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Inhibition of vertebrate complement system by hematophagous arthropods: inhibitory molecules, mechanisms, physiological roles, and applications. 噬血节肢动物对脊椎动物补体系统的抑制:抑制分子、机制、生理作用和应用。
IF 2.9 1区 农林科学
Insect Science Pub Date : 2024-10-01 Epub Date: 2024-01-21 DOI: 10.1111/1744-7917.13317
Mauricio Roberto Vianna Sant'Anna, Adalberto Alves Pereira-Filho, Antonio Ferreira Mendes-Sousa, Naylene Carvalho Sales Silva, Nelder Figueiredo Gontijo, Marcos Horácio Pereira, Leonardo Barbosa Koerich, Grasielle Caldas D'Avila Pessoa, John Andersen, Ricardo Nascimento Araujo
{"title":"Inhibition of vertebrate complement system by hematophagous arthropods: inhibitory molecules, mechanisms, physiological roles, and applications.","authors":"Mauricio Roberto Vianna Sant'Anna, Adalberto Alves Pereira-Filho, Antonio Ferreira Mendes-Sousa, Naylene Carvalho Sales Silva, Nelder Figueiredo Gontijo, Marcos Horácio Pereira, Leonardo Barbosa Koerich, Grasielle Caldas D'Avila Pessoa, John Andersen, Ricardo Nascimento Araujo","doi":"10.1111/1744-7917.13317","DOIUrl":"10.1111/1744-7917.13317","url":null,"abstract":"<p><p>In arthropods, hematophagy has arisen several times throughout evolution. This specialized feeding behavior offered a highly nutritious diet obtained during blood feeds. On the other hand, blood-sucking arthropods must overcome problems brought on by blood intake and digestion. Host blood complement acts on the bite site and is still active after ingestion, so complement activation is a potential threat to the host's skin feeding environment and to the arthropod gut enterocytes. During evolution, blood-sucking arthropods have selected, either in their saliva or gut, anticomplement molecules that inactivate host blood complement. This review presents an overview of the complement system and discusses the arthropod's salivary and gut anticomplement molecules studied to date, exploring their mechanism of action and other aspects related to the arthropod-host-pathogen interface. The possible therapeutic applications of arthropod's anticomplement molecules are also discussed.</p>","PeriodicalId":13618,"journal":{"name":"Insect Science","volume":" ","pages":"1334-1352"},"PeriodicalIF":2.9,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139512350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Dietary experience alters predatory behavior of two ladybird species on tomato potato psyllid. 饮食经验会改变两种瓢虫对番茄马铃薯蚜虫的捕食行为。
IF 2.9 1区 农林科学
Insect Science Pub Date : 2024-10-01 Epub Date: 2024-01-24 DOI: 10.1111/1744-7917.13328
Shovon Chandra Sarkar, Stephen Paul Milroy, Wei Xu
{"title":"Dietary experience alters predatory behavior of two ladybird species on tomato potato psyllid.","authors":"Shovon Chandra Sarkar, Stephen Paul Milroy, Wei Xu","doi":"10.1111/1744-7917.13328","DOIUrl":"10.1111/1744-7917.13328","url":null,"abstract":"<p><p>The tomato potato psyllid, Bactericera cockerelli, is an invasive pest in Australia, which can cause severe economic loss in the production of Solanaceous crops. As an invasive pest, B. cockerelli may also modify biotic interactions in Australian agricultural and native ecosystems. Resident generalist predators in an area may have the ability to utilize invasive pest species as prey but this will depend on their specific predatory behavior. The extent to which generalist predators learn from their previous dietary experience (i.e., whether they have used a particular species as prey before) and how this impacts subsequent prey choice will influence predator and prey population dynamics after invasion. In this study, one nonnative resident ladybird, Hippodamia variegata, and one native ladybird, Coccinella transversalis, were investigated. Dietary experience with B. cockerelli as a prey species significantly increased preference for the psyllid in a short term (6 h) Petri dish study where a choice of prey was given. Greater suppression of B. cockerelli populations by experienced ladybirds was also observed on glasshouse grown tomato plants. This was presumably due to altered prey recognition by experience. The result of this study suggest the potential to improve the impact of biological control agents on invasive pests by providing early life experience consuming the target species. It may prove valuable for developing improved augmentative release strategies for ladybirds to manage specific insect pest species.</p>","PeriodicalId":13618,"journal":{"name":"Insect Science","volume":" ","pages":"1579-1590"},"PeriodicalIF":2.9,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139545096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Insulin receptor participates in the peripheral olfactory processes of honey bees (Apis cerana cerana). 胰岛素受体参与蜜蜂(Apis cerana cerana)的外周嗅觉过程。
