Impact of Essential Oils on Biological Traits of <i>Trichogramma chilonis</i> Ishii DOI Open Access

M Sowmya,

O S Bindhu,

Kesavan Subaharan

et al.

Indian Journal of Entomology, Journal Year: 2023, Volume and Issue: unknown, P. 1 - 4

Published: Oct. 3, 2023

Trichogramma chilonis Ishii (Hymenoptera: Trichogrammatidae) reared on factious host rice moth Corcyra cephalonica (Stainton) (Lepidoptera: Pyralidae) is an egg parasitoid lepidopteran pests. The essential oils, viz., ajowan Trachyspermum ammi, betel Piper betle, and sweet basil Ocimum basilicum neem oil were assessed for their toxicity biological traits like parasitism emergence T. chilonis. Among the EOs tested, ammi caused highest to (LC50 0.316 ppm) followed by P. betle 0.567 ppm). At sublethal dose, they had impact adult of Whilst O. relatively safe at doses This study highlights need maintain a waiting period before release in treated substrates.

Language: Английский

Sublethal chemical stimulation of arthropod parasitoids and parasites of agricultural and environmental importance DOI
Evgenios Agathokleous, James D. Blande, Noboru Masui

et al.

Environmental Research, Journal Year: 2023, Volume and Issue: 237, P. 116876 - 116876

Published: Aug. 11, 2023

Language: Английский

Citations

12
Effects of short-term thermal stress on functional response and interspecific interaction of whitefly parasitoids DOI

Chao-wen GUO,

J.Y. Li,

Shubing Wu

et al.

Journal of Economic Entomology, Journal Year: 2025, Volume and Issue: unknown

Published: March 18, 2025

Abstract The functional response of a biocontrol agent, as well its interactions with co-occurring species under thermal stress, are 2 crucial factors in evaluating ability to control arthropod pests the context climate warming. Encarsia formosa (Gahan) (Hymenoptera: Aphelinidae) is one most extensively utilized biological agents for whitefly Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae). In present study, we evaluated effects short-term heat stress on and host efficacy En. formosa, interspecific between this parasitoid Eretmocerus hayati (Zolnerowich Rose) Aphelinidae). At all experimental temperatures, type II responses were observed both parasitism feeding. remained unaffected by temperature. Roger’s model was fit data. Based 95% confidence interval, pairwise comparisons searching rate (a) handling time (Th) across temperature regimes yielded no significant differences. instances, increased temperatures did not affect formosa. coexistence Er. exhibited negative impact formosa’s but positive effect that regimes. These findings provide valuable knowledge regarding dynamics warming underscore importance understanding relationships among effectively optimize pest management strategies.

Language: Английский

Citations

0
Functional response of temperature tolerant and control strain of Aenasius arizonensis against different densities of Phenacoccus solenopsis Tinsley DOI

G N Kirankumar,

Sachin S. Suroshe, MVNL Chaitanya

et al.

Phytoparasitica, Journal Year: 2025, Volume and Issue: 53(3)

Published: March 26, 2025

Language: Английский

Citations

0
The link between functional response and longevity of Trichogramma evanescens strains indigenous to Türkiye: A comparative assessment of parameters DOI Creative Commons
Adil Tonğa

Journal of Applied Entomology, Journal Year: 2024, Volume and Issue: 148(5), P. 611 - 623

