{"title":"Behavioural responses of four generalist pests to crops and exotic weeds for their sustainable management.","authors":"Nayan Roy","doi":"10.1017/S0007485325000094","DOIUrl":"10.1017/S0007485325000094","url":null,"abstract":"<p><p>Leaf epicuticular waxes play a crucial role in host selection of <i>Spilosoma obliqua, Amsacta albistriga, Spodoptera litura</i>, and <i>Spilarctia luteum</i>. The leaf epicuticular waxes of groundnut, soybean, mikania, and parthenium indicated the presence of 25 different n-alkanes (C<sub>14</sub> to n-C<sub>36</sub>) and 15 free fatty acids (FFAs) (C<sub>12:0</sub> to C<sub>22:0</sub>). All the chemical analysis and bioassays were conducted by using the standard protocols. The attraction index (AI %) and oviposition preference index (OPI %) of each pest species towards the combined-synthetic-mixtures of respective leaf wax chemicals (4 n-alkanes [n-C<sub>16</sub>, n-C<sub>18</sub>, n-C<sub>20</sub>, n-C<sub>22</sub>] + 4 FFAs [C<sub>14:0</sub>, C<sub>16:1</sub>, C<sub>16:0</sub>, C<sub>20:0</sub>]) were more preferred due to respective wax chemicals. The AI (%) and OPI (%) towards the said mixture (C3) of the selected host plants (groundnut > soybean > parthenium > mikania) were in the order of <i>S. obliqua</i> > <i>S. litura</i> > <i>S. luteum</i> > <i>A. albistriga</i> for better survival and growth of their neonates because of the respective amounts of leaf wax chemicals including other phytoconstituents. The said synthetic mixture in respective leaf equivalent amount (µg leaf<sup>-1</sup>) acted as the most preferred lure to develop baited trap and or groundnut as trap crop for soybean to support integrated pest management of such crops (groundnut and soybean). It also supports the use of such pest species as biocontrol agent for the exotic weeds (mikania and parthenium). This finding promotes sustainable pest and weed management for climate smart agriculture to maintain and sustain quality of our planet in the near future.</p>","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":" ","pages":"265-274"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143566103","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}
Jin Yang, Hao Bang, Hanjing Yang, Jun Zhao, Muhammad Farhan, Xiaoyan Ma, Shuai Zhang
{"title":"Adaptability of <i>Aphis gossypii</i> glover to different <i>Capsicum annuum</i> varieties.","authors":"Jin Yang, Hao Bang, Hanjing Yang, Jun Zhao, Muhammad Farhan, Xiaoyan Ma, Shuai Zhang","doi":"10.1017/S0007485325000100","DOIUrl":"10.1017/S0007485325000100","url":null,"abstract":"<p><p><i>Aphis gossypii</i> Glover (Hemiptera: Aphididae) is a significant pest of <i>Capsicum annuum</i> (Solanales: Solanaceae) and exhibits intraspecific differentiation within populations. To investigate the adaptability of Hap3 and Hap17 <i>A. gossypii</i> to various <i>C. annuum</i> varieties, including 'Lvzhou101' (LZ), 'Lashen' (LA), 'Saierweilvtianjiao' (SE), 'Haimaihongri' (HM), 'Chaotianjiao' (CT), and 'Luosijiangjun' (LS), we employed life tables to analyse growth and population parameters post-feeding and conducted petri dish host choice experiments to assess the host plant preference of <i>A. gossypii</i>. Survival rates of <i>A. gossypii</i> varied significantly across <i>C. annuum</i> varieties. Notably, Hap3 and Hap17 thrived on 'LZ' but failed to establish populations on 'LA'. The net reproductive rate (<i>R</i><sub>0</sub>), average generation time (<i>T</i>), and intrinsic rate of increase (<i>r</i><sub>m</sub>) differed markedly between Hap3 and Hap17 across <i>C. annuum</i> varieties. Feeding on 'LZ' resulted in a significantly higher <i>R</i><sub>0</sub> value (26.49) for Hap3 relative to other varieties. The <i>T</i> (7.60 days) and <i>r</i><sub>m</sub> (0.27) values for Hap3 on 'SE' were superior to those observed on other <i>C. annuum</i> varieties. These findings indicate that 'SE' is the optimal host for Hap3 growth, while 'LZ' best supports Hap17. Both haplotypes exhibited the lowest adaptability to 'LA'. Therefore, the utilisation capacity of <i>A. gossypii</i> populations on <i>C. annuum</i> demonstrates differentiation, and the resistance levels among <i>C. annuum</i> varieties to <i>A. gossypii</i> vary. This differentiation can inform targeted management strategies for aphid infestations on pepper crops.</p>","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":" ","pages":"287-295"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143669190","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}
