The egg parasitoids<i>Trichogramma</i>: from laboratory mass rearing to biological control of lepidopteran pests

Cherif, Asma; Mansour, Ramzi; Grissa-Lebdi, Kaouthar

doi:10.1080/09583157.2020.1871469

Cited by 34 publications

(22 citation statements)

References 146 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Understanding the biological characteristics of Trichogramma species is essential for successfully mass-rearing the parasitoid. Thus, the factors affecting mass rearing include temperature, relative humidity, and photoperiodicity (Chen et al, 2021;Cherif et al, 2021). Temperature, however, does not affect the sex ratio or the number of progeny of T. pretiosum emerging from S. frugiperda eggs (Bueno et al, 2010).…”

Section: Mass Rearing and Storage Of Trichogrammamentioning

confidence: 99%

Augmentative Biological Control of Spodoptera Frugiperda Using Trichogramma Species: A Review

OSAWE¹

2023

Preprint

View full text Add to dashboard Cite

The fall armyworm (FAW), Spodoptera frugiperda, causes harm to over 360 plants by eating both the vegetative and reproductive components. While synthetic insecticides have been widely used to manage this pest, they pose a significant ecological risk to beneficial insects. The Trichogramma genus, comprising over 240 parasitoid species, presents a promising alternative to insecticides. They utilize the chemical signals emitted by host eggs to locate and lay their eggs inside, ultimately leading to the host’s death. This review aims to provide comprehensive insights into the potential of Trichogramma species as biocontrol agents of S. frugiperda, highlighting both their potential and challenges in augmentative biocontrol alongside chemical control. penetrative ability, cost of mass-rearing, frequency, and release-timing of the parasitoid, influence its application and effectiveness in managing S. frugiperda in agroecosystems. The typical problem of Trichogramma’s low penetrative ability of scaled S. frugiperda egg mass can be resolved by integrating other parasitoids that can easily penetrate the egg barriers. Also, certain pesticides registered for controlling S. frugiperda require re-evaluation to learn about their effects on Trichogramma species, inform conservation strategies, and promote sustainable pest management.

show abstract

Section: Mass Rearing and Storage Of Trichogrammamentioning

confidence: 99%

Augmentative Biological Control of Spodoptera Frugiperda Using Trichogramma Species: A Review

OSAWE¹

2023

Preprint

View full text Add to dashboard Cite

show abstract

“…Currently, only egg parasitoids belonging to the family Trichogrammatidae have been used for T. absoluta control. Trichogrammatids can parasitize eggs from at least eight insect orders and some species have been used successfully in large-scale biological control programs targeting lepi-dopteran pests (Huang et al 2020;Qu et al 2020;Cherif et al 2021;Zang et al 2021). In South America, at least eight trichogrammatid species are commercially available for biological control of T. absoluta, but their field use is still limited.…”

Section: Egg Parasitoidsmentioning

confidence: 99%

Integrated pest management of Tuta absoluta: practical implementations across different world regions

et al. 2021

Self Cite

View full text Add to dashboard Cite

“…cotton, corn, soybean and vegetables) and wood (apple, citrus and pine) crops. [4][5][6][7][8][9][10] However, both indigenous and augmented Trichogramma spp. populations could be disturbed by the use of synthetic pesticides.…”

Section: Introductionmentioning

confidence: 99%

“…are performed worldwide in several crops, including annual (e.g. cotton, corn, soybean and vegetables) and wood (apple, citrus and pine) crops 4–10 . However, both indigenous and augmented Trichogramma spp.…”

Section: Introductionmentioning

confidence: 99%

Side effects of insecticides applied to cotton on adult Trichogramma pretiosum by three exposure routes

Costa

Farias

Passos

et al. 2022

Pest Management Science

View full text Add to dashboard Cite

BACKGROUND Trichogramma pretiosum Riley (Hymenoptera: Trichogrammatidae) is released in extensive areas cultivated with cotton worldwide, but the use of synthetic insecticides threatens the establishment of augmented populations. Thus, an assessment of insecticides’ effects on T. pretiosum is required to establish their compatibility with mass releases of the parasitoid. We studied in the laboratory the impact of insecticides administered through different exposure routes (direct‐spraying, ingestion and residue contact) on T. pretiosum. Based on their toxicity, the insecticides were rated into four categories (harmless, slightly harmful, moderately harmful and harmful) as per the International Organization for Biological Control. RESULTS The survival, parasitism ability and emergence of the treated adults and offspring (F1 and F2), in addition to the persistence of the toxic effects in semi‐field conditions, were assessed. Teflubenzuron did not reduce female survival and caused a lesser impact on T. pretiosum on both direct‐spraying and ingestion bioassays. In the residue contact bioassay, teflubenzuron and flupyradifurone were rated as harmless and slightly harmful, respectively. The other active substances (chlorfenapyr, thiodicarb and methomyl) were harmful to the parasitoid by all exposure routes and were persistent (with toxicity duration surpassing 30 days). CONCLUSION From these findings, teflubenzuron is the insecticide most compatible with T. pretiosum releases and should be preferred over the other active substances. Further studies with the harmful insecticides (thiodicarb, chlorfenapyr and methomyl) are required to determine their toxicity under field conditions and confirm their incompatibility with T. pretiosum releases.

show abstract

The egg parasitoidsTrichogramma: from laboratory mass rearing to biological control of lepidopteran pests

Cited by 34 publications

References 146 publications

Augmentative Biological Control of Spodoptera Frugiperda Using Trichogramma Species: A Review

Augmentative Biological Control of Spodoptera Frugiperda Using Trichogramma Species: A Review

Integrated pest management of Tuta absoluta: practical implementations across different world regions

Side effects of insecticides applied to cotton on adult Trichogramma pretiosum by three exposure routes

Contact Info

Product

Resources

About