Journal of economic entomology最新文献

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Evaluating trapping methods to increase earwig capture in temperate tree fruit crops.
Journal of economic entomology Pub Date : 2025-02-07 DOI: 10.1093/jee/toaf018
Aldo Hanel, Louis B Nottingham, Robert J Orpet, Richard Hilton, Tobin D Northfield, Rebecca Schmidt-Jeffris
{"title":"Evaluating trapping methods to increase earwig capture in temperate tree fruit crops.","authors":"Aldo Hanel, Louis B Nottingham, Robert J Orpet, Richard Hilton, Tobin D Northfield, Rebecca Schmidt-Jeffris","doi":"10.1093/jee/toaf018","DOIUrl":"https://doi.org/10.1093/jee/toaf018","url":null,"abstract":"<p><p>The European earwig, Forficula auricularia L. (sensu lato), has a dual role in temperate tree fruit crops-a pest of stone fruit and a predator of key pests in pome fruit. Some growers trap earwigs in crops where they are pests, subsequently releasing them in pome fruit as an augmentative biological control strategy. Effective earwig monitoring and trapping are critical for understanding their biological control potential in orchards. Traps made of rolled, corrugated cardboard have long been used for earwig monitoring; however, no standardized studies have investigated improvements to them. In a series of trials, we explore options to improve traps by testing different trap materials, sizes, positioning on the tree, and time in the field, in addition to the lures and baits. We found that cardboard traps had higher earwig catch than black or translucent plastic traps. There were diminishing returns in earwig capture for increased trap length, plateauing at ~30 cm. Traps placed on the main trunk captured more earwigs than traps on the base or near the end of branches. Lures and baits mostly did not increase trap efficacy, except fish sauce which inconsistently increased earwig captures. The use of plastic bottles to contain the cardboard traps greatly reduced trap catch. Finally, we found evidence that traps left in the field for longer periods of time can increase earwig capture, possibly due to the accumulation of earwig aggregation pheromone. Overall, the standard unbaited corrugated cardboard trap was the most effective and practical earwig monitoring trap.</p>","PeriodicalId":94077,"journal":{"name":"Journal of economic entomology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143367112","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Screening of insecticides for management of the invasive Oxycarenus hyalinipennis Costa (Hemiptera: Oxycarenidae) population sourced from urban southern California.
Journal of economic entomology Pub Date : 2025-02-04 DOI: 10.1093/jee/toaf014
Gabriel Zilnik, James R Hepler, Paul Merten, Inana X Schutze, Christina D Hoddle, Mark S Hoddle, Peter C Ellsworth, Colin Brent
{"title":"Screening of insecticides for management of the invasive Oxycarenus hyalinipennis Costa (Hemiptera: Oxycarenidae) population sourced from urban southern California.","authors":"Gabriel Zilnik, James R Hepler, Paul Merten, Inana X Schutze, Christina D Hoddle, Mark S Hoddle, Peter C Ellsworth, Colin Brent","doi":"10.1093/jee/toaf014","DOIUrl":"https://doi.org/10.1093/jee/toaf014","url":null,"abstract":"<p><p>Cotton seed bug, Oxycarenus hyalinipennis (Hemiptera: Oxycarenidae), was discovered in southern California in 2019. Surveys have found it within 160 km of cotton producing areas. While often only a minor pest in its native range, there are justified concerns that O. hyalinipennis could become a major pest of US-grown cotton. To proactively prepare for this possibility, 12 US-registered formulations and 1 experimental formulation were assessed in the laboratory for efficacy against O. hyalinipennis, using both contact and ingestion bioassays. Six formulations, consisting of acephate, dinotefuran, flupyradifurone, and imidacloprid with initial efficacy against O. hyalinipennis were used for subsequent dose-response bioassays. These compounds had LC50 values well below maximum labeled rates, although LC99.9 values often exceeded maximum label rates. Results indicate that if O. hyalinipennis infests cotton production regions, both selective and broad-spectrum options will be available for management. These findings establish a baseline for developing an integrated pest management program that can reduce potential damage from O. hyalinipennis, preserve natural enemies, and contribute to resistance management in cotton production areas.</p>","PeriodicalId":94077,"journal":{"name":"Journal of economic entomology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143191567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Non-target effects of insecticides and herbicides on earwigs.
