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Spatiotemporal Distribution of the Glassy-Winged Sharpshooter, Homalodisca vitripennis (Hemiptera: Cicadellidae), in a Southeastern Agroecosystem 东南部农业生态系统中玻璃翼尖刺蜂的时空分布(半翅目:蝉科)
IF 1.4 4区 农林科学
Florida Entomologist Pub Date : 2023-01-06 DOI: 10.1653/024.105.0403
E. Grabarczyk, Tobin D. Northfeld, R. Mizell, J. Greene, T. Cottrell, P. G. Tillman, P. Andersen, T. C. Riddle, W. Hunter
{"title":"Spatiotemporal Distribution of the Glassy-Winged Sharpshooter, Homalodisca vitripennis (Hemiptera: Cicadellidae), in a Southeastern Agroecosystem","authors":"E. Grabarczyk, Tobin D. Northfeld, R. Mizell, J. Greene, T. Cottrell, P. G. Tillman, P. Andersen, T. C. Riddle, W. Hunter","doi":"10.1653/024.105.0403","DOIUrl":"https://doi.org/10.1653/024.105.0403","url":null,"abstract":"Abstract The glassy-winged sharpshooter, Homalodisca vitripennis (Germar) (Hemiptera: Cicadellidae), is a generalist xylem feeder insect species and an agricultural pest. In agroecosystems, adults disperse between habitats, foraging on crop and non-crop hosts, oftentimes vectoring a harmful plant pathogen, Xylella fastidiosa Wells et al. (Xanthomonadales: Xanthomonadaceae). Understanding the spatiotemporal dynamics of this species in crops and the surrounding non-crop habitat may lead to improved pest management programs that reduce pathogen transmission. Here, we used 3 yr of trapping data across a southeastern US agroecosystem to characterize spatiotemporal distribution patterns of the glassy-winged sharpshooter in a variety of habitats. Adult glassy-winged sharpshooters were captured weekly on yellow sticky cylinder traps. Spatial Analysis by Distance Indices (SADIE) was used to identify significant aggregations and interpolated maps generated to characterize distribution patterns of adults within season and between yrs. Overall, the distribution of glassy-winged sharpshooters varied seasonally with individuals captured primarily in woodlands and fallow fields during early season mo. Later in the growing season and as population levels increased, sharpshooters were captured more commonly in crop habitat, including wheat and corn fields. By evaluating spatiotemporal distribution patterns, we identified likely sources of spring migration into cropping systems. Thus, pest management strategies for the glassy-winged sharpshooter should seek to limit early spring migration from non-crop habitat into crop fields. Resumen La chicharrita de alas cristalinas, Homalodisca vitripennis (Germar) (Hemiptera: Cicadellidae), es una especie de insecto generalista que se alimenta del xilema y es una plaga agrícola. En los agroecosistemas, los adultos se dispersan entre hábitats, alimentándose de hospederos cultivados y no cultivados, a menudo es un vector de un patógeno dañino para las plantas, Xylella fastidiosa Wells et al. (Xanthomonadales: Xanthomonadaceae). Al entender la dinámica espaciotemporal de esta especie en los cultivos y su hábitat no agrícola alrededor del campo puede conducir a mejores programas de manejo de plagas que reduzcan la transmisión de patógenos. Aquí, usamos 3 años de datos de captura en un agroecosistema del sureste de los EE. UU. para caracterizar los patrones de distribución espaciotemporal de la chicharrita de alas cristalinas en una variedad de hábitats. Se capturaron los adultos de la chicharrita de alas cristalinas en trampas cilíndricas adhesivas amarillas. Se utilizó el análisis espacial por índices de distancia (SADIE) para identificar agregaciones significativas y se generaron mapas interpolados para caracterizar los patrones de distribución de adultos dentro de la temporada y entre años. En general, la distribución de las chicharritas de alas cristalinas varió según la estación, y los individuos fueron capturados principal","PeriodicalId":12297,"journal":{"name":"Florida Entomologist","volume":"105 1","pages":"280 - 286"},"PeriodicalIF":1.4,"publicationDate":"2023-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44486708","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Conventional Maize vs. Organic-Polyculture Maize Agroecosystems: Low Abundance of Dalbulus maidis (Hemiptera: Cicadellidae) and High Plant Richness within the Organic System 常规玉米与有机复合栽培玉米农业生态系统:有机系统中的低丰度和高植物丰富度