IF 2.9 1区 农林科学
Insect Science Pub Date : 2024-10-01 Epub Date: 2024-02-01 DOI: 10.1111/1744-7917.13330
Huiting Zhao, Longlong Chen, Miaomiao Liu, Shuguo Zhao, Weihua Ma, Yusuo Jiang
{"title":"Insulin receptor participates in the peripheral olfactory processes of honey bees (Apis cerana cerana).","authors":"Huiting Zhao, Longlong Chen, Miaomiao Liu, Shuguo Zhao, Weihua Ma, Yusuo Jiang","doi":"10.1111/1744-7917.13330","DOIUrl":"10.1111/1744-7917.13330","url":null,"abstract":"<p><p>Insulin receptors (InR) are an integral component of the insulin/insulin-like growth factor signaling pathway, which plays a vital role in insect development, lifespan, reproduction, and olfactory sensitivity. However, whether InR participate in the peripheral olfactory system of insects remains unclear. Recently, we found that 2-heptanone (2-HT) affects AcerInR expression, the gene for an InR protein, in Apis cerana cerana. We then examined the spatiotemporal expression profile of the gene in A. cerana cerana. The mRNA of AcerInR was primarily expressed in the antennae, wings, and legs of forager bees, which are probable chemosensory tissues. The results of fluorescence competitive binding assays, combined with site-directed mutagenesis, demonstrated that AcerOBP6 and AcerOBP14 exhibit strong binding affinities to 2-HT. Furthermore, after foragers were fed with double-stranded AcerInR, the expression levels of AcerOBP6 and AcerOBP14 decreased significantly, as did the electroantennogram responsiveness to 2-HT and some other odorants. In conclusion, our findings provide a foundation for understanding the involvement of AcerInR in the odor perception of A. cerana cerana. Moreover, they offer novel insights into the olfactory recognition mechanism in insects.</p>","PeriodicalId":13618,"journal":{"name":"Insect Science","volume":" ","pages":"1477-1488"},"PeriodicalIF":2.9,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139671697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Correction. 更正。
IF 2.9 1区 农林科学
Insect Science Pub Date : 2024-10-01 Epub Date: 2024-02-13 DOI: 10.1111/1744-7917.13331
{"title":"Correction.","authors":"","doi":"10.1111/1744-7917.13331","DOIUrl":"10.1111/1744-7917.13331","url":null,"abstract":"","PeriodicalId":13618,"journal":{"name":"Insect Science","volume":" ","pages":"1657-1660"},"PeriodicalIF":2.9,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139722411","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Building a reference indicator model using co-kriging interpolation to determine the geographical origin of the flighted spongy moth complex in China. 利用共克里格插值法建立参考指标模型,以确定中国飞羽海绵蛾复合体的地理起源。
IF 2.9 1区 农林科学
Insect Science Pub Date : 2024-10-01 Epub Date: 2024-02-22 DOI: 10.1111/1744-7917.13335
Zeshi Qin, Yixia Cao, Yan Wang, Jun Ding, Wujia Xia, Juan Shi
{"title":"Building a reference indicator model using co-kriging interpolation to determine the geographical origin of the flighted spongy moth complex in China.","authors":"Zeshi Qin, Yixia Cao, Yan Wang, Jun Ding, Wujia Xia, Juan Shi","doi":"10.1111/1744-7917.13335","DOIUrl":"10.1111/1744-7917.13335","url":null,"abstract":"<p><p>Using stable isotopes to detect and analyze the geographical origin of insects represents an important traceability technology, which requires a rich isotope database. In this study, we representatively sampled the Chinese provinces where flighted spongy moth complex (FSMC) has been reported and, for the first time, used co-kriging interpolation to predict the distribution patterns of FSMC δ<sup>13</sup>C values in the main distribution areas. From 2020 to 2022, we set up 60 traps in 12 provinces and cities in China and collected 795 FSMCs. Then, 6 main climatic factors were obtained by multi-collinearity screening from 21 types of meteorological data collected at the sample plots, and a correlation analysis was carried out by combining longitude, latitude, and altitude data with the δ<sup>13</sup>C values of FSMC. Next, we performed a co-kriging interpolation