Journal of economic entomology Pub Date : 2025-02-04 DOI: 10.1093/jee/toaf012
Aldo Hanel, Louis B Nottingham, Tobin D Northfield, Rebecca Schmidt-Jeffris
{"title":"Non-target effects of insecticides and herbicides on earwigs.","authors":"Aldo Hanel, Louis B Nottingham, Tobin D Northfield, Rebecca Schmidt-Jeffris","doi":"10.1093/jee/toaf012","DOIUrl":"https://doi.org/10.1093/jee/toaf012","url":null,"abstract":"<p><p>Conservation biological control in agriculture primarily relies on avoiding pesticides that may harm key natural enemies. In temperate tree fruit crops, the European earwig, Forficula auricularia (L.) has only recently become appreciated as an important predator of economic pests, particularly woolly aphids and pear psylla. Therefore, the non-target effects of orchard pesticides on earwigs are largely understudied. This is particularly true for herbicides, which earwigs are likely to be exposed to due to their foraging behavior moving between the canopy and the ground cover. We tested residues of formulated pesticides (8 insecticides and 7 herbicides) commonly used in tree fruit crops for lethal and sublethal (movement, predation rate) effects on adult female earwigs. Two herbicides, paraquat and glufosinate, and one insecticide, spinetoram, were acutely toxic to earwigs within 72 h. No tested pesticides altered earwigs' movement or resting behavior compared to the control. The insecticides spinosad and cyantraniliprole and the herbicides 2,4-D, glufosinate, halosulfuron, rimsulfuron, and oxyfluorfen reduced earwig predation on green peach aphids. Therefore, these pesticides may reduce earwig predation on pests in orchards. Our results suggest that some pesticides are of greater risk, and thus, should be carefully considered or better timed when used in tree fruit orchards where earwigs are considered for conservation or augmentative biological control.</p>","PeriodicalId":94077,"journal":{"name":"Journal of economic entomology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143191566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Temperature-dependent parasitism, development, and reproduction of Microplitis manilae (Hymenoptera: Braconidae) on Spodoptera litura (Lepidoptera: Noctuidae).
Journal of economic entomology Pub Date : 2025-02-03 DOI: 10.1093/jee/toaf019
Shuang Tian, Xue-Yuan Di, Bin Yan, Yuan-Chan Yu, Peng Ren, Hui-Zi Wu, Mao-Fa Yang
{"title":"Temperature-dependent parasitism, development, and reproduction of Microplitis manilae (Hymenoptera: Braconidae) on Spodoptera litura (Lepidoptera: Noctuidae).","authors":"Shuang Tian, Xue-Yuan Di, Bin Yan, Yuan-Chan Yu, Peng Ren, Hui-Zi Wu, Mao-Fa Yang","doi":"10.1093/jee/toaf019","DOIUrl":"https://doi.org/10.1093/jee/toaf019","url":null,"abstract":"<p><p>The braconid wasp Microplitis manilae (Hymenoptera: Braconidae) is a solitary, koinobiont endoparasitoid of young Spodoptera litura (Fabricius) larvae and one of its most crucial natural parasitic enemies. The establishment of a stable and sufficient population of M. manilae by rearing them in a laboratory is the cornerstone of field release management. However, when reared in a laboratory, M. manilae is affected by temperature. Here, we attempted to optimize the rearing temperature of M. manilae for parasitizing second-instar S. litura larvae by examining the effects of rearing at 5 temperatures: 16 °C, 20 °C, 24 °C, 28 °C, and 32 °C. Our results suggest that the development of the parasitoid progeny speeded up with shorter durations of the egg-larval, pupal, and preadult stages with the increase in temperature from 16°C to 32 °C. The parasitism rate and fecundity of M. manilae upon parasitizing second-instar S. litura larvae increased with rearing temperature from 16°C to 24 °C, with the peaks at 24 °C reaching 52.90% and 111.70 eggs/female, respectively, and then decreased at 28 °C to 32 °C. At 24 °C, the sex ratio (0.22) was the lowest, whereas the emergence rate (68.54%) did not differ significantly compared with those at other temperatures. Meanwhile, at 28 °C, the parasitism rate, fecundity, and emergence rate approached the levels at 24 °C, whereas the sex ratio was higher (0.29) than at 24 °C. These findings suggest 24 °C to 32 °C is the most appropriate temperature range for M. manilae mass rearing under laboratory conditions.</p>","PeriodicalId":94077,"journal":{"name":"Journal of economic entomology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143124310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of synergists on the efficacy of long-lasting insecticide-incorporated netting against Tribolium castaneum (Coleoptera: Tenebrionidae) and Rhyzopertha dominica (Coleoptera: Bostrichidae).