Published: March 31, 2024

Abstract A previous comprehensive survey in the Mediterranean and Southeastern regions of Türkiye investigating natural egg parasitism lepidopteran maize pests, Sesamia spp, (Lepidoptera: Noctuidae) Ostrinia nubilalis Hbn. Chilo partellus (Swinhoe; Lepidoptera: Crambidae) by Trichogramma evanescens Westwood (Hymenoptera: Trichogrammatidae) yielded successful establishment laboratory cultures six strains molecularly clustering into two main groups. In this study, functional response adult longevity reared tested on a factitious host, Ephestia kuehniella Zeller Pyralidae) were investigated to provide insights their potential as candidate biocontrol agents under constant conditions. The modelling process consisted sequential steps: model selection using polynomial logistic regression parameter estimation an iterative maximum likelihood method. showed negative linear parameters (type II): HAP068M HAP268S. Although attack rate did not differ, handling time HAP268S was longer than that HAP068M. contrast, four had positive quadratic III) response: HAP044S, HAP070S, HAP210S, HAP258M. exhibiting type III differ time, while HAP044S higher coefficient both female male adults significantly differed between strains. More importantly, females belonging II presented shorter longevity, compared those with response. Males also similar trend longevity. This paper discusses differences types estimated relation relevance for biological control programs reveals link reciprocal predictors.

Language: Английский

Citations

3
PARASITOIDS AS BIOCONTROL AGENTS IN INDIA DOI
S. Kumaraswamy,

Sindhura Kopparthi Av,

R. H.

et al.

Current Opinion in Insect Science, Journal Year: 2024, Volume and Issue: 66, P. 101282 - 101282

Published: Oct. 12, 2024

Language: Английский

Citations

3
A comparative approach for life history and functional response demonstrates similar survival strategies for Trichogramma evanescens and T. pintoi DOI Creative Commons
Adil Tonğa,

Mustafa Erkek,

Jamin Ali

et al.

Pest Management Science, Journal Year: 2024, Volume and Issue: 80(11), P. 5630 - 5639

Published: July 4, 2024

Egg parasitoids are important biological control agents of lepidopteran pests agricultural crops. Trichogramma evanescens Westwood and T. pintoi Voegele (Hymenoptera: Trichogrammatidae) egg with worldwide importance. The parasitoid selection necessitates comparative assessment the life table traits functional response analysis to provide insights into their effectiveness in pest control. In this study, we examined including survivorship reproductivity, associated parameters i.e., attack coefficient handling time.

Language: Английский

Citations

2
Partial exploitation of host egg patches resulting from a high rejection rate of healthy hosts cautions the mechanistic use of functional response models DOI Creative Commons
Toshinori Okuyama

The Canadian Entomologist, Journal Year: 2024, Volume and Issue: 156

Published: Jan. 1, 2024

Abstract The functional response of parasitoids is a main component models that describe host–parasitoid interactions. When the assumed in model ( e.g., population model) inaccurate, predictions by based on also become unreliable. This study reports conventional may commonly fail to capture actual and discuss its implications. To assist discussion, an experiment was conducted interactions between pupal parasitoid Dirhinus giffardii (Hymenoptera: Chalcididae) host Bactrocera dorsalis (Diptera: Tephritidae) laboratory. Results showed typically interacted with all hosts environment but parasitised small fraction them most encountered were rejected), which deviates from assumption mechanistic models. An increasing number published studies suggest (although circumstantially) rejection unparasitised common, suggesting this behaviour widespread among species. By using experimental results, discusses why existing hypotheses are insufficient for observed implications within realm theories surrounding

Language: Английский

Citations

1
Impact of Essential Oils on Biological Traits of <i>Trichogramma chilonis</i> Ishii DOI Open Access

M Sowmya,

O S Bindhu,

Kesavan Subaharan

et al.

Indian Journal of Entomology, Journal Year: 2023, Volume and Issue: unknown, P. 1 - 4

Published: Oct. 3, 2023

Trichogramma chilonis Ishii (Hymenoptera: Trichogrammatidae) reared on factious host rice moth Corcyra cephalonica (Stainton) (Lepidoptera: Pyralidae) is an egg parasitoid lepidopteran pests. The essential oils, viz., ajowan Trachyspermum ammi, betel Piper betle, and sweet basil Ocimum basilicum neem oil were assessed for their toxicity biological traits like parasitism emergence T. chilonis. Among the EOs tested, ammi caused highest to (LC50 0.316 ppm) followed by P. betle 0.567 ppm). At sublethal dose, they had impact adult of Whilst O. relatively safe at doses This study highlights need maintain a waiting period before release in treated substrates.

Language: Английский

Citations

0