Neotropical Entomology最新文献

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Aggregative Infestation of Nine Bostrichidae Species on the Madagascar Almond Tree, Terminalia neotaliala Capuron (Myrtales: Combretaceae). 马达加斯加杏树上9种乳蝇科昆虫的聚集侵染(桃金娘科)。
IF 1.4 3区 农林科学
Neotropical Entomology Pub Date : 2025-02-11 DOI: 10.1007/s13744-025-01249-7
Xiao-Lu Cao, Li Yu, Jian-Song Wei, Qiu-Hong Tao, Qian Lu, Wan-Xuan Wei, Xia-Lin Zheng
{"title":"Aggregative Infestation of Nine Bostrichidae Species on the Madagascar Almond Tree, Terminalia neotaliala Capuron (Myrtales: Combretaceae).","authors":"Xiao-Lu Cao, Li Yu, Jian-Song Wei, Qiu-Hong Tao, Qian Lu, Wan-Xuan Wei, Xia-Lin Zheng","doi":"10.1007/s13744-025-01249-7","DOIUrl":"10.1007/s13744-025-01249-7","url":null,"abstract":"<p><p>Bostrichid beetles are well-known pests of wood and wood products in the world. The Madagascar almond tree, Terminalia neotaliala Capuron (Myrtales: Combretaceae), is uniquely layered and has been introduced and cultivated across several continents, where it is commonly used in urban landscape projects. To assess the damage caused by bostrichid beetles to T. neotaliala, the damage status of T. neotaliala, the classification of bostrichid beetles, and their vertical distribution on host plants were investigated. The primary site of infestation by bostrichid beetles on T. neotaliala living trees was the lateral branches in the fields with the damage symptoms, including unseasonable yellowed leaves, branch breakage, or eventual death of the entire lateral branch. The total percentage of attacked plants was 9.53%. Significant positive correlations existed between the percentage of attacked plants and the diameter at breast height and crown width, but not with the tree height. The percentage of damage by bostrichid beetles to T. neotaliala reached level I and level II over the 2-year observation. A total of nine species from four genera of Bostrichidae infested the T. neotaliala, i.e., Sinoxylon eucerum Lesne, S. flabrarius Lesne, S. japonicum Lesne, S. mangiferae Chûjô, S. pygmaeum Lesne, S. tignarium Lesne, Xylocis tortilicornis Lesne, Xylodectes ornatus (Lesne), and Xylopsocus capucinus (Fabricius). There were no distinct differences in the total number of Bostrichidae species on different crown layers of T. neotaliala, and no significant correlations between the total number of species and individuals, and the number of individuals of each species and the measurements of plants (i.e., diameter at breast height, crown width, and tree height). Our findings provide essential information for the development, implementation and monitoring of effective control strategies against bostrichid beetles on T. neotaliala.</p>","PeriodicalId":19071,"journal":{"name":"Neotropical Entomology","volume":"54 1","pages":"36"},"PeriodicalIF":1.4,"publicationDate":"2025-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143399629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Plant Oil Nano-Emulsions as a Potential Solution for Pest Control in Sustainable Agriculture. 植物油纳米乳液作为可持续农业害虫防治的潜在解决方案。
IF 1.4 3区 农林科学
Neotropical Entomology Pub Date : 2025-01-30 DOI: 10.1007/s13744-024-01243-5
Amany D Abd-Elnabi, Elham Abdel Fattah El-Sawy, Mohamed E I Badawy
{"title":"Plant Oil Nano-Emulsions as a Potential Solution for Pest Control in Sustainable Agriculture.","authors":"Amany D Abd-Elnabi, Elham Abdel Fattah El-Sawy, Mohamed E I Badawy","doi":"10.1007/s13744-024-01243-5","DOIUrl":"10.1007/s13744-024-01243-5","url":null,"abstract":"<p><p>The increasing demand for sustainable and eco-friendly pest control methods has led to a growing interest in the development of novel, plant-based pesticides. In this study, we investigated the potential of nano-emulsions containing plant oils (Portulaca oleracea, Raphanus sativus, and Rosmarinus officinalis) as a new approach for controlling three major pests: Aphis gossypii, Spodoptera littoralis, and Tetranychus