Journal of economic entomology Pub Date : 2025-02-03 DOI: 10.1093/jee/toaf025
Qinglei Ming, William R Morrison, Kun Yan Zhu, James F Campbell, Erin D Scully
{"title":"Effects of synergists on the efficacy of long-lasting insecticide-incorporated netting against Tribolium castaneum (Coleoptera: Tenebrionidae) and Rhyzopertha dominica (Coleoptera: Bostrichidae).","authors":"Qinglei Ming, William R Morrison, Kun Yan Zhu, James F Campbell, Erin D Scully","doi":"10.1093/jee/toaf025","DOIUrl":"https://doi.org/10.1093/jee/toaf025","url":null,"abstract":"<p><p>Long-lasting insecticide-incorporated netting (LLIN) has been used to deliver pyrethroids for management of stored product insect pests in food facilities. However, the development of resistance to pyrethroids in stored product pests is a widespread and urgent problem, which threatens the efficacy of commercially available LLINs. A potential approach for enhancing LLIN efficacy is the use of insecticide synergists to inhibit detoxification enzymes and exacerbate the effects of pyrethroids. Here, we evaluated the synergistic properties of 3 detoxification enzyme inhibitors-piperonyl butoxide (PBO), diethyl maleate (DEM), and triphenyl phosphate (TPP)-with LLIN against the red flour beetle Tribolium castaneum (Herbst), and the lesser grain borer Rhyzopertha dominica (Fabricius). Pre-exposure to PBO resulted in higher mortality after exposure to LLIN for T. castaneum and R. dominica. With pre-exposure to PBO followed by LLIN exposure, there was a trend for lower LT50 values for both species, while the extent of synergistic effects was greater on R. dominica than T. castaneum. In contrast, with pre-exposure to DEM and TPP followed by LLIN exposure, there were no significant reductions in LT50 values for both species. In addition, the presence of food had a significant effect on the recovery and delayed mortality in T. castaneum and R. dominica, reducing the efficacy of synergist and LLIN in combined exposures. This study provides baseline data towards improving the efficacy of LLIN against stored product pests.</p>","PeriodicalId":94077,"journal":{"name":"Journal of economic entomology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143124308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The European earwig Forficula auricularia (Dermaptera: Forficulidae) in California citrus: a sampling method, population surveys, and description of earwig movement into the tree canopy.
Journal of economic entomology Pub Date : 2025-02-01 DOI: 10.1093/jee/toaf023
Jay A Rosenheim, Emma Cluff, Kelley Morrow
{"title":"The European earwig Forficula auricularia (Dermaptera: Forficulidae) in California citrus: a sampling method, population surveys, and description of earwig movement into the tree canopy.","authors":"Jay A Rosenheim, Emma Cluff, Kelley Morrow","doi":"10.1093/jee/toaf023","DOIUrl":"https://doi.org/10.1093/jee/toaf023","url":null,"abstract":"<p><p>The European earwig F. auricularia L. is an omnivore that has only recently been identified as a direct, fruit-feeding pest of citrus. Here, we start to build the basic tools needed for integrated pest management for this species. We introduce a time-efficient sampling method based on small wooden boards placed on the ground, and we use them in a 2-yr survey of 93 commercial citrus blocks in California's San Joaquin Valley. Insecticides were not applied targeting F. auricularia in any of these citrus blocks. We find that F. auricularia populations are very low or undetectable in most blocks, with higher densities occurring only sporadically. To know when control measures should be implemented, we used video-monitoring of citrus tree trunks to characterize the timing of F. auricularia movement from their soil nests into the tree canopy. Movement of earwigs along the tree trunks was observed throughout our sampling period (22 March to 18 June), suggesting that control measures (sticky bands placed on trunks, or insecticides applied to trunks and surrounding soil surface) should be applied early, well before petal fall when fruit are susceptible to F. auricularia herbivory. Sticky barriers effectively reduced the vertical movement of 2 crawling arthropods, F. auricularia and the Fuller rose beetle Napactus godmanni, along citrus trunks. We failed to find any relationship between estimated F. auricularia densities and damage to maturing or harvested fruit. This highlights a set of important and still unresolved questions about the biology of this species, underscoring the need for additional research.</p>","PeriodicalId":94077,"journal":{"name":"Journal of economic entomology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143076760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Observation of Tropilaelaps mercedesae (Mesostigmata: Laelapidae) on Western honey bees (Apis mellifera) exiting colonies.
