population reduction of the tomato leafminer moth, Tuta absoluta (Meyrick), by Pyemotes sp. in the laboratory. The mite became greenish when fed on caterpillars, pupae, and adults of T. absoluta. The caterpillars and adults of T. absoluta were quickly paralyzed by the mite venom. A single T. absoluta could host many Pyemotes sp, physogastric females, which were allowed to grow on the moth. Pyemotes sp. can be a new alternative for the biological control of T. absoluta. However, this possibility must be better understood before it could be recommended, because Pyemotes sp. could also cause dermatitis in the humans.

scholarly journals Influence of insect traps and insecticides sequential application as a tactic for management of tomato leafminer, Tuta absoluta (Meyrick), (Lepidoptera: Gelechiidae)

2020 ◽  
Vol 44 (1) ◽  
Author(s):  
Nasr Mohamed Abdelmaksoud ◽  
Nahed Fawzy Abdel-Aziz ◽  
Elham Ahmed Sammour ◽  
Essam Abd El Maguied Agamy ◽  
Ahmed Mohamed El-Bakry ◽  
...  
Keyword(s):  
Tuta Absoluta ◽  
Tomato Leafminer

An Improved and Convenient New Synthesis of the Pheromone Components of the Tomato Leafminer Tuta absoluta

Synthesis ◽  
2015 ◽  
Vol 47 (07) ◽  
pp. 961-968 ◽  
Author(s):  
Angel Guerrero ◽  
Marc Puigmartí ◽  
Mª Bosch
Keyword(s):  
Tuta Absoluta ◽  
Tomato Leafminer ◽  
New Synthesis ◽  
Pheromone Components

scholarly journals Naturalized Dolichogenidea gelechiidivoris Marsh (Hymenoptera: Braconidae) complement the resident parasitoid complex of Tuta absoluta (Meyrick) (Lepidopera:Gelechiidae) in Spain

2021 ◽  
Author(s):  
Carmen Denis ◽  
JORDI RIUDAVETS ◽  
OSCAR ALOMAR ◽  
NURIA AGUSTI ◽  
HELENA GONZALEZ-VALERO ◽  
...  
Keyword(s):  
Biological Control ◽  
Biocontrol Agent ◽  
Natural Populations ◽  
Tuta Absoluta ◽  
Parasitoid Complex ◽  
Parasitism Rates ◽  
Production Area ◽  
Side Walls ◽  
Predatory Mirid ◽  
First Time

Our study aimed to assess the contribution of natural parasitism due to Necremnus tutae Ribes & Bernardo (Hymenoptera: Eulophidae) to the biological control of Tuta absoluta (Meyrick) (Lepidopera:Gelechiidae) in commercial plots where an IPM program based on the use of predatory mirid bugs was implemented. During the samplings, the presence of another parasitoid was detected and, therefore, a second part of our study intended to identify this species and to evaluate the importance of its natural populations in the biological control of the pest. Leaflets with T. absoluta galleries were collected during 2017-2020 from commercial tomato plots in the horticultural production area of Catalonia (Northeast Spain), including greenhouses, open fields, and roof covered tunnels that lack side walls. In the laboratory, T. absoluta larvae were classified as ectoparasitized, alive, or dead. Reared parasitoids from ectoparasitized larvae were mostly morphologically identified as Necremnus sp. with parasitism rates that peaked in summer months with values between 9 and 15%. Some of these ectoparasitized larvae also yielded another parasitoid identified as Dolichogenidea gelechiidivoris Marsh (Hymenoptera: Braconidae) by both morphological and molecular-DNA barcoding methods. In 2020, parasitism rates due to D. gelechiidivoris that increased with season up to 22%. Our work reports for the first time in Europe the presence of the neotropical species D. gelechiidivoris adding this biocontrol agent to the resident parasitoid complex of T. absoluta in Spain.

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