{"title":"<i>BmWARS</i> inhibits BmNPV infection via the PI3K-Akt pathway.","authors":"Jinyang Wang, Xiangrui Ding, Kaifang Jia, Haiyu Chen, Guorong An, Qiaoling Zhao, Dongxu Shen, Zhiyong Qiu, Xuelian Zhang, Heying Qian, Dingguo Xia","doi":"10.1017/S000748532500015X","DOIUrl":"10.1017/S000748532500015X","url":null,"abstract":"<p><p><i>Bombyx mori</i> Tryptophanyl-tRNA synthetase (<i>BmWARS</i>) belongs to the family of Ic-like aminoacyl-tRNA synthetases (aaRSs), whose specific recognition of the substrate Trp, tRNA, maintains the fidelity of protein synthesis. In this study, <i>BmWARS</i> was cloned and characterized from the midgut of the silkworm, <i>Bombyx mori</i>, resulting in an open reading frame (ORF) with a full length of 1,149 bp, which can encode 382 Aa. BmWARS is localized in the cytoplasm, and is expressed in all tissues of the silkworm, with higher expression in the testis, ovary, silk gland and malpighian tubule. The expression of <i>BmWARS</i> was significantly up-regulated in the midgut and silk gland after infection with <i>Bombyx mori</i> nuclear polyhedrosis virus (BmNPV). In addition, overexpression of <i>BmWARS</i> inhibited BmNPV infection and replication extremely significantly, while interference with <i>BmWARS</i> expression promoted BmNPV infection and replication. Analysis of the immune pathways in which <i>BmWARS</i> may be involved revealed that the expression of the key genes of the PI3K-Akt pathway, <i>BmPI3K, BmAkt, BmPDK1, BmeIF4E, BmS6</i>, and p-Akt protein was significantly reduced, whereas the expression of <i>BmPTEN, BmFoxO</i>, and <i>BmCaspase9</i> was significantly increased in the cells that overexpressed <i>BmWARS</i> and were infected with BmNPV. Meanwhile, the results of the study interfering with the expression of <i>BmWARS</i> were completely opposite to those of the study overexpressing <i>BmWARS</i>. This is the first report that <i>BmWARS</i> has antiviral effects in <i>Bombyx mori</i>. Moreover, <i>BmWARS</i> inhibits BmNPV infection and replication in <i>Bombyx mori</i> cells by promoting apoptosis and inhibiting cell proliferation.</p>","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":" ","pages":"340-353"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143691317","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}
{"title":"Time series analysis of nuptial flights of Afrotropical ants (Hymenoptera: Formicidae), and the influence of moonlight on catches.","authors":"C A M Campbell","doi":"10.1017/S0007485325000215","DOIUrl":"10.1017/S0007485325000215","url":null,"abstract":"<p><p>Data from three and half years' nightly light-trap catches of 25 Afrotropical ant species were examined by Fourier analysis. Between 8 and 72 % of the seven-day-moving-average logarithmically transformed catches were accounted for by two to four terms. All 25 species showed significant annual periodicity and all, but <i>Dorylus fulvus</i> and <i>Camponotus foraminosus</i>, six monthly. Four species had wavelengths of between two and four years, and <i>Tapinoma melanocephalum</i> of 289 days. Twenty-three species showed two peak catches annually, contemporaneous with the two rainy seasons, with the higher peak corresponding with the main rains for 21 of them, while <i>D. fulvus</i> and <i>C. foraminosus</i> had single annual peaks during the main rains. Catches of 14 species with lunar periodicities were lowest around full moon and highest near new moon, contrasting with <i>Hypoponera dulcis</i> and <i>Plagiolepis brunni</i> whose catches were highest at full moon, and near the first quarter, respectively. Gynes and males of eight species were sufficiently numerous for comparisons of their separate responses to lunar illuminance. Catches of males peaked <i>ca.</i> six and three days later than gynes for <i>Tapinoma</i> cf. <i>carininotum</i> and <i>Tetramorium aculeatum</i>, respectively; whereas males of <i>Crematogaster africana, Cr. depressa, Tetramorium sericeiventre, Oecophylla longinoda, Tapinoma melanocephalum</i>, and <i>Technomyrmex andrei</i> peaked from <i>ca.</i> one to six days earlier than their respective gynes.</p>","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":" ","pages":"386-402"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143751137","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}
Gabriel de Carvalho, Gilberto Dinis Cozzer, Manuelle Osmarin Pinheiro de Almeida, Wiliam Gabriel Borges, Renan de Souza Rezende, Bruno Spacek Godoy, Ivoneide Maria da Silva, José Vladmir Oliveira, Daniel Albeny-Simões, Jacir Dal Magro
