Nadja Nara P. Silva, Vanessa R. Carvalho, Carolane B. Silva, João Pedro A. Bomfim, Gabryele S. Ramos, Regiane C. Oliveira
{"title":"First report of the association between Wolbachia and Cotesia flavipes (Hymenoptera: Braconidae): effect on life history parameters of the parasitoid","authors":"Nadja Nara P. Silva, Vanessa R. Carvalho, Carolane B. Silva, João Pedro A. Bomfim, Gabryele S. Ramos, Regiane C. Oliveira","doi":"10.1017/s0007485324000361","DOIUrl":"https://doi.org/10.1017/s0007485324000361","url":null,"abstract":"The symbiosis between microorganisms and host arthropods can cause biological, physiological, and reproductive changes in the host population. The present study aimed to survey facultative symbionts of the genera <jats:italic>Wolbachia</jats:italic>, <jats:italic>Arsenophonus</jats:italic>, <jats:italic>Cardinium</jats:italic>, <jats:italic>Rickettsia</jats:italic>, and <jats:italic>Nosema</jats:italic> in <jats:italic>Cotesia flavipes</jats:italic> (Cameron) (Hymenoptera: Braconidae) and <jats:italic>Diatraea saccharalis</jats:italic> (Fabricius) (Lepidoptera: Crambidae) in the laboratory and evaluate the influence of infection on the fitness of these hosts. For this purpose, 16S rDNA primers were used to detect these facultative symbionts in the host species, and the hosts' biological and morphological features were evaluated for changes resulting from the infection caused by these microorganisms. The bacterial symbionts studied herein were not detected in the <jats:italic>D. saccharalis</jats:italic> samples analysed, but the endosymbiont <jats:italic>Wolbachia</jats:italic> was detected in <jats:italic>C. flavipes</jats:italic> and altered the biological and morphological aspects of this parasitoid insect. The results of this study may help to elucidate the role of <jats:italic>Wolbachia</jats:italic> in maintaining the quality of populations/lineages of <jats:italic>C. flavipes</jats:italic>.","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":"448 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142225328","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}
Mengjin Liu, Lang Wen, Ben Deng, Yaping Su, Zhenghao Han, Yiling Zhang, Feng Zhu, Qingsheng Qu, Mingze Li, Yujia Fang, Ping Qian, Xudong Tang
{"title":"Translocator protein (TSPO) inhibits Nosema bombycis proliferation in silkworm, Bombyx mori","authors":"Mengjin Liu, Lang Wen, Ben Deng, Yaping Su, Zhenghao Han, Yiling Zhang, Feng Zhu, Qingsheng Qu, Mingze Li, Yujia Fang, Ping Qian, Xudong Tang","doi":"10.1017/s0007485324000385","DOIUrl":"https://doi.org/10.1017/s0007485324000385","url":null,"abstract":"Pebrine disease, caused by <jats:italic>Nosema bombycis</jats:italic> (<jats:italic>Nb</jats:italic>) infection in silkworms, is a severe and long-standing disease that threatens sericulture. As parasitic pathogens, a complex relationship exists between microsporidia and their hosts at the mitochondrial level. Previous studies have found that the translocator protein (TSPO) is involved in various biological functions, such as membrane potential regulation, mitochondrial autophagy, immune responses, calcium ion channel regulation, and cell apoptosis. In the present study, we found that TSPO expression in silkworms (<jats:italic>BmTSPO</jats:italic>) was upregulated following <jats:italic>Nb</jats:italic> infection, leading to an increase in cytoplasmic calcium, adenosine triphosphate, and reactive oxygen species levels. Knockdown and overexpression of <jats:italic>BmTSPO</jats:italic> resulted in the promotion and inhibition of <jats:italic>Nb</jats:italic> proliferation, respectively. We also demonstrated that the overexpression of <jats:italic>BmTSPO</jats:italic> promotes host cell apoptosis and significantly increases the expression of genes involved in the immune deficiency and Janus kinase-signal transducer and the activator of the transcription pathways. These findings suggest that BmTSPO activates the innate immune signalling pathway in silkworms to regulate Nb proliferation. Targeting TSPO represents a promising approach for the development of new treatments for microsporidian infections.","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":"27 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142198497","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}
Li Xu, Hongyu Liu, Bo Li, Guangling Li, Runqiang Liu, Dongzhi Li