urticae. Using ultrasonication, we prepared stable and uniform nano-emulsions characterized by thermodynamic properties, dynamic light scattering (DLS), and transmission electron microscopy (TEM). The results showed that the nano-emulsions were effective in controlling the three pests, with the most potent activity observed against Aphis gossypii. Our findings suggest that plant oil nano-emulsions have the potential to be used as a sustainable and eco-friendly alternative to traditional pesticides. The use of these nano-emulsions could provide a new approach to manage pest populations, reducing the environmental impact of pesticide use, and promoting sustainable agriculture.</p>","PeriodicalId":19071,"journal":{"name":"Neotropical Entomology","volume":"54 1","pages":"35"},"PeriodicalIF":1.4,"publicationDate":"2025-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11782356/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143066569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Low Abundance of Regular Pollinators and Indirect Competitive Effects of Dominant Small Bees Negatively Affect Passion Fruit Pollination in Smallholder Croplands. 普通传粉媒介的低丰度和优势小蜂的间接竞争效应对小农农田百香果授粉产生负面影响。
IF 1.4 3区 农林科学
Neotropical Entomology Pub Date : 2025-01-29 DOI: 10.1007/s13744-025-01247-9
Rafaela M Assunção, Luan S Souza, Nícholas F Camargo, Antonio J C Aguiar, Edison R Sujii, Carmen S S Pires, Pedro H B Togni
{"title":"Low Abundance of Regular Pollinators and Indirect Competitive Effects of Dominant Small Bees Negatively Affect Passion Fruit Pollination in Smallholder Croplands.","authors":"Rafaela M Assunção, Luan S Souza, Nícholas F Camargo, Antonio J C Aguiar, Edison R Sujii, Carmen S S Pires, Pedro H B Togni","doi":"10.1007/s13744-025-01247-9","DOIUrl":"10.1007/s13744-025-01247-9","url":null,"abstract":"<p><p>Land-use changes have led to natural habitat loss and fragmentation, favoring the occurrence of dominant bee species in agroecosystems. This has raised concerns on the dominance effects in pollination-dependent crops like passion fruits (Passiflora edulis Sims) in tropical regions. That is because dominant bee species might overlap their foraging time with regular pollinators, potentially impairing crop yield. Our aim was to understand how dominant small bees affect regular pollinators of passion fruit flowers and its implications on crop production for smallholder farmers. We sampled bees on farms cropping yellow passion fruits in the Cerrado, the Brazilian savanna, and established pollination exclusion experiments to evaluate the interacting effects of dominance and bee community composition on crop yield. We observed a low frequency of regular pollinators, while dominant floral visitors were highly abundant. Dominant pollinators highly overlapped their foraging activity with regular pollinators through time. Contrary to our expectations, the dominance of native and non-native bee species did not directly affect the occurrence of regular pollinators nor crop yield. However, we found evidence that exploitative competition may indirectly affect pollination by regular pollinators. Manual and bee pollination combined increased fruit quality, highlighting the potential benefits of diverse pollinator communities for sustainable crop production. Our findings emphasize the need for strategies that can improve the quality and abundance of resources in agroecosystems for regular native pollinators to optimize pollination in passion fruits on smallholder farms and reduce dominance effects caused by small floral-visiting bees.</p>","PeriodicalId":19071,"journal":{"name":"Neotropical Entomology","volume":"54 1","pages":"32"},"PeriodicalIF":1.4,"publicationDate":"2025-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143066433","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Ariasa iporaensis n. sp. (Hemiptera: Cicadidae: Cicadinae: Fidicinini): An Uncommon Brazilian Dry Season Cicada.