using the 2 climatic factors with the highest correlation (isothermality and altitude) and the δ<sup>13</sup>C values of FSMC. A cross-validation was performed to systematically test 11 candidate models and select the best semi-variogram model (\"Exponential\"), which was then used to build a co-kriging interpolation model. The geographical distribution patterns of the FSMC δ<sup>13</sup>C values obtained from the 2 interpolation models (i.e., interpolated with isothermality and altitude, respectively) were almost the same. Moreover, the δ<sup>13</sup>C values varied significantly at the regional scale, showing regular changes in spatial distribution. Overall, the reference indicator map of the δ<sup>13</sup>C values generated from stable isotopes can be used to greatly improve the efficiency of discrimination analyses on the geographical origin of FSMC.</p>","PeriodicalId":13618,"journal":{"name":"Insect Science","volume":" ","pages":"1603-1616"},"PeriodicalIF":2.9,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139931017","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Knickkopf (LmKnk) is required for chitin organization in the foregut of Locusta migratoria. Knickkopf (LmKnk) 是 Locusta migratoria 前肠几丁质组织所必需的。
IF 2.9 1区 农林科学
Insect Science Pub Date : 2024-10-01 Epub Date: 2024-01-12 DOI: 10.1111/1744-7917.13313
Rong-Rong Yu, Jia-Qi Duan, Xiao-Ming Zhao, Mureed Abbas, Yu-Ping Zhang, Xue-Kai Shi, Nan Chen, Jian-Zhen Zhang
{"title":"Knickkopf (LmKnk) is required for chitin organization in the foregut of Locusta migratoria.","authors":"Rong-Rong Yu, Jia-Qi Duan, Xiao-Ming Zhao, Mureed Abbas, Yu-Ping Zhang, Xue-Kai Shi, Nan Chen, Jian-Zhen Zhang","doi":"10.1111/1744-7917.13313","DOIUrl":"10.1111/1744-7917.13313","url":null,"abstract":"<p><p>The foregut, located at the front of the digestive tract, serves a vital role in insects by storing and grinding food into small particles. The innermost layer of the foregut known as the chitinous intima, comes into direct contact with the food and acts as a protective barrier against abrasive particles. Knickkopf (Knk) is required for chitin organization in the chitinous exoskeleton, tracheae and wings. Despite its significance, little is known about the biological function of Knk in the foregut. In this study, we found that LmKnk was stably expressed in the foregut, and highly expressed before molting in Locusta migratoria. To ascertain the biological function of LmKnk in the foregut, we synthesized specific double-stranded LmKnk (dsLmKnk) and injected it into locusts. Our findings showed a significant decrease in the foregut size, along with reduced food intake and accumulation of residues in the foregut after dsLmKnk injection. Morphological observations revealed that newly formed intima became thinner and lacked chitin lamella. Furthermore, fluorescence immunohistochemistry revealed that LmKnk was located in the apical region of new intima and epithelial cells. Taken together, this study provides insights into the biological function of LmKnk in the foregut, and identifies the potential target gene for exploring biological pest management strategies.</p>","PeriodicalId":13618,"journal":{"name":"Insect Science","volume":" ","pages":"1412-1424"},"PeriodicalIF":2.9,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139424692","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
BmSLC7A5 is essential for silk protein synthesis and larval development in Bombyx mori. BmSLC7A5 是蚕丝蛋白合成和幼虫发育所必需的。
IF 2.9 1区 农林科学
Insect Science Pub Date : 2024-10-01 Epub Date: 2024-01-29 DOI: 10.1111/1744-7917.13314
Xin Tang, Huawei Liu, Xin Wang, Li Chang, Qingsong Liu, Qingyou Xia, Ping Zhao
{"title":"BmSLC7A5 is essential for silk protein synthesis and larval development in Bombyx mori.","authors":"Xin Tang, Huawei Liu, Xin Wang, Li Chang, Qingsong Liu, Qingyou Xia, Ping Zhao","doi":"10.1111/1744-7917.13314","DOIUrl":"10.1111/1744-7917.13314","url":null,"abstract":"<p><p>Insects produce silk to form cocoons, nests, and webs, which are important for their survival and reproduction. However, little is known about the molecular mechanism of silk protein synthesis at the translation level. The solute carrier family 7 (SLC7) genes are involved in activating the target of rapamycin complex 1 (TORC1) signaling pathway and protein translation process, but the physiological roles of SLC7 genes in silk-producing insects