{"title":"Assessing neighbourhood-scale BTI spray applications and laboratory-based mortality testing on Aedes aegypti larval development - Corrigendum.","authors":"Gabriel de Carvalho, Gilberto Dinis Cozzer, Manuelle Osmarin Pinheiro de Almeida, Wiliam Gabriel Borges, Renan de Souza Rezende, Bruno Spacek Godoy, Ivoneide Maria da Silva, José Vladmir Oliveira, Daniel Albeny-Simões, Jacir Dal Magro","doi":"10.1017/S0007485325000227","DOIUrl":"10.1017/S0007485325000227","url":null,"abstract":"","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":" ","pages":"403"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143718077","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}
{"title":"Asymmetrical reproductive interference between two sibling species of tea looper: <i>Ectropis grisescens</i> and <i>Ectropis obliqua</i>.","authors":"G-H Zhang, Z-J Yuan, K-S Yin, J-Y Fu, M-J Tang, Q Xiao","doi":"10.1017/S0007485316000602","DOIUrl":"10.1017/S0007485316000602","url":null,"abstract":"<p><p><i>Ectropis grisescens</i> Warren and <i>Ectropis obliqua</i> (Prout) are two morphologically similar sibling species with overlapping ranges. In this study, manipulative laboratory experiments were conducted to examine the possibility of reproductive interference in sympatric populations of <i>E. grisescens</i> and <i>E. obliqua</i> and the potential consequences of the mating interaction. Our results showed that the presence of males or females of different species could incur mating interference and significant reduction of <i>F</i><sub>1</sub> offspring. The reduction was not significant relevant to the initial relative abundance of <i>E. grisescens</i> and <i>E. obliqua</i>. Detailed observations of mating opportunity showed that female mating frequencies of both species were not significantly affected by the absolute species density, but the mating success of <i>E. obliqua</i> females with conspecific males depended on species ratio. In addition, adding males to the other species resulted in lower number of offspring suggesting that the males' behaviour might be linked with mating interference. Males of both <i>E. grisescens</i> and <i>E. obliqua</i> could interfere the intraspecific mating of the other species, but the impact of the mating interference differed. These combined data indicated that asymmetric reproductive interference existed in <i>E. grisescens</i> and <i>E. obliqua</i> under laboratory conditions, and the offspring of the mixed species were significantly reduced. The long term outcome of this effect is yet to be determined since additional reproductive factors such as oviposition rate and progeny survival to adulthood may reduce the probability of demographic displacement of one species by the other in overlapping niches.</p>","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":" ","pages":"243-250"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34746353","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}
Peng Chen, Huayi Ai, Zhiping Liu, Chengjun Li, Bin Li
{"title":"The dual functions of a newly identified C-type lectin (TcCTL17) in the immunity and development of <i>Tribolium castaneum</i>.","authors":"Peng Chen, Huayi Ai, Zhiping Liu, Chengjun Li, Bin Li","doi":"10.1017/S0007485324000920","DOIUrl":"10.1017/S0007485324000920","url":null,"abstract":"<p><p>C-type lectins (CTLs), a diverse family of pattern recognition receptors, are essential for immune recognition and pathogen clearance in invertebrates. TcCTL17 contains one carbohydrate recognition domain and three scavenger receptor Cys-rich domains. Spatial and temporal expression analysis revealed that TcCTL17 is highly expressed in early pupa, early adult stages, and the larval gut at 20 days. The recombinant TcCTL17 exhibited dose-dependent binding to lipopolysaccharides and peptidoglycans, Ca<sup>2+</sup>-dependent binding and agglutination of bacteria in vitro. Knocking down TcCTL17 before bacterial exposure reduced survival rates and increased bacterial loads in <i>T. castaneum</i> larvae, accompanied by decreased antimicrobial peptide expression and haemolymph phenoloxidase activity. Additionally, TcCTL17 RNA interference caused developmental abnormalities, affecting metamorphosis and fecundity, possibly by influencing the 20E, JH, and vitellogenin pathways. These findings underscore dual functions of TcCTL17 in immunity and development, making it a potential target for pest management.</p>","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":" ","pages":"251-264"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143647308","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}
Samantha Ward, David Logan, Luis Mata, Anthony van Rooyen, Paul A Umina
