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Guest Editor

Insect Management and Molecular Diagnostics, USDA-APHIS-PPQ-S&T, 22675 N Moorefield Rd., Edinburg, TX 78541, USA
Interests: invasive species; arthropod invasion; quarantine; virus-vector interactions; acari; molecular diagnostics
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Prof. Dr. Patricia V. Pietrantonio

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Department of Entomology, Texas A&M University, College Station, TX 77843, USA
Interests: biological control; invasive species; plant-arthropod interactions; invasive vectors physiology; invasive ants

Special Issue Information

Dear Colleagues,

Invasive arthropod pests currently constitute a significant threat to food and fiber production and environmental sustainability. Several scientific disciplines synergistically contribute to advancing the understanding of arthropod invasions. The goal of this Second Special Volume is to provide the forum to discuss integrated, strategic, and front-line approaches to predict the potential for invasion (arrival) of, prevent the establishment of (eradication), or manage invasive arthropod pests.

For this issue, we invite authors to present proactive approaches to confronting invasive arthropod pests. We expect this volume to increase awareness of invasive species diversity, the suite of mechanisms and traits that allow them to successfully invade, and the scope of methods employed in their studies. It is essential to identify and evaluate the advantages and pitfalls of the current utilized approaches as well as investigator biases in their selection which could lead to delays in response and irreparable ecosystem damage. Certainly, more scientific expertise is needed globally for method development and integration of efforts to mitigate the negative impacts associated with growing cases of invasions and the subsequent degradation of ecosystems. This work will underscore the necessary skill set of the next generation of entomologists and ecologists facing the challenge of invasive arthropods while identifying common knowledge gaps and opportunities for collaborative research.

Prof. Dr. Jose Carlos Verle Rodrigues
Prof. Dr. Patricia V. Pietrantonio
Guest Editors

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Keywords

invasive species
biological invasions
agroenvironmental pests
migration
behavior
modeling
population dynamics
reproductive physiology
chemical ecology
biological control
pheromones
monitoring
phenology
phytosanitary novel technologies (RF, radiation, plasma)

Published Papers (2 papers)

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Research

Open AccessArticle

Factors Guiding the Orientation of Nymphal Spotted Lanternfly, Lycorma delicatula

Miriam F. Cooperband

Jacob D. Wickham

and

Melissa L. Warden

Insects 2023, 14(3), 279; https://doi.org/10.3390/insects14030279 - 11 Mar 2023

Viewed by 412

Abstract

A mark–release–recapture experiment was conducted to evaluate the orientation of spotted lanternfly (SLF) Lycorma delicatula White (Hemiptera: Fulgoridae) nymphs when released equidistant between two trees. The experiment was repeated weekly for eight weeks in a heavily infested area with mature tree-of-heaven Ailanthus altissima (Mill.) Swingle (Sapindales: Simaroubaceae) planted in rows as ornamental street trees in Beijing, China. One tree in each pair received a methyl salicylate lure, and the lure was rotated between trees every week as it aged. Two additional independent variables for each tree were also analyzed: size and SLF population density. Marked–released SLF significantly chose trees with higher SLF population density over trees with lower density populations, and they also chose larger trees significantly more than smaller trees. Population density and tree size were better predictors of attraction than lures, but when those factors were controlled, SLF significantly chose trees with methyl salicylate lures over control trees for the first 4 weeks of lure life. Wild SLF distribution was assessed weekly, revealing strong aggregation in first and second instars that diminished with development to the third and fourth instars. Thus, nymphal SLF aggregate, and orientation is strongly guided by the presence of other SLF and tree size. Full article

(This article belongs to the Special Issue Invasive Arthropod Pests - Volume II)

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Open AccessArticle

Synergistic Effect of Cold Treatment Combined with Ethyl Formate Fumigation against Drosophila suzukii (Diptera: Drosophilidae)

and

Insects 2022, 13(8), 664; https://doi.org/10.3390/insects13080664 - 22 Jul 2022

Cited by 1 | Viewed by 738

Abstract

Drosophila suzukii is a quarantine pest that is rapidly spreading in berries. This study evaluated the synergistic effect of combination treatment with ethyl formate (EF) and cold temperature for D. suzukii control on imported grapes. A higher insecticidal effect was observed at 1 °C than at 5 °C at all developmental stages, and the pupal stage showed the strongest tolerance to cold temperature. After EF fumigation alone, eggs showed the highest tolerance at 216.67 mg·h/L (LCT₉₉ value), and adults showed the highest susceptibility at <27.24 mg·h/L. Among the combination treatment methods, cold temperature after fumigation resulted in the best synergistic effect. The effect of this combination was significant, with 23.3% higher mortality for eggs, 22.4% for larvae, and 23.4% for pupae than observed with EF fumigation alone. Furthermore, the period of complete D. suzukii control in the 12 L desiccator was shorter in the combination treatment group at the LCT₈₀ value than at the LCT₅₀ value of the egg stage. EF showed a very high sorption rate (24%) after 4 h of exposure at a grape loading ratio of 15% in a 0.65 m³ fumigation chamber. As the grape loading ratio for combination treatment decreased, D. suzukii mortality increased, but when EF was administered at the LCT₈₀ value, there was little difference in the mortalities of the eggs and larvae but not the pupae. All D. suzukii developmental stages were completely controlled within 7 days after combination treatment, and phytotoxicity was not observed in grapes. These results suggest that the combination of cold-temperature treatment and EF fumigation could be used for D. suzukii control. Full article

(This article belongs to the Special Issue Invasive Arthropod Pests - Volume II)

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