have not been reported. Here, we found that amino acid signaling regulates silk protein synthesis and larval development via the L-type amino acid transporter 1 (LAT1; also known as SLC7A5) in Bombyx mori. A total of 12 SLC7 homologs were identified in the silkworm genome, among which BmSLC7A5 was found to be a silk gland-enriched gene and may be involved in leucine transport. Bioinformatics analysis indicated that SLC7A5 displays high homology and a close phylogenetic relationship in silk-producing insects. Subsequently, we found that leucine treatment significantly increased silk protein synthesis by improving the transcription and protein levels of silk genes. Furthermore, systemic and silk gland-specific knockout of BmSLC7A5 led to decreased silk protein synthesis by inhibiting TORC1 signaling, and somatic mutation also resulted in arrested development from the 5th instar to the early pupal stage. Altogether, our study reveals that BmSLC7A5 is involved in regulating silk protein synthesis and larval development by affecting the TORC1 signaling pathway, which provides a new strategy and target for improving silk yield.</p>","PeriodicalId":13618,"journal":{"name":"Insect Science","volume":" ","pages":"1425-1439"},"PeriodicalIF":2.9,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139570626","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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 endosymbiont Serratia symbiotica improves aphid fitness by disrupting the predation strategy of ladybeetle larvae. 共生沙雷氏菌内共生体通过破坏瓢虫幼虫的捕食策略来提高蚜虫的生存能力。
IF 2.9 1区 农林科学
Insect Science Pub Date : 2024-10-01 Epub Date: 2024-01-09 DOI: 10.1111/1744-7917.13315
Zheng-Wu Wang, Jin Zhao, Guang-Yun Li, Die Hu, Zi-Guo Wang, Chao Ye, Jin-Jun Wang
{"title":"The endosymbiont Serratia symbiotica improves aphid fitness by disrupting the predation strategy of ladybeetle larvae.","authors":"Zheng-Wu Wang, Jin Zhao, Guang-Yun Li, Die Hu, Zi-Guo Wang, Chao Ye, Jin-Jun Wang","doi":"10.1111/1744-7917.13315","DOIUrl":"10.1111/1744-7917.13315","url":null,"abstract":"<p><p>Aphids, the important global agricultural pests, harbor abundant resources of symbionts that can improve the host adaptability to environmental conditions, also control the interactions between host aphid and natural enemy, resulting in a significant decrease in efficiency of biological control. The facultative symbiont Serratia symbiotica has a strong symbiotic association with its aphid hosts, a relationship that is known to interfere with host-parasitoid interactions. We hypothesized that Serratia may also influence other trophic interactions by interfering with the physiology and behavior of major predators to provide host aphid defense. To test this hypothesis, we investigated the effects of Serratia on the host aphid Acyrthosiphon pisum and its predator, the ladybeetle Propylaea japonica. First, the prevalence of Serratia in different A. pisum colonies was confirmed by amplicon sequencing. We then showed that harboring Serratia improved host aphid growth and fecundity but reduced longevity. Finally, our research demonstrated that Serratia defends aphids against P. japonica by impeding the predator's development and predation capacity, and modulating its foraging behavior. Our findings reveal that facultative symbiont Serratia improves aphid fitness by disrupting the predation strategy of ladybeetle larvae, offering new insight into the interactions between aphids and their predators, and providing the basis of a new biological control strategy for aphid pests involving the targeting of endosymbionts.</p>","PeriodicalId":13618,"journal":{"name":"Insect Science","volume":" ","pages":"1555-1568"},"PeriodicalIF":2.9,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139402663","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Assessing genome-wide adaptations associated with range expansion in the pink rice borer, Sesamia inferens. 评估与粉红稻螟分布范围扩大相关的全基因组适应性。
IF 2.9 1区 农林科学
Insect Science Pub Date : 2024-10-01 Epub Date: 2024-01-11 DOI: 10.1111/1744-7917.13320
Hongran Li, Yan Peng, Chao Wu, Zhimin Li, Luming Zou, Kaikai Mao, Junfen Ping, Ryan Buck, Scott Monahan, Arun Sethuraman, Yutao Xiao