{"title":"Fluffy bums and their aliens: Passionvine hoppers (<i>Scolypopa australis</i> (Walker)) and their elusive parasitoid wasps.","authors":"Samantha Ward, David Logan, Luis Mata, Anthony van Rooyen, Paul A Umina","doi":"10.1017/S0007485325000082","DOIUrl":"10.1017/S0007485325000082","url":null,"abstract":"<p><p>Hymenopteran parasitoids are an understudied group of insects despite being important in biological control programs globally. Little is known about the ability of parasitoids to control the passionvine hopper (<i>Scolypopa australis</i> (Walker); PVH), which was introduced to New Zealand (NZ) in the 1800s and has since become a major economic pest of kiwifruit. However, in their native Australia, this species has not reached pest status, likely due to the presence of associated parasitoids. Understanding the ecology of parasitoids associated with PVH in their native range is a critical step in identifying potential biological control agents that could be used in NZ. In this study, PVH presence and occupancy on different plant species was determined and the PVH parasitoid fauna of NZ compared with the Australian fauna. Collections were undertaken in and around Melbourne, Australia, between December 2021 and May 2023 in public and private gardens, roadside verges and parklands. Parasitoids were reared from the nymphs and eggs of PVH and identified. Ten species of parasitoid were discovered to parasitise PVH, eight of which were new host records. Three parasitoids, <i>Dryinus koebelei, Neodryinus nelsoni</i>, and <i>Neodryinus koebelei</i>, were reared from PVH nymphs and seven parasitoids were reared from PVH eggs: <i>Ablerus</i> sp., <i>Anastatus</i> sp., <i>Centrodora</i> sp., <i>Cheilonoeurus</i> sp., <i>Ooencyrtus</i> sp., and unknown species belonging to the families Figitidae and Platygastridae. These new data have made a significant contribution to understanding the ecology of PVH in their native range.</p>","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":" ","pages":"275-286"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143708629","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}
{"title":"Effects of polyamide microplastics with different particle sizes on the development of silkworm <i>Bombyx mori</i> (Lepidoptera: Bombycidae) and its progeny: A study based on the age-stage, two-sex life table.","authors":"Zengqing Huang, FeiFei Wang, Jiacheng Zheng, Zhonghe Sun, Xiaoyong Liu, Shangshang Ma, Keping Chen, Xiaoli Ju, Qiang Wang","doi":"10.1017/S0007485325000203","DOIUrl":"10.1017/S0007485325000203","url":null,"abstract":"<p><p>Influenced by human activities, microplastics (MPs) are widely distributed in terrestrial ecosystems. However, their ecotoxicity remains unclear. Therefore, we assessed the ecotoxicity of polyamide microplastics (PA-MPs) by investigating their toxic effects on the model insect, the silkworms <i>Bombyx mori</i> (Lepidoptera: Bombycidae). In this study, fifth-instar silkworm larvae were fed mulberry leaves treated with PA-MPs for 120 hours, but no changes in mortality rates were observed. However, the body weight, pupal weight, cocoon weight, egg laying amount, and cocoon shell weight in F<sub>0</sub> generation silkworms were significantly reduced. This indicates that PA-MPs have sublethal effects on silkworms. To further investigate the effects of PA-MPs on the offspring of silkworms, we applied the age-stage, two-sex life table analysis. We found that in the PA-MPs treatment group, the duration of the larval and pupal stages of F<sub>1</sub> generation silkworms was significantly prolonged, while the lifespan of the adults and total longevity were shortened. Meanwhile, the life history parameters (<i>s<sub>xj</sub>, e<sub>xj</sub>, l<sub>x</sub>, f<sub>xj</sub>, l<sub>x</sub>m<sub>x</sub></i>, and <i>v<sub>xj</sub></i> values) and population parameters (<i>R</i><sub>0</sub><i>, λ, r</i>, and <i>T</i>) of F<sub>1</sub> generation silkworms in the PA-MPs treatment group were also lower than control. This indicates that PA-MPs have transgenerational effects, affecting the growth, development, and reproduction of F<sub>1</sub> generation silkworms. Our research findings demonstrate the sublethal and transgenerational effects of PA-MPs on silkworms, providing evidence for their ecotoxicity.</p>","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":" ","pages":"375-385"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143728701","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}
{"title":"Effectiveness of the predatory mite <i>Neoseiulus cucumeris</i> on two-spotted spider mite and western flower thrips: A quantitative assessment - Erratum.","authors":"Sajjad Dalir, Hamidreza Hajiqanbar, Yaghoub Fathipour, Mostafa Khanamani","doi":"10.1017/S0007485325000239","DOIUrl":"10.1017/S0007485325000239","url":null,"abstract":"","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":" ","pages":"404"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143794692","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}