Journal of Insect Science最新文献

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Application of noninvasive sampling technique in mitochondrial genome intraspecific phylogeny of the endangered butterfly, Teinopalpus aureus (Lepidoptera: Papilionidae). 非侵入性采样技术在濒危蝶类 Teinopalpus aureus(鳞翅目:蝶科)线粒体基因组种内系统发育中的应用。
IF 2.2 3区 农林科学
Journal of Insect Science Pub Date : 2024-01-01 DOI: 10.1093/jisesa/ieae008
Wen-Jing Yang, Gui-Qiang He, Chao-Bin Huang, Shan-Yi Zhou, Feng-Hai Jia, Ju-Ping Zeng
{"title":"Application of noninvasive sampling technique in mitochondrial genome intraspecific phylogeny of the endangered butterfly, Teinopalpus aureus (Lepidoptera: Papilionidae).","authors":"Wen-Jing Yang, Gui-Qiang He, Chao-Bin Huang, Shan-Yi Zhou, Feng-Hai Jia, Ju-Ping Zeng","doi":"10.1093/jisesa/ieae008","DOIUrl":"10.1093/jisesa/ieae008","url":null,"abstract":"<p><p>The butterfly genus of Teinopalpus, endemic to Asia, embodies a distinct species of mountain-dwelling butterflies with specific habitat requirements. These species are rare in the wild and hold high conservation and research value. Similar to other protected species, the genetic analysis of the rare Teinopalpus aureus poses challenges due to the complexity of sampling. In this study, we successfully extracted DNA and amplified mitochondrial genomic DNA from various noninvasive sources such as larval feces, larval exuviae, larval head capsules, pupal exuviaes, and filamentous gland secretions, all integral parts of butterfly metamorphosis. This was conducted as part of a research initiative focused on the artificial conservation of T. aureus population in Jinggang Shan Nature Reserve. Our findings illustrated the successful extraction of DNA from multiple noninvasive sources, achieved through modified DNA extraction methodologies. Although the DNA concentration obtained from noninvasive samples was lower than that from muscle tissues of newly dead larvae during rearing, all samples met the requirements for PCR amplification and sequencing, yielding complete circular sequences. These sequences are pivotal for both interspecific and intraspecific genetic relationship analysis. Our methods can be extended to other insects, especially scarce species.</p>","PeriodicalId":16156,"journal":{"name":"Journal of Insect Science","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10898791/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139983064","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
Correction to: Requeening queenright honey bee colonies with queen cells in honey supers. 更正:用蜜粉层中的蜂王细胞重新唤醒王权蜜蜂蜂群。
IF 2.2 3区 农林科学
Journal of Insect Science Pub Date : 2024-01-01 DOI: 10.1093/jisesa/iead103
{"title":"Correction to: Requeening queenright honey bee colonies with queen cells in honey supers.","authors":"","doi":"10.1093/jisesa/iead103","DOIUrl":"10.1093/jisesa/iead103","url":null,"abstract":"","PeriodicalId":16156,"journal":{"name":"Journal of Insect Science","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10855016/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139712409","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
Genetic diversity and population structure of the Asian citrus psyllid in China. 中国亚洲柑橘木虱的遗传多样性和种群结构。
IF 2.2 3区 农林科学
Journal of Insect Science Pub Date : 2024-01-01 DOI: 10.1093/jisesa/iead120
Aijun Huang, Jiayu Ma, Jin Yang, Bo Chen, Jun Zhou, Long Yi
{"title":"Genetic diversity and population structure of the Asian citrus psyllid in China.","authors":"Aijun Huang, Jiayu Ma, Jin Yang, Bo Chen, Jun Zhou, Long Yi","doi":"10.1093/jisesa/iead120","DOIUrl":"10.1093/jisesa/iead120","url":null,"abstract":"<p><p>The Asian citrus psyllid (ACP) is the main vector of Citrus Huanglongbing, the most damaging citrus disease, causing significant financial losses in the citrus industry. Global warming has expanded the habitat of this pest, allowing it to continue its northward migration to China. Population genetic information of ACP is fundamentally essential for species management. This study investigated the genetic diversity and population structure of Chinese ACP using the mitochondrial cytochrome oxidase subunit I gene by dataset comprised 721 sequences from 27 geographic sites in China. Low haplotype diversity (0.323 ± 0.022) and low nucleotide diversity (0.00071 ± 0.00007) were observed in the entire population, which may indicate recent founder events. Twenty-three haplotypes were identified and clustered into 2 haplogroups: haplogroup I and haplogroup II. Haplogroup II included only 2 unique haplotypes, which occurred exclusively in the Southwest China ACP population. Genetic differentiation analyses were also indicative of Southwest China population was significantly differentiated from the remaining populations. Demographic history analysis showed that ACP population in China has experienced demographic expansion. Our results provided a better understanding of the genetic distribution patterns and structures of ACP populations in China.</p>","PeriodicalId":16156,"journal":{"name":"Journal of Insect Science","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10776205/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139403206","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
Exploring the effects of two-segment loop tunnels on termite food transport efficiency: a simulation study. 探索两段式环形隧道对白蚁食物运输效率的影响:一项模拟研究。
IF 2.1 3区 农林科学
Journal of Insect Science Pub Date : 2024-01-01 DOI: 10.1093/jisesa/ieae076
Sang-Hee Lee, Cheol-Min Park
{"title":"Exploring the effects of two-segment loop tunnels on termite food transport efficiency: a simulation study.","authors":"Sang-Hee Lee, Cheol-Min Park","doi":"10.1093/jisesa/ieae076","DOIUrl":"https://doi.org/10.1093/jisesa/ieae076","url":null,"abstract":"<p><p>This study explores the food transport efficiency (E) in a termite tunnel consisting of a main tunnel and a 2-segment loop tunnel through a model simulation. Simulated termites navigate between the main and loop tunnels through branching nodes (a, b, c, d) with associated probabilities (P1, P2, P3, P4). The loop tunnel locations (δ) are considered: near the nest (δ = 1), at the center of the main tunnel (δ = 2), and close to the food site (δ = 3). The results reveal that for δ = 1, paths such as a → d → b → c and c → d → b → a exhibited high E values. Conversely, for δ = 2, P3 and P4 demonstrate elevated E values ranging from 0.4 to 0.6. For δ = 3, paths like c → d or c → b display high E values, emphasizing the significance of in-loop separation tunnels (characterized by P3 and P4) in alleviating traffic congestion. Partial rank correlation validates that P1 and P2 minimally influence E, while P3 and P4 significantly negatively impact E, regardless of δ. However, for δ = 2, the influence of P3 and P4 is notably reduced due to the positional symmetry of the loop tunnel. In the discussion, we address model limitations and propose strategies to overcome them. Additionally, we outline potential experimental validations to ensure a comprehensive understanding of the dynamics governing termite food transport within tunnels.</p>","PeriodicalId":16156,"journal":{"name":"Journal of Insect Science","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141633748","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
Brochosome size variation and its influence on leafhopper (Hemiptera: Cicadellidae) wing wettability. 纤小体的大小变化及其对叶蝉(半翅目:蝉科)翅膀润湿性的影响。
IF 2.2 3区 农林科学
Journal of Insect Science Pub Date : 2024-01-01 DOI: 10.1093/jisesa/ieae003
Elizabeth Bello, Marianne Alleyne
{"title":"Brochosome size variation and its influence on leafhopper (Hemiptera: Cicadellidae) wing wettability.","authors":"Elizabeth Bello, Marianne Alleyne","doi":"10.1093/jisesa/ieae003","DOIUrl":"10.1093/jisesa/ieae003","url":null,"abstract":"<p><p>Insect wing surfaces have nano- and microscale features that enable multi-functionality. Leafhoppers (Hemiptera: Cicadellidae) are unique in that they produce and excrete nanoscale particles, called brochocosomes, that are spread onto the integument by the insect. Brochosomes are extra-cuticular, removable, and make the integument both superhydrophobic and anti-reflective, 2 greatly desired properties in engineering and material science fields. Adaptations like this have captured the interest of researchers looking to draw inspiration from the natural world to create novel solutions and optimize current technologies. Here, we compare brochosome size and wettability across 8 species of leafhoppers using scanning electron microscopy and microgoniometry. We demonstrate