IF 1.4 3区 农林科学
Neotropical Entomology Pub Date : 2025-01-29 DOI: 10.1007/s13744-024-01235-5
Douglas Henrique Bottura Maccagnan, Allen F Sanborn, Marco Antônio Pereira de Sá, Camila Aline Romano
{"title":"Ariasa iporaensis n. sp. (Hemiptera: Cicadidae: Cicadinae: Fidicinini): An Uncommon Brazilian Dry Season Cicada.","authors":"Douglas Henrique Bottura Maccagnan, Allen F Sanborn, Marco Antônio Pereira de Sá, Camila Aline Romano","doi":"10.1007/s13744-024-01235-5","DOIUrl":"10.1007/s13744-024-01235-5","url":null,"abstract":"<p><p>The cicada Ariasa iporaensis n. sp. is described. This new species of cicada stands out from others in the Brazilian Cerrado because the adults are present throughout the dry season. Notes on the acoustic behavior, oviposition, exuvia morphology, and emergence patterns are provided. An updated key to the species of Ariasa Distant, 1905 is also provided.</p>","PeriodicalId":19071,"journal":{"name":"Neotropical Entomology","volume":"54 1","pages":"33"},"PeriodicalIF":1.4,"publicationDate":"2025-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143066462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
The Role of Gut Microbiota in Shaping Immune Responses in Tephritidae Fruit Fly and Prospective Implications for Management. 肠道微生物群在形成绦虫科果蝇免疫反应中的作用及其管理的前瞻性意义。
IF 1.4 3区 农林科学
Neotropical Entomology Pub Date : 2025-01-29 DOI: 10.1007/s13744-025-01248-8
Kamran Haider, Muhammad Sufian, Dilawar Abbas, Kamil Kabir, Muhammad Shamekh Ali, Yasmin Kausar, Muhammad Adeel Ghafar
{"title":"The Role of Gut Microbiota in Shaping Immune Responses in Tephritidae Fruit Fly and Prospective Implications for Management.","authors":"Kamran Haider, Muhammad Sufian, Dilawar Abbas, Kamil Kabir, Muhammad Shamekh Ali, Yasmin Kausar, Muhammad Adeel Ghafar","doi":"10.1007/s13744-025-01248-8","DOIUrl":"10.1007/s13744-025-01248-8","url":null,"abstract":"<p><p>The interaction of microbial communities with host immunity has become one of the most explored research areas with significant implications for pest control strategies. It has been found that the gut microbiota plays substantial roles in immune response regulation and host-gut microbiome symbiosis, as well as in pathogen resistance and overall fitness in Tephritidae fruit flies that are major pests of agricultural importance. In this review, we discuss the modulation of immune responses of Tephritidae fruit flies by the gut microbiota with particular emphasis on the general interactions between microbiota and the immune system. These interactions help to unravel new horizons of pest management. Regulating gut microbiota modifies the performance of biological control agents and SIT and allows the creation of microbial therapies that affect the vital physiological functions of fruit flies. Besides, deploying microbes that can modulate the immune response and using microbial-derived signals provide an eco-friendly and more sustainable way of eradicating chemical pesticides and making farming systems less susceptible to climatic variability. This paper reviews various aspects of the possibility of using gut microbiota for changing the approach to Integrated Pest Management (IPM) programs that would improve methods of controlling Tephritidae fruit fly populations more ecologically.</p>","PeriodicalId":19071,"journal":{"name":"Neotropical Entomology","volume":"54 1","pages":"34"},"PeriodicalIF":1.4,"publicationDate":"2025-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143066571","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Morphological Phylogeny of Dactylomyia Aldrich, 1894 (Diptera: Dolichopodidae: Neurigoninae), with Proposal of a New Synonym and Description of Five New Species. 1894年长尾尾蝇的形态系统发育(双翅目:长尾尾蝇科:长尾尾蝇科)及一新名的提出和五新种的描述。
IF 1.4 3区 农林科学
Neotropical Entomology Pub Date : 2025-01-29 DOI: 10.1007/s13744-024-01218-6
Lucas Quevedo, Renato S Capellari, Carlos José E Lamas