Journal of economic entomology Pub Date : 2025-01-31 DOI: 10.1093/jee/toae305
Rogan Tokach, Dan Aurell, Bajaree Chuttong, Geoffrey R Williams
{"title":"Observation of Tropilaelaps mercedesae (Mesostigmata: Laelapidae) on Western honey bees (Apis mellifera) exiting colonies.","authors":"Rogan Tokach, Dan Aurell, Bajaree Chuttong, Geoffrey R Williams","doi":"10.1093/jee/toae305","DOIUrl":"https://doi.org/10.1093/jee/toae305","url":null,"abstract":"<p><p>Tropilaelaps mercedesae (Delfinado and Baker) is an emerging parasitic mite that can severely impact the Western honey bee (Apis mellifera L.). While T. mercedesae has been reported to be expanding its geographical range, the routes of inter-colony dispersal between A. mellifera colonies are still largely unknown. In this study, we used funnel traps to collect foraging honey bees exiting their colonies before performing an alcohol wash to collect any phoretic T. mercedesae mites. We found T. mercedesae on exiting adult honey bees; however, they were only detected when a colony had an elevated T. mercedesae brood infestation. We show that T. mercedesae can exit colonies through phoresy on adult A. mellifera which demonstrates the potential of these mites to be spread through the natural movement of A. mellifera honey bees among colonies.</p>","PeriodicalId":94077,"journal":{"name":"Journal of economic entomology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143071307","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Range delimitation and flight phenology for Archips goyerana (Lepidoptera: Tortricidae), a significant defoliator of baldcypress.
Journal of economic entomology Pub Date : 2025-01-31 DOI: 10.1093/jee/toaf006
Kristy M McAndrew, David R Coyle, Demian F Gomez, Kelly L F Oten, Thomas N Sheehan, Brian T Sullivan, Samuel F Ward
{"title":"Range delimitation and flight phenology for Archips goyerana (Lepidoptera: Tortricidae), a significant defoliator of baldcypress.","authors":"Kristy M McAndrew, David R Coyle, Demian F Gomez, Kelly L F Oten, Thomas N Sheehan, Brian T Sullivan, Samuel F Ward","doi":"10.1093/jee/toaf006","DOIUrl":"https://doi.org/10.1093/jee/toaf006","url":null,"abstract":"<p><p>Forested wetlands support diverse biota and provide a wide range of ecosystem services. Archips goyerana Kruse (Lepidoptera: Tortricidae) is a native pest that defoliates baldcypress (Taxodium distichum var. distichum (L.) Rich.; Cupressaceae) and pondcypress (Taxodium distichum var. imbricarium (Nuttall); Croom), 2 keystone trees throughout forested wetlands of the southeastern United States. Outbreaks of the A. goyerana have been isolated to southeastern Louisiana, where they have caused reduced growth, crown dieback, and limited tree death. However, aerial detection surveys indicated that severe defoliation by A. goyerana has been affecting wetlands further east within the region. Given the possibility of expanding outbreaks, it is important to understand the timing of A. goyerana activity, duration of the flight period, and efficacy of different trap types to guide survey efforts. We deployed traps in a paired design, one bucket trap and one delta trap, each baited with synthetic A. goyerana sex pheromone at 30 sites throughout the range of baldcypress. Over 2 field seasons, we checked traps weekly and quantified the number of A. goyerana caught per trap type, ability of each trap type to detect a single moth (trap sensitivity), and growing degree days, using a base temperature of 5 °C accumulated at the onset, peak, and cessation of the flight period. We found that delta traps caught more moths but sensitivity of traps was equal between the 2 trap types. Analyses of phenology indicated that A. goyerana flight occurred between ~1,000 and 1,600 growing degree days. Optimizing trapping practices for A. goyerana may improve detection of endemic populations and help identify areas potentially at risk of experiencing outbreaks.</p>","PeriodicalId":94077,"journal":{"name":"Journal of economic entomology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143071310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The influence of imidacloprid seed treatment on non-ThryvOn and ThryvOn cotton.