that brochosome size is variable within species and that size and wettability are both significantly impacted by species. We report the extent of variability in each case and examine the relationship between brochosome size, body length, and hydrophobicity. In discussing potential applications for brochosomes, we comment on an emerging and rapid analysis technique for evaluating small biological particles. Additionally, we discuss a few recent brochosome-inspired designs and comment on important considerations. Our work provides valuable insight on a unique system that can guide the design of functionalized materials with enhanced hydrophobic and self-cleaning properties.</p>","PeriodicalId":16156,"journal":{"name":"Journal of Insect Science","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10858644/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139716148","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
Population genetic structure of tropical bed bug (Hemiptera: Cimicidae) populations and their breeding pattern in Iraq. 伊拉克热带臭虫(半翅目:Cimicidae)种群遗传结构及其繁殖模式。
IF 2.2 3区 农林科学
Journal of Insect Science Pub Date : 2024-01-01 DOI: 10.1093/jisesa/ieae010
Hussein Ali Baqir, Abdul Hafiz Ab Majid
{"title":"Population genetic structure of tropical bed bug (Hemiptera: Cimicidae) populations and their breeding pattern in Iraq.","authors":"Hussein Ali Baqir, Abdul Hafiz Ab Majid","doi":"10.1093/jisesa/ieae010","DOIUrl":"10.1093/jisesa/ieae010","url":null,"abstract":"<p><p>A study was conducted to investigate the population genetic structure and breeding pattern of 140 tropical bed bugs, Cimex hemipterus (F.) (Hemiptera: Cimicidae), collected from 14 infested sites in major cities in Iraq. The samples were genotyped using a set of 7 polymorphic microsatellite markers. High genetic variety was seen among populations, with an average of 2-9 alleles per locus. The number of alleles across 7 microsatellite loci was between 6 and 18. There was a notable disparity in the alleles per loci when comparing the overall population to those within it. The overall population exhibited an average observed heterozygosity of 0.175 and an average expected heterozygosity of 0.730. Among the population, the average observed heterozygosity was 0.173, while the average expected heterozygosity was 0.673. Analysis of molecular variance (AMOVA) revealed that 93% of the genetic variability was within the populations, and 7% was among them. The genetic differentiation coefficient (FST = 0.045), indicates a low degree of genetic differentiation and a high degree of inbreeding (FIS = 0.761), as indicated by notably significant positive inbreeding coefficients. Admixed individuals were revealed using STRUCTURE and neighbor-joining phylogenetic trees, demonstrating moderate gene flow between populations and a lack of genetic structure in the regional groups. Thus, both active dispersion and human-mediated dispersion possess the potential to influence the low population genetic structure of tropical bed bug C. hemipterus populations in Iraq, which can have implications toward tropical bed bug and management strategies.</p>","PeriodicalId":16156,"journal":{"name":"Journal of Insect Science","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10873788/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139746686","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
Length-mass allometries of the larvae of aquatic dipterans: differences between taxa, morphological traits, and methods. 水生双翅目幼虫的长度-质量异构:类群、形态特征和方法之间的差异。
IF 2.2 3区 农林科学
Journal of Insect Science Pub Date : 2024-01-01 DOI: 10.1093/jisesa/ieae012
Julien Mocq, Vladimíra Dekanová, David S Boukal