{"title":"Morphological Phylogeny of Dactylomyia Aldrich, 1894 (Diptera: Dolichopodidae: Neurigoninae), with Proposal of a New Synonym and Description of Five New Species.","authors":"Lucas Quevedo, Renato S Capellari, Carlos José E Lamas","doi":"10.1007/s13744-024-01218-6","DOIUrl":"10.1007/s13744-024-01218-6","url":null,"abstract":"<p><p>Five new species of Dactylomyia Aldrich (Diptera: Dolichopodidae) are described from Brazil: Dactylomyia bipectinipes sp. nov. (Goiás, Mato Grosso do Sul, and Minas Gerais), D. corumba sp. nov. (Mato Grosso do Sul), D. ferrea sp. nov. (Minas Gerais), D. sevilhae sp. nov. (Distrito Federal), and D. tefe sp. nov. (Amazonas and Maranhão). An identification key to males of Dactylomyia is provided. A cladistic analysis using a morphology-based matrix with 40 characters and 15 terminal taxa (with representatives of Coeloglutini, Neurigonini, and all Dactylomyiini genera) was performed to investigate the phylogenetic relationships within Dactylomyia. The results support a monophyletic Dactylomyia as the sister-group of Naglisia Quevedo, Capellari & Lamas, as well as the synonymy of Dacylomyia with the monotypic genus Macrodactylomyia Naglis syn. nov.</p>","PeriodicalId":19071,"journal":{"name":"Neotropical Entomology","volume":"54 1","pages":"31"},"PeriodicalIF":1.4,"publicationDate":"2025-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143066558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Sexual Mosaicism and Teratogenesis in Simulium guianense s.l. and S. incrustatum s.l. (Diptera: Simuliidae), Onchocerciasis vectors, from Environmentally Impacted Areas in the Yanomami Indigenous Land, Brazil. 巴西亚诺马米土著环境影响区盘尾丝虫病媒介蝇蚋和盘尾丝虫病媒介蝇蚋的性嵌合和致畸
IF 1.4 3区 农林科学
Neotropical Entomology Pub Date : 2025-01-23 DOI: 10.1007/s13744-024-01246-2
Raquel de Andrade-Cesário, Arion Túlio Aranda, Óscar Sánchez Molina, Érika Silva do Nascimento-Carvalho, Marilza Maia-Herzog
{"title":"Sexual Mosaicism and Teratogenesis in Simulium guianense s.l. and S. incrustatum s.l. (Diptera: Simuliidae), Onchocerciasis vectors, from Environmentally Impacted Areas in the Yanomami Indigenous Land, Brazil.","authors":"Raquel de Andrade-Cesário, Arion Túlio Aranda, Óscar Sánchez Molina, Érika Silva do Nascimento-Carvalho, Marilza Maia-Herzog","doi":"10.1007/s13744-024-01246-2","DOIUrl":"10.1007/s13744-024-01246-2","url":null,"abstract":"<p><p>Sexual mosaics in Simuliidae members have been detected at low frequencies in various locations worldwide. These phenotypic expressions are expected in very small amounts in any natural insect population and may result from inherent individual formation factors, such as hormonal or external elements, i.e., environmental pollution and parasitism, both of which can disrupt sexual differentiation development processes. This study assessed a Simuliidae collection sampled as a result of the Brazilian focus on endemic onchocerciasis in the Yanomami Indigenous Land in 2013, 2014, 2017, and 2021. Some specimens exhibited morphological alterations comprising sexual mosaic and teratogenicity phenotypes. In total, three Simulium guianense Wise, 1911 s.l. and three S. incrustatum Lutz, 1910 s.l. specimens presenting significant sexual anomalies were observed, two of which were teratogenic. No specimens were found parasitized by nematodes. A detailed morphological description of each specimen is provided. This study suggests the importance of assessing and monitoring the environmental toxicity of the sampling area and potential associations between anomalous specimens and environmental pollution by mercury, as all specimens were found in mining-impacted areas. This is the first record of sexual mosaic and teratogeny in Simuliidae specimens from Brazil.</p>","PeriodicalId":19071,"journal":{"name":"Neotropical Entomology","volume":"54 1","pages":"30"},"PeriodicalIF":1.4,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143029236","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Antagonist Action of Endophytic Metarhizium anisopliae Isolates on Development, Reproduction, and Host Selection of Grass Bug in Bermudagrass. 内生绿僵菌对百慕大草草虫发育、繁殖及寄主选择的拮抗作用。
IF 1.4 3区 农林科学
Neotropical Entomology Pub Date : 2025-01-23 DOI: 10.1007/s13744-024-01237-3