IF 1.4 4区 农林科学
Florida Entomologist Pub Date : 2023-01-06 DOI: 10.1653/024.105.0411
G. Moya‐Raygoza
{"title":"Conventional Maize vs. Organic-Polyculture Maize Agroecosystems: Low Abundance of Dalbulus maidis (Hemiptera: Cicadellidae) and High Plant Richness within the Organic System","authors":"G. Moya‐Raygoza","doi":"10.1653/024.105.0411","DOIUrl":"https://doi.org/10.1653/024.105.0411","url":null,"abstract":"Summary The corn leafhopper Dalbulus maidis (DeLong), one of the most important pests of maize throughout Latin America, was found in greater numbers within conventional maize that received agrochemicals compared to the adults found within the organic-polyculture maize crop. This pattern is reported for first time in the present study in an organic-polyculture of maize. Sumario La chicharrita del maíz, Dalbulus maidis (DeLong), una de las plagas más importantes del maíz en América Latina, se encontró en gran abundancia dentro de maíz cultivado en forma convencional que recibieron agroquímicos comparado a los adultos encontrados dentro de un policultivo orgánico de maíz. Este patrón es reportado por primera vez en este estudio en un policultivo orgánico de maíz.","PeriodicalId":12297,"journal":{"name":"Florida Entomologist","volume":"105 1","pages":"321 - 322"},"PeriodicalIF":1.4,"publicationDate":"2023-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42126984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
December 2022 Florida Entomological Society Corporate and Sustaining Members 2022年12月佛罗里达昆虫学会法人和长期会员
IF 1.4 4区 农林科学
Florida Entomologist Pub Date : 2023-01-06 DOI: 10.1653/024.105.0414
{"title":"December 2022 Florida Entomological Society Corporate and Sustaining Members","authors":"","doi":"10.1653/024.105.0414","DOIUrl":"https://doi.org/10.1653/024.105.0414","url":null,"abstract":"","PeriodicalId":12297,"journal":{"name":"Florida Entomologist","volume":"105 1","pages":"327 - 327"},"PeriodicalIF":1.4,"publicationDate":"2023-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67431138","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Abundance of Tended and Non-Tended Dalbulus Leafhoppers (Hemiptera: Cicadellidae) and their Parasitoids within the Gamagrass Tripsacum Habitat 甘草生境中有照料和无照料的飞蛾叶蝉及其寄生蜂的丰度
IF 1.4 4区 农林科学
Florida Entomologist Pub Date : 2023-01-06 DOI: 10.1653/024.105.0405
G. Moya‐Raygoza, Nubia M. Chacón-Torres
{"title":"Abundance of Tended and Non-Tended Dalbulus Leafhoppers (Hemiptera: Cicadellidae) and their Parasitoids within the Gamagrass Tripsacum Habitat","authors":"G. Moya‐Raygoza, Nubia M. Chacón-Torres","doi":"10.1653/024.105.0405","DOIUrl":"https://doi.org/10.1653/024.105.0405","url":null,"abstract":"Abstract The present study evaluated the abundance of tended and non-tended Dalbulus DeLong (Hemiptera: Cicadellidae) sp. leafhoppers and their parasitoids. A field study was conducted in the gamagrass Tripsacum dactyloides (L.) L. (Poaceae) habitat, where the mutualistic association between the leafhopper Dalbulus quinquenotatus DeLong & Nault (Hemiptera: Cicadellidae) and its tending ant Brachymyrmex obscurior (Forel) (Hymenoptera: Formicidae) occurs. Yellow sticky card traps were used to determine the abundance of Dalbulus leafhoppers and their parasitoids in this habitat. The results showed that D. quinquenotatus was the most abundant leafhopper, whereas Dalbulus gelbus DeLong and the corn leafhopper Dalbulus maidis (DeLong) (both Hemiptera: Cicadellidae), both non-tended species, were least abundant. Three egg parasitoid wasp species were identified: Anagrus naulti Triapitsyn & Moya-Raygoza (Hymenoptera: Mymaridae), which was the most abundant of the trapped parasitoids, and Paracentrobia Howard sp., and Pseudoligosita Girault sp. (both Hymenoptera: Trichogrammatidae). The parasitoids that inhabit the wild Tripsacum habitat are important to conserve due to their potential as biological control agents against corn leafhopper pests. Resumen En este estudio se evaluó la abundancia de atendidas y no atendidas chicharritas del genero Dalbulus y sus parasitoides. Un trabajo de campo fue conducido en el hábitat de Tripsacum dactyloides, donde la asociación de mutualismo entre la chicharrita Dalbulus quinquenotatus Delong & Nault (Hemiptera: Cicadellidae) y sus hormigas Brachymyrmex obscurior (Forel) (Hymenoptera: Formicidae) ocurre. Trampas amarillas pegajosas fueron usadas para determinar la abundancia de Dalbulus y sus parasitoides en este hábitat. Los resultados mostraron que la chicharrita D. quinquenotatus fue la más abundante, mientras que Dalbulus gelbus Delong y la chicharrita del maíz D. maidis (Delong), ambas no atendidas, fueron menos abundantes. Tres especies de avispas parasitoides de huevos fueron identificados: Anagrus naulti Triapitsyn & Moya-Raygoza (Hymenoptera: Mymaridae), la cual fue la más abundante de los parasitoides colectados, y Paracentrobia sp., and Pseudoligosita sp. (ambos Hymenoptera: Trichogrammatidae). Los parasitoides que habitan en el hábitat natural de Tripsacum son importante consérvalos debido a su potencial como agentes de control biológico contra chicharritas plagas del maíz.","PeriodicalId":12297,"journal":{"name":"Florida Entomologist","volume":"105 1","pages":"295 - 297"},"PeriodicalIF":1.4,"publicationDate":"2023-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45016329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prey Preference of Chrysoperla rufilabris (Neuroptera: Chrysopidae) between Immature Stages of Microtheca ochroloma (Coleoptera: Chrysomelidae) and Myzus persicae (Hemiptera: Aphididae) 紫茧蝶(神经翅目:茧蜂科)与桃蚜(半翅目:蚜科)幼嫩期对猎物的偏好
IF 1.4 4区 农林科学
Florida Entomologist Pub Date : 2023-01-06 DOI: 10.1653/024.105.0402
Angie A. Niño, R. Cave
{"title":"Prey Preference of Chrysoperla rufilabris (Neuroptera: Chrysopidae) between Immature Stages of Microtheca ochroloma (Coleoptera: Chrysomelidae) and Myzus persicae (Hemiptera: Aphididae)","authors":"Angie A. Niño, R. Cave","doi":"10.1653/024.105.0402","DOIUrl":"https://doi.org/10.1653/024.105.0402","url":null,"abstract":"Abstract The prey preference of larvae of the green lacewing, Chrysoperla rufilabris Burmeister (Neuroptera: Chrysopidae), for consuming eggs and first instars of the yellowmargined leaf beetle, Microtheca ochroloma Stål (Coleoptera: Chrysomelidae), and nymphs of the green peach aphid, Myzus persicae (Sulzer) (Hemiptera: Aphididae), was investigated in 2 laboratory experiments in 2012. When beetle eggs at the base of the plant or on the soil and beetle larvae on the foliage were offered to the predator on bok choy plants (Brassica rapa L.; Brassicaceae), C. rufilabris larvae killed 5.3 times more beetle larvae than eggs, likely due to prey location. Killed eggs were located on the base of the plant; no eggs placed on the soil, close to the base of the plant, were killed or damaged. In the simple environment of a Petri dish, the predator showed a 5.2-fold preference for aphids over M. ochroloma eggs and larvae presented separately. When 3 prey options were presented, first instar C. rufilabris killed 4.8 times more M. persicae nymphs than beetle eggs and 3.8 times more nymphs than beetle larvae. The killing rate of M. ochroloma eggs and larvae by C. rufilabris decreased about 73% when M. persicae nymphs were present. When only eggs and larvae of M. ochroloma were offered in Petri dishes, the predator did not exhibit any prey preference. Although C. rufilabris displayed a prey preference for M. persicae nymphs over immature M. ochroloma in the laboratory, it is important to evaluate the predation on these 2 types of prey in the field. Resumen Se investigó, en dos experimentos de laboratorio en 2012, la preferencia depredadora de larvas de la crisopa verde Chrysoperla rufilabris Burmeister (Neuroptera: Chrysopidae) para consumir los huevos y primeros estadíos del escarabajo del margen amarillo, Microtheca ochroloma Stål (Coleoptera: Chrysomelidae), y las ninfas del áfido verde del melocotero, Myzus persicae (Sulzer) (Hemiptera: Aphididae). Cuando se ofrecieron huevos del escarabajo en la base de la planta o encima del suelo y larvas del escarabajo encima del follaje al depredador en plantas de bok choy (Brassica rapa L.; Brassicaceae), C. rufilabris mató 5.3 veces más larvas que huevos, probablemente debido a la ubicación de la presa. Los huevos muertos se ubicaron en la base de la planta; ningún huevo encima del suelo, cerca de la base de la planta, fue depredado ni dañado. En el entorno simple de un plato Petri, el depredador tuvo una preferencia 5.2 veces mayor para áfidos sobre huevos y larva de M. ochroloma presentados separadamente. Cuando se presentaron tres opciones de presas, C. rufilabris de primer estadío mató 4.8 veces más ninfas de M. persicae que huevos del escarabajo y 3.8 veces más ninfas que larvas de escarabajo. La tasa de mortalidad de huevos y larvas de M. ochroloma por C. rufilabris disminuyó cerca de 73% cuando las ninfas de M. persicae estuvieron presentes. Cuando se ofrecieron solamente huevos y larvas de M. ochroloma en plat","PeriodicalId":12297,"journal":{"name":"Florida Entomologist","volume":"105 1","pages":"275 - 279"},"PeriodicalIF":1.4,"publicationDate":"2023-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46937777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A Portable Chamber for Experimental Observations of Bactericera Cockerelli on Plant Seedlings and Leaves 可卡氏杆菌对植物幼苗和叶片的便携式实验观察室
IF 1.4 4区 农林科学
Florida Entomologist Pub Date : 2023-01-06 DOI: 10.1653/024.105.0412
Carolina Delgado-Luna, Álvaro Romero-Castillo, E. Cerna-Chávez, S. Sanchez-Peña
{"title":"A Portable Chamber for Experimental Observations of Bactericera Cockerelli on Plant Seedlings and Leaves","authors":"Carolina Delgado-Luna, Álvaro Romero-Castillo, E. Cerna-Chávez, S. Sanchez-Peña","doi":"10.1653/024.105.0412","DOIUrl":"https://doi.org/10.1653/024.105.0412","url":null,"abstract":"Summary We describe a portable, economical plastic chamber for observations on development and reproduction of potato-tomato psyllid, Bactericera cockerelli for up to a few wk on plant material under controlled conditions. It can be used for other insects as well. Sumario Se describe una cámara de plástico portátil y económica para observaciones durante semanas del desarrollo y reproducción de el psílido de la papa y tomate, Bactericera cockerelli en material vegetal bajo condiciones controladas. Esta cámara también se puede utilizar para otros insectos.","PeriodicalId":12297,"journal":{"name":"Florida Entomologist","volume":"105 1","pages":"323 - 325"},"PeriodicalIF":1.4,"publicationDate":"2023-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47702778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New Report of the Exotic Species Megalurothrips usitatus (Thysanoptera: Thripidae) Infesting Three Commercial Legumes in Nayarit, Mexico 墨西哥纳亚里特三种商业豆科植物感染外来物种巨翅目(Thysanoptera:Thripidae)的新报告
IF 1.4 4区 农林科学
Florida Entomologist Pub Date : 2023-01-06 DOI: 10.1653/024.105.0409
O.J. Cambero Campos, Agustín Cambero Monroy, Jesús Alexander Rodríguez Arrieta, A. Bermúdez, Braulio Alberto Lemus Soriano, C. R. Velasco, Ángel Ignacio Zamora Landa, Mario Orlando Estrada Virgen
{"title":"New Report of the Exotic Species Megalurothrips usitatus (Thysanoptera: Thripidae) Infesting Three Commercial Legumes in Nayarit, Mexico","authors":"O.J. Cambero Campos, Agustín Cambero Monroy, Jesús Alexander Rodríguez Arrieta, A. Bermúdez, Braulio Alberto Lemus Soriano, C. R. Velasco, Ángel Ignacio Zamora Landa, Mario Orlando Estrada Virgen","doi":"10.1653/024.105.0409","DOIUrl":"https://doi.org/10.1653/024.105.0409","url":null,"abstract":"Summary The bean flower thrips, Megalurothrips usitatus (Bagnall) (Thysanoptera: Thripidae) is native from Asia and is a well-known pest of legumes such as common