{"title":"Length-mass allometries of the larvae of aquatic dipterans: differences between taxa, morphological traits, and methods.","authors":"Julien Mocq, Vladimíra Dekanová, David S Boukal","doi":"10.1093/jisesa/ieae012","DOIUrl":"10.1093/jisesa/ieae012","url":null,"abstract":"<p><p>Body mass underpins many ecological processes at the level of individuals, populations, and communities. Often estimated in arthropods from linear morphological traits such as body length or head width, these relationships can vary even between closely related taxa. Length-mass relationships of mosquito (Diptera: Culicidae) larvae are poorly known despite the importance of this family to disease and aquatic ecology. To fill this gap, we measured ontogenetic changes in linear traits (body length, head width, and thorax width) and dry and wet masses and estimated length- and width-mass relationships in larvae of 3 culicid species inhabiting different niches: the tropical Aedes albopictus (Skuse, 1894), the temperate Culex pipiens (Linnaeus, 1758), and the snowmelt Ochlerotatus punctor (Kirby, 1837). We compared our results with published length-mass allometries of other aquatic dipteran larvae. We showed that thorax width and body length, but not head width, reliably predicted body mass for our 3 species. The length-mass allometry slopes in aquatic dipterans varied considerably between and within families but were independent of phylogeny, specimen handling, preservation techniques, and data fitting methods. Slope estimates became less precise with decreasing sample size and size range. To obtain reliable estimates of the allometric slopes, we have thus recommended using data on all larval stages for intraspecific allometries and a wide range of species for interspecific allometries. We also cautioned against the indiscriminate use of length-mass allometries obtained for other taxa or collected at lower taxonomic resolutions, e.g., when using length-mass relationships to estimate biomass production at a given site.</p>","PeriodicalId":16156,"journal":{"name":"Journal of Insect Science","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10874217/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139898046","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
First report of the complete mitochondrial genome of 3 beetles (Coleoptera: Scarabaeidae) harming Gastrodia elata (Asparagales: Orchidaceae). 首次报道危害天南星(Asparagales: Orchidaceae)的 3 种甲虫(鞘翅目:猩红甲科)的完整线粒体基因组。
IF 2.2 3区 农林科学
Journal of Insect Science Pub Date : 2024-01-01 DOI: 10.1093/jisesa/ieae009
Tingting Long, Wenli Zhu, Lin Yang, Jiankun Long, Zhimin Chang, Xiangsheng Chen
{"title":"First report of the complete mitochondrial genome of 3 beetles (Coleoptera: Scarabaeidae) harming Gastrodia elata (Asparagales: Orchidaceae).","authors":"Tingting Long, Wenli Zhu, Lin Yang, Jiankun Long, Zhimin Chang, Xiangsheng Chen","doi":"10.1093/jisesa/ieae009","DOIUrl":"10.1093/jisesa/ieae009","url":null,"abstract":"<p><p>Gastrodia elata Blume, a valuable traditional Chinese medicine with significant clinical and nutritional importance, is a fungal heterotrophic orchid. We present the first report of the mitochondrial genome structure and characteristics of 3 Scarabaeidae pests affecting G. elata: Sophrops peronosporus Gu & Zhang, Anomala rufiventris Kollar & Redtenbacher, and Callistethus plagiicollis Fairmaire. Each mitogenome contained 13 protein-coding genes (PCGs), 22 transfer RNAs (tRNAs), 2 ribosomal RNAs (rRNAs), and a control region, with no gene rearrangements observed. All 21 tRNAs, except trnS1 that lacks a dihydrouridine, had a stable cloverleaf secondary structure. Maximum likelihood and Bayesian inference analyses based on the 13 PCGs produced 2 topologically similar phylogenetic trees, both of with high nodal support. Larvae of these Scarabaeidae pests cause substantial damage by gnawing on the tubers and roots of G. elata, leading to reduced yield and compromised quality. These findings contribute to phylogenetic studies of Scarabaeidae, expand knowledge of G. elata pests, and offer valuable reference materials for their identification and control.</p>","PeriodicalId":16156,"journal":{"name":"Journal of Insect Science","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10883712/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139931529","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
Molecular characterization of Vitellogenin-like1 gene in Sogatella furcifera (Hemiptera: Delphacidae), and its function on reproduction. Sogatella furcifera(半翅目:Delphacidae)Vitellogenin-like1基因的分子特征及其在繁殖中的功能。
IF 2.2 3区 农林科学
Journal of Insect Science Pub Date : 2024-01-01 DOI: 10.1093/jisesa/ieae013
Changyu Xu, Fei Li, Maolin Hou, Yudi Liu