Alessandra Tokarski, Luana Karolline Ribeiro, Guilherme Lopes Alves, Fabiana Lustosa Azevedo, Cristiane Nardi, Leandro do Prado Ribeiro
{"title":"Antagonist Action of Endophytic Metarhizium anisopliae Isolates on Development, Reproduction, and Host Selection of Grass Bug in Bermudagrass.","authors":"Alessandra Tokarski, Luana Karolline Ribeiro, Guilherme Lopes Alves, Fabiana Lustosa Azevedo, Cristiane Nardi, Leandro do Prado Ribeiro","doi":"10.1007/s13744-024-01237-3","DOIUrl":"10.1007/s13744-024-01237-3","url":null,"abstract":"<p><p>To understand the interactions of entomopathogenic fungi with forage plants and their influence on associated herbivorous, we evaluated the influence of endophytic colonization with three isolates (CEPAF_ENT 25, CEPAF_ENT 27, and IBCB 425) of Metarhizium anisopliae on Cynodon dactylon, regarding the biological and behavioral aspects of Collaria scenica, an emerging sucking pest in pastoral systems in Brazil. The application of suspensions at the base of plant (drench) was effective in promoting endophytic colonization, especially in the roots, with emphasis on isolates CEPAF_ENT25 and CEPAF_ENT27. Despite the significant reduction in damage caused by C. scenica observed in plants colonized with isolate CEPAF_ENT 27 in a choice test, our results indicated a limited influence of the isolates tested on the host selection behavior and in C. scenica development, including parameters of the fertility life table. The cluster analysis, however, indicated a significant difference between all isolates tested in terms of the chemical-bromatological composition and the levels of photosynthetic pigments in inoculated plants. The biplot analysis indicated that isolate CEPAF-ENT27 (most promising) showed a positive correlation with nitrogen, potassium, calcium, boron, copper, and zinc levels, as well as with chlorophyll a and b levels. Additionally, foliar magnesium levels were significantly higher in all isolates tested. Improvements in plant nutrition may increase tolerance in infested plants through compensation mechanisms, contributing to more resilient pastoral systems.</p>","PeriodicalId":19071,"journal":{"name":"Neotropical Entomology","volume":"54 1","pages":"29"},"PeriodicalIF":1.4,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143029233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Potential of Lambda-Cyhalothrin for Controlling the Black Armyworm Spodoptera cosmioides (Walker) (Lepidoptera: Noctuidae): Toxicity and Midgut Histopathological Effects. 高效氯氟氰菊酯防治黑粘虫(鳞翅目:夜蛾科)的毒性和中肠组织病理学效应。
IF 1.4 3区 农林科学
Neotropical Entomology Pub Date : 2025-01-23 DOI: 10.1007/s13744-024-01236-4
Francelina Aparecida Duarte Rocha, Luis Carlos Martinez, Bárbara Soares Amoroso Lima, Cliver Fernandes Farder-Gomes, Jamile Fernanda Silva Cossolin, Muhammad Babar Shahzad Afzal, José Eduardo Serrão
{"title":"Potential of Lambda-Cyhalothrin for Controlling the Black Armyworm Spodoptera cosmioides (Walker) (Lepidoptera: Noctuidae): Toxicity and Midgut Histopathological Effects.","authors":"Francelina Aparecida Duarte Rocha, Luis Carlos Martinez, Bárbara Soares Amoroso Lima, Cliver Fernandes Farder-Gomes, Jamile Fernanda Silva Cossolin, Muhammad Babar Shahzad Afzal, José Eduardo Serrão","doi":"10.1007/s13744-024-01236-4","DOIUrl":"10.1007/s13744-024-01236-4","url":null,"abstract":"<p><p>Caterpillars of the genus Spodoptera are the main pests in soybean and cotton crops and Spodoptera cosmioides causes more severe losses than other caterpillars in these agricultural crops. However, there are few recommended insecticides for controlling this pest. Lambda-cyhalothrin is a pyrethroid used to control a wide spectrum of arthropods including lepidopterans. Therefore, the objective of this study was to evaluate the potential of lambda-cyhalothrin for the control of S. cosmioides. Specifically, toxicity and histopathological changes in the midgut were evaluated. The effectiveness of the insecticide was determined by estimating the different lethal concentrations (LCs) ​​in the laboratory upon S. cosmioides. Lambda-cyhalothrin was found toxic to S. cosmioides (LC<sub>50</sub> = 23.03 mg L<sup>-1</sup> and LC<sub>90</sub> = 174.8 mg L<sup>-1</sup>), with the survival reduced from 83.33% in the control to 37.89%, 16.66%, 0%, and 0% after 72 h of exposure to the LC<sub>25</sub>, LC<sub>50</sub>, LC<sub>75</sub>, and LC<sub>90</sub> of lambda-cyhalothrin, respectively. Histopathological studies revealed that lambda-cyhalothrin caused damage to midgut cells, including epithelial disorganization, increased cytoplasmic vacuolization, brush border degeneration, nuclear chromatin condensation, and cell fragmentation, indicating cell death by apoptosis. It was concluded that lambda-cyhalothrin, a neurotoxic insecticide, caused damage to the midgut of S. cosmioides, compromising its physiology and indicating that it has potential to be used to control this pest.</p>","PeriodicalId":19071,"journal":{"name":"Neotropical Entomology","volume":"54 1","pages":"26"},"PeriodicalIF":1.4,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143029235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Diversity of hemipterans in Eucalyptus spp. plantations in southeastern pará, Eastern Amazon, Brazil. 巴西亚马逊东部par<s:1>东南部桉树人工林半翅目动物的多样性。
IF 1.4 3区 农林科学
Neotropical Entomology Pub Date : 2025-01-23 DOI: 10.1007/s13744-024-01227-5
Ivy Laura Siqueira Saliba Machado, Helton Bastos Machado, Gabriela Mayumi do Vale Sakuma, Alexandre Mehl Lunz, Gustavo Schwartz, Gledson Luiz Salgado Castro, Telma Fátima Vieira Batista
{"title":"Diversity of hemipterans in Eucalyptus spp. plantations in southeastern pará, Eastern Amazon, Brazil.","authors":"Ivy Laura Siqueira Saliba Machado, Helton Bastos Machado, Gabriela Mayumi do Vale Sakuma, Alexandre Mehl Lunz, Gustavo Schwartz, Gledson Luiz Salgado Castro, Telma Fátima Vieira Batista","doi":"10.1007/s13744-024-01227-5","DOIUrl":"10.1007/s13744-024-01227-5","url":null,"abstract":"<p><p>Brazil has 10.2 million hectares of reforestation, which account for 81% of the timber produced in the country. The order Hemiptera contains the main phytophagous species. The study of population surveys allows the analysis of faunal composition, resource availability, as well as potential pests in future plantations, contributing to sustainable pest management. The objective of this study was to evaluate the diversity of insects of the order Hemiptera in Eucalyptus spp. plantations in southeastern Pará, Eastern Amazon. Yellow adhesive traps were used to collect entomofauna, with 12 collections in total, (6) during the dry season and (6) during the rainy season. A total of 28 traps were installed in areas with clones of Eucalyptus urophylla, Eucalyptus grandis and Eucalyptus urograndis, in three municipalities in Pará. The insects collected were analyzed through the faunal indices of abundance,constancy, dominance and frequency, and diversity of Shanon and Pielou. Principal component analysis (PCA) revealed the families that most influenced the different climatic seasons and in the different clones of Eucalyptus spp. A total of 18.320 individuals were collected, distributed in 24 families. The greatest abundance was observed in the dry season, influencing the seasonality of the families that presented the highest faunal indices. Cicadellidae presented high indices in the three clones, highlighting the clone E. urograndis with the greatest diversity of insects and richness of families, during the dry season, which demonstrates the strong preference of the families for the season and for this species, and indicates a great risk of becoming a potential pest in future commercial plantations, monitoring and preventive actions are recommended to mitigate the impact of these species.</p>","PeriodicalId":19071,"journal":{"name":"Neotropical Entomology","volume":"54 1","pages":"28"},"PeriodicalIF":1.4,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143029234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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