{"title":"Assessing genome-wide adaptations associated with range expansion in the pink rice borer, Sesamia inferens.","authors":"Hongran Li, Yan Peng, Chao Wu, Zhimin Li, Luming Zou, Kaikai Mao, Junfen Ping, Ryan Buck, Scott Monahan, Arun Sethuraman, Yutao Xiao","doi":"10.1111/1744-7917.13320","DOIUrl":"10.1111/1744-7917.13320","url":null,"abstract":"<p><p>Understanding the genetic basis of adaptive evolution following habitat expansion can have important implications for pest management. The pink rice borer (PRB), Sesamia inferens (Walker), is a destructive pest of rice that was historically restricted to regions south of 34° N latitude in China. However, with changes in global climate and farming practices, the distribution of this moth has progressively expanded, encompassing most regions in North China. Here, 3 highly differentiated subpopulations were discovered using high-quality single-nucleotide polymorphism and structural variant datasets across China, corresponding to northern, southern China regions, and the Yunnan-Guizhou Plateau, with significant patterns of isolation by geographic and environmental distances. Our estimates of evolutionary history indicate asymmetric migration with varying population sizes across the 3 subpopulations. Selective sweep analyses estimated strong selection at insect cuticle glycine-rich cuticular protein genes which are associated with enhanced desiccation adaptability in the northern group, and at the histone-lysine-N-methyltransferase gene associated with range expansion and local adaptation in the Shandong population. Our findings have significant implications for the development of effective strategies to control this pest.</p>","PeriodicalId":13618,"journal":{"name":"Insect Science","volume":" ","pages":"1617-1630"},"PeriodicalIF":2.9,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139416975","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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 clip cage conundrum: Assessing the interplay of confinement method and aphid genotype in fitness studies. 夹笼难题:在适应性研究中评估封闭方法和蚜虫基因型的相互作用。
IF 2.9 1区 农林科学
Insect Science Pub Date : 2024-10-01 Epub Date: 2024-01-16 DOI: 10.1111/1744-7917.13316
Laura Marcela Martinez-Chavez, Joe M Roberts, Alison J Karley, Bethan Shaw, Tom W Pope
{"title":"The clip cage conundrum: Assessing the interplay of confinement method and aphid genotype in fitness studies.","authors":"Laura Marcela Martinez-Chavez, Joe M Roberts, Alison J Karley, Bethan Shaw, Tom W Pope","doi":"10.1111/1744-7917.13316","DOIUrl":"10.1111/1744-7917.13316","url":null,"abstract":"<p><p>Behavior and fitness are important ecological traits frequently measured in insect bioassays. A common method to measure them in soft-bodied herbivorous insects involves confining individuals to plant leaves using clip cages. Although studies have previously highlighted the negative effects of clip cages on leaf physiology, little is known about the impact that using this confinement method has on insect fitness. The responses of different aphid genotypes/clones to different containment methods have not previously been investigated. Here we measured key fitness traits (intrinsic rate of natural increase, mean relative growth rate, time to reach reproductive adulthood and population doubling time) in the potato aphid, Macrosiphum euphorbiae Thomas (Hemiptera: Aphididae), when confined to plants using two methods: (1) clip cages to confine aphids to individual strawberry leaves and (2) a mesh bag to confine aphids to whole strawberry plants. Our study identified a strong negative impact on all the measured aphid fitness traits when using clip cages instead of mesh bags. We also identified genotype-specific differences in response to confinement method, where clip cage confinement differentially affected the fitness of a given aphid genotype compared to the same genotype on whole plants. These results suggest that clip cage use should be carefully considered when experiments seek to quantify insect fitness and that whole plants should be used wherever possible. Given the prevalence of clip cage use in insect bioassays, our results highlight the need for caution when interpreting the existing literature as confinement method significantly impacts aphid fitness depending on their genotype.</p>","PeriodicalId":13618,"journal":{"name":"Insect Science","volume":" ","pages":"1591-1602"},"PeriodicalIF":2.9,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139472375","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
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