{"title":"Molecular characterization of Vitellogenin-like1 gene in Sogatella furcifera (Hemiptera: Delphacidae), and its function on reproduction.","authors":"Changyu Xu, Fei Li, Maolin Hou, Yudi Liu","doi":"10.1093/jisesa/ieae013","DOIUrl":"10.1093/jisesa/ieae013","url":null,"abstract":"<p><p>In this study, a vitellogenin like1 gene (SfVg-like1) in Sogatella furcifera was identified. The open reading frame (ORF) encoded 1,321 amino acid sequence. Structure analysis reveals that the amino acid sequence of SfVg-like1 has 3 conserved LPD_N, DUF1943 and VWFD domains. Phylogenetic analyses showed that SfVg-like1 was clustered in the same branch with the Vg-like1 of Nilaparvata lugens (100% bootstrap value) compared with other Hemiptera insects Vgs associated with vitellogenesis. Temporo-spatial expression analyses showed that SfVg-like1 expressed during all stages, and in both genders. The relative expression levels of SfVg-like1 mRNA were higher in adults than in nymph developmental stages. The knockdown of SfVg-like1 gene resulted in the inhibition of the ovarian development in female adults, whereas the morphology of the testis in male adults was not been affected. The silence of SfVg-like1 could decrease the relative expression levels of target of rapamycin (SfTOR, GenBank MW193765) and vitellogenin (SfVg, GenBank MH271114) genes significantly in female adults. However, the knockdown of SfTOR or SfVg genes in female adults did not affect the transcript level of SfVg-like1. Therefore, it demonstrated that SfVg-like1 might locate on the upstream signaling pathways of SfTOR and SfVg. These results demonstrate that SfVg-like1 is essential for S. furcifera reproduction, and it could be the potential target for the control of this pest.</p>","PeriodicalId":16156,"journal":{"name":"Journal of Insect Science","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10898789/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139983065","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
Impact of diapause on the cuticular hydrocarbons and physiological status of Hippodamia variegata. 休眠期对 Hippodamia variegata 角质层碳氢化合物和生理状态的影响。
IF 2.2 3区 农林科学
Journal of Insect Science Pub Date : 2024-01-01 DOI: 10.1093/jisesa/ieae005
Mahsa Khabir, Hamzeh Izadi, Kamran Mahdian
{"title":"Impact of diapause on the cuticular hydrocarbons and physiological status of Hippodamia variegata.","authors":"Mahsa Khabir, Hamzeh Izadi, Kamran Mahdian","doi":"10.1093/jisesa/ieae005","DOIUrl":"10.1093/jisesa/ieae005","url":null,"abstract":"<p><p>The spotted amber ladybird, Hippodamia variegata (Goeze) (Coleoptera: Coccinellidae), is known to be a potent predator of aphids, psyllids, whiteflies, mealybugs, and some butterfly species. This ladybeetle overwinters in the diapausing adult stage. The current study aimed to evaluate the impact of diapause on the energy resources and cuticular hydrocarbons (CHCs) of the female ladybeetle, specifically comparing the changes in glycogen, lipid, and protein contents, and CHCs profile of diapausing and non-diapausing adults. In this study, gas chromatography-mass was used to analyze whole-body extracts of the beetles. Results showed no significant differences between the amount of glycogen, lipid, and protein contents of diapausing and non-diapausing ladybeetle. The CHCs profile of H. variegata consisted of 24 hydrocarbons categorized into 2 groups: linear aliphatic hydrocarbons (n-alkanes) and methyl-branched hydrocarbons (17 molecules), as well as unsaturated cyclic compounds (7 molecules). The n-alkanes, with 14 compounds, were identified as the primary constituents of the CHCs of the ladybeetle. Six molecules were common to non-diapausing and diapausing beetles, 5 were exclusive to non-diapausing beetles, and 13 were exclusive to diapausing beetles. Moreover, we noted a significant difference in the quantity and quality of CHCs between diapausing and non-diapausing beetles, with diapausing beetles synthesizing more CHCs with longer chains. This disparity in CHC profiles was concluded to be an adaptation of H. variegata to survive harsh environmental conditions during diapause.</p>","PeriodicalId":16156,"journal":{"name":"Journal of Insect Science","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10883706/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139931530","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
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