bean (Phaseolus vulgaris L.), cowpea (Vigna unguiculata [L.] Walp.), pea (Pisum sativum L.), and lima bean (Phaseolus limensis Macf.) (all Fabaceae). This thrips species has been recorded recently in the Americas (USA and Cuba). Before this study there were no records of M. usitatus in Mexico; this work is the first report of M. usitatus in Mexico. We found this species attacking common beans, jicama, and cowpeas in Nayarit State. In cowpeas, it reduced production by at least 60%. The highest population was observed in jicama but no evidence of severe damage or yield loss was documented; however, the potential damage on the seed production should be evaluated. Authorities, researchers, extension agents, and growers should work together to prevent the dispersal of this pest, which may infest other economically important legumes. Chances of controlling or eradicating M. usitatus in the region are minimal if no effective alternatives are available in the short term. Sumario El trips de la flor del frijol, Megalurothrips usitatus (Bagnall) (Thysanoptera: Thripidae) es originario de Asia y es una conocida plaga de leguminosas como el frijol común (Phaseolus vulgaris L.), el caupí (Vigna unguiculata [L.] Walp.), guisante (Pisum sativum L.) y frijol lima (Phaseolus limensis Macf.) (todas Fabaceae). Esta especie de trips ha sido registrada recientemente en las Américas (EE.UU. y Cuba). Antes de este estudio no había registros de M. usitatus en México; este trabajo es el primer reporte de M. usitatus en México. Encontramos esta especie atacando frijol común, jícama y caupí en el estado de Nayarit. En caupí, redujo la producción en al menos un 60%. La población más alta se observó en jícama pero no se documentó evidencia de daño severo o pérdida de rendimiento; sin embargo, se debe evaluar el daño potencial sobre la producción de semillas. Las autoridades, investigadores, extensionistas y productores deben trabajar juntos para evitar la dispersión de esta plaga, que puede infestar otras leguminosas económicamente importantes. Las posibilidades de controlar o erradicar M. usitatus en la región son mínimas si no se dispone de alternativas eficaces a corto plazo.","PeriodicalId":12297,"journal":{"name":"Florida Entomologist","volume":"105 1","pages":"316 - 318"},"PeriodicalIF":1.4,"publicationDate":"2023-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42017661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Characterization of Hellula phidilealis (Lepidoptera: Pyralidae) Larval Instars by Application of the Dyar Rule 应用Dyar法则鉴定黄翅小蛾幼虫龄
IF 1.4 4区 农林科学
Florida Entomologist Pub Date : 2023-01-06 DOI: 10.1653/024.105.0408
Omar Hernández-Romero, Néstor Bautista-Martínez;, Lauro Soto-Rojas, J. Romero-Nápoles, Clemente de Jesús García–Ávila
{"title":"Characterization of Hellula phidilealis (Lepidoptera: Pyralidae) Larval Instars by Application of the Dyar Rule","authors":"Omar Hernández-Romero, Néstor Bautista-Martínez;, Lauro Soto-Rojas, J. Romero-Nápoles, Clemente de Jesús García–Ávila","doi":"10.1653/024.105.0408","DOIUrl":"https://doi.org/10.1653/024.105.0408","url":null,"abstract":"Summary Hellula phidilealis (Walker) (Lepidoptera: Pyralidae) is a species associated with cultivation of crucifers. The damage it produces depends on the phenological stage of the plants, its population density, and the instar in which it is found. For this reason, it is important to identify the instars of the species to contribute to defining management tactics focused on its control in hosts of economic importance. The Dyar rule establishes that the width of the cephalic capsule of the larvae increases at a regular geometric progression. The objective of this study was to determine the rates of increase in the size of the cephalic capsules to determine the number of larval instars of H. phidilealis. Because it is a species that has recently acquired importance in Mexico, it is necessary to conduct basic research to determine its biology to enable implementation of appropriate management