Journal of economic entomology Pub Date : 2025-01-31 DOI: 10.1093/jee/toaf010
Walker Brett Farmer, Jeffrey Gore, Angus L Catchot, Whitney D Crow, Don Cook, Brian K Pieralisi, Tyler Towles, Sebe Brown, Scott Stewart, Dominic Reisig, Anders Huseth
{"title":"The influence of imidacloprid seed treatment on non-ThryvOn and ThryvOn cotton.","authors":"Walker Brett Farmer, Jeffrey Gore, Angus L Catchot, Whitney D Crow, Don Cook, Brian K Pieralisi, Tyler Towles, Sebe Brown, Scott Stewart, Dominic Reisig, Anders Huseth","doi":"10.1093/jee/toaf010","DOIUrl":"https://doi.org/10.1093/jee/toaf010","url":null,"abstract":"<p><p>In the southern United States, thrips are a significant early season pest of cotton. In the United States, in 2022, 98% of cotton acres were infested with thrips, and, of those acres, 45% were treated for thrips. Thrips injury resulted in over $113 million dollars in losses plus control costs to the cotton industry in the United States that year. A new Bacillus thuringiensis trait known as ThryvOn has been commercialized to provide control against thrips. There is ongoing debate about the need for an insecticidal seed treatment to improve thrips control on ThryvOn varieties. Field studies were conducted to determine if the addition of an imidacloprid seed treatment improved efficacy against tobacco thrips and to determine if reduced rates of seed treatments (0, 25, 50, 75, and 100% of the labeled rate) provided benefits for thrips control in ThryvOn cotton. To control for infestation pressure, a complementary greenhouse study was conducted using the same treatments under controlled conditions. Imidacloprid provided only a limited benefit for improved management on ThryvOn cotton in the greenhouse study, but no benefit in the field study. Efforts in pest surveillance should be continued in ThryvOn cotton to allow for foliar applications when warranted based on established thresholds. No conclusions can be drawn about the benefits of an imidacloprid seed treatment for resistance management in ThryvOn cotton from this study, but these data suggest that any benefit would be minimal.</p>","PeriodicalId":94077,"journal":{"name":"Journal of economic entomology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143070541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Potential of dip treatments to disinfest cuttings of the invasive Thrips parvispinus (Thysanoptera: Thripidae).
Journal of economic entomology Pub Date : 2025-01-29 DOI: 10.1093/jee/toae265
Livia M S Ataide, Yisell Velazquez-Hernandez, Isamar Reyes-Arauz, Paola Villamarin, Maria A Canon, Alexandra M Revynthi
{"title":"Potential of dip treatments to disinfest cuttings of the invasive Thrips parvispinus (Thysanoptera: Thripidae).","authors":"Livia M S Ataide, Yisell Velazquez-Hernandez, Isamar Reyes-Arauz, Paola Villamarin, Maria A Canon, Alexandra M Revynthi","doi":"10.1093/jee/toae265","DOIUrl":"https://doi.org/10.1093/jee/toae265","url":null,"abstract":"<p><p>Thrips parvispinus (Karny) (Thysanoptera: Thripidae), an invasive thrips species, poses a significant threat to global agriculture due to its polyphagous nature and rapid spread. Its recent arrival in the continental United States raises concerns about potential impacts on ornamental and vegetable crops. Dip treatments might serve as a phytosanitary practice for growers to start with plants free of visible pests. This study aimed to assess the efficacy of dip treatments using 4 biorational and microbial insecticides (mineral oil and Beauveria bassiana-based) in controlling T. parvispinus on bean seedlings. Following gentle agitation of cuttings, artificially infested with 10 second-instar (L2) larvae, for 15 s in each solution, thrips infestation was evaluated at 1, and 24 h postdipping, scoring the numbers of dislodged and dead larvae. Additionally, we tested whether dipping could cause phytotoxicity on bean (Phaseolus vulgaris L.), gardenia (Gardenia jasminoides Ellis), and mandevilla (Mandevilla splendens (Hook.f.) Woodson) cuttings during a 7-day period. Our results demonstrated that dip treatments effectively dislodged and killed T. parvispinus L2 larvae from infested cuttings, with BotaniGard-ES and Suffoil-X exhibiting the highest efficacy and a dislodgment rate of 80%-100%. BotaniGard-ES was the only product causing phytotoxicity on bean seedlings, but not on mandevilla and gardenia. Overall, we demonstrated that dip treatment using biorational insecticides is an additional tool that can be incorporated in the integrated pest management of T. parvispinus. These results hold implications for the broader application in the management of thrips across various plants propagated from cuttings.</p>","PeriodicalId":94077,"journal":{"name":"Journal of economic entomology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143070535","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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