tactics for each instar. To obtain the images, a Carl Zeiss® (SteREO Discovery V.20) microscope equipped with a Canon® (EOS 50D) camera was used, and JPEG images were captured for later measurement with the program Image J (v. 1.53e). The larval instars of H. phidilealis were adjusted to the Dyar rule (R2 = 0.9639) with a change rate of 0.50, 0.58, 0.92, and 0.54 for instars L2, L3, L4, and L5, respectively; the average of the rates was 0.63. Sumario Hellula phidilealis (Walker) (Lepidoptera: Pyralidae) es una especie asociada con el cultivo de crucíferas, el daño que produce depende de la etapa fenológica de las plantas, la densidad poblacional y del ínstar en el que se encuentre. Por lo anterior, es de importancia identificar los ínstares de esta especie, lo que coadyuvará a definir las tácticas de manejo enfocadas para su control en hospedantes de importancia económica. La Ley de Dyar establece que la anchura de las cápsulas cefálica de las larvas, se incrementa de acuerdo con una progresión geométrica regular. El objetivo de este trabajo fue determinar las tasas de incremento en el tamaño de las cápsulas cefálicas para determinar el número de ínstares larvales de H. phidilealis. Al ser una especie que recientemente ha adquirido importancia en México, es necesario desarrollar investigación básica que permita conocer la biología de la plaga para implementar las tácticas de manejo pertinentes para cada ínstar. Para la obtención de imágenes, se utilizó un microscopio Carl Zeiss ® (SteREO Discovery V.20) acondicionado con una cámara Canon® (EOS 50D); se capturaron imágenes JPEG de cada espécimen para su posterior medición con el programa Image J (v. 1.53e). Los ínstares larvales de H. phidilealis se ajustaron a la Regla de Dyar (R2 = 0.9639) con una tasa de cambio de 0.50, 0.58, 0.92, y 0.54 para los ínstares L2, L3, L4, y L5, respectivamente, el promedio de las tasas fue de 0.63.","PeriodicalId":12297,"journal":{"name":"Florida Entomologist","volume":"105 1","pages":"313 - 315"},"PeriodicalIF":1.4,"publicationDate":"2023-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41646243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Book Review 书评
IF 1.4 4区 农林科学
Florida Entomologist Pub Date : 2023-01-06 DOI: 10.1653/024.105.0413
Shiala M. Naranjo, R. Mallinger
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引用次数: 0
Incidence of Delia platura (Meigen) (Diptera: Anthomyiidae) in Onion and Scallion Crops in Mexico 墨西哥洋葱和葱花作物中斑蝇的发生(双翅目:花蝇科)
IF 1.4 4区 农林科学
Florida Entomologist Pub Date : 2023-01-06 DOI: 10.1653/024.105.0410
M. A. Tejeda-Reyes, Alejandro Guillermo Rojas-Rosales, C. Illescas-Riquelme, A. Hernández-Juárez
{"title":"Incidence of Delia platura (Meigen) (Diptera: Anthomyiidae) in Onion and Scallion Crops in Mexico","authors":"M. A. Tejeda-Reyes, Alejandro Guillermo Rojas-Rosales, C. Illescas-Riquelme, A. Hernández-Juárez","doi":"10.1653/024.105.0410","DOIUrl":"https://doi.org/10.1653/024.105.0410","url":null,"abstract":"Summary This study reports the incidence of the seedcorn maggot, or bean seed fly, Delia platura (Meigen) (Diptera: Anthomyiidae), as a primary pest in commercial onion and scallion plantations in Puebla, Mexico. The larvae feed on the bulbs and the basal part of leaves. We found incidences of 5 to 52% of plants in commercial fields damaged by larvae. Sumario En el presente estudio se reporta la incidencia del gusano de la semilla del maíz, o mosca de la semilla del frijol, Delia platura (Meigen) (Diptera: Anthomyiidae), como plaga primaria en plantaciones. Las larvas se alimentan de los bulbos y de la parte basal de las hojas. Se encontraron incidencias del 5 al 52% de plantas dañadas por larvas en plantaciones comerciales.","PeriodicalId":12297,"journal":{"name":"Florida Entomologist","volume":"105 1","pages":"319 - 320"},"PeriodicalIF":1.4,"publicationDate":"2023-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43351687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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