{"title":"SlCarE054 in <i>Spodoptera litura</i> (Lepidoptera: Noctuidae) showed direct metabolic activity to <i>β</i>-cypermethrin with stereoselectivity.","authors":"Li Xu, Hongyu Liu, Bo Li, Guangling Li, Runqiang Liu, Dongzhi Li","doi":"10.1017/S0007485324000282","DOIUrl":"10.1017/S0007485324000282","url":null,"abstract":"<p><p>Carboxylesterases (CarEs) is an important detoxification enzyme system in phase Ⅰ participating in insecticides resistance. In our previous study, <i>SlCarE054,</i> a CarEs gene from lepidoptera class, was screened out to be upregulated in a pyrethroids and organophosphates resistant population. Its overexpression was verified in two field-collected populations of <i>Spodoptera litura</i> (Lepidoptera: Noctuidae) resistant to pyrethroids and organophosphates by qRT-PCR. Spatiotemporal expression results showed that <i>SlCarE054</i> was highly expressed in the pupae stage and the digestive tissue midgut. To further explore its role in pyrethroids and organophosphates resistance, its metabolism activity to insecticides was determined by UPLC. Its recombinant protein showed significant metabolism activity to cyhalothrin and fenvalerate, but not to phoxim or chlorpyrifos. The metabolic activity of SlCarE054 to <i>β</i>-cypermethrin showed stereoselectivity, with higher metabolic activity to <i>θ</i>-cypermethrin than the enantiomer <i>α</i>-cypermethrin. The metabolite of <i>β</i>-cypermethrin was identified as 3-phenoxybenzaldehyde. Further modelling and docking analysis indicated that <i>β</i>-cypermethrin, cyhalothrin and fenvalerate could bind with the catalytic triad of the 3D structure of SlCarE054. The interaction of <i>β</i>-cypermethrin with SlCarE054 also showed the lowest binding energy. Our work provides evidence that <i>SlCarE054</i> play roles in <i>β</i>-cypermethrin resistance in <i>S. litura</i>.</p>","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":" ","pages":"482-490"},"PeriodicalIF":1.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140854307","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}
Seth Kwaku Tsatsu, Guy F Sutton, Leani Serfontein, Pia Addison, Marc De Meyer, Massimiliano Virgilio, Aruna Manrakhan
{"title":"Distribution and host ranges of <i>Ceratitis rosa</i> and <i>Ceratitis quilicii</i> (Diptera: Tephritidae) in South Africa.","authors":"Seth Kwaku Tsatsu, Guy F Sutton, Leani Serfontein, Pia Addison, Marc De Meyer, Massimiliano Virgilio, Aruna Manrakhan","doi":"10.1017/S0007485324000294","DOIUrl":"10.1017/S0007485324000294","url":null,"abstract":"<p><p>Two fruit fly (Diptera: Tephritidae) species of economic importance: <i>Ceratitis rosa</i> Karsch and <i>Ceratitis quilicii</i> De Meyer, Mwatawala & Virgilio are present in South Africa. The two species were considered as one species prior to 2016, but were subsequently separated. In this study, the distribution and abundance of the two species were quantified in seven provinces in South Africa through trapping with Enriched Ginger Oil as an attractant. Trapping was conducted over three seasons across two years (2020 and 2021): late summer, autumn-winter, and spring-early summer. Host ranges of the two species were investigated by fruit sampling in and outside of trapping sites. <i>Ceratitis quilicii</i> was more widely distributed than <i>C. rosa</i> with the latter being recorded in only three north-eastern provinces. There were geographical limits for both species with no records of them in Northern Cape Province. Catches of <i>C. quilicii</i> were higher in summer with average temperatures varying from 15 to 27°C while for <i>C. rosa</i>, catches remained low and consistent between seasons. <i>Ceratitis quilicii</i> catches decreased at lower rates than those of <i>C. rosa</i> at temperatures below 15°C. The two species were reared from 13 plant species from nine families. Four of these hosts were infested by both <i>C. quilicii</i> and <i>C. rosa</i> in the same province where they occurred. Preferred hosts of the two species belonged to the Myrtaceae family. The characterisation of the distribution, abundance and host ranges of these pests will provide a baseline for pest status determination and implementation of management actions.</p>","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":" ","pages":"503-513"},"PeriodicalIF":1.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141179104","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}
Waldenio Antonio de Araújo, Marcos Gino Fernandes, Paulo Eduardo Degrande, Angélica da Silva Salustino, Domingos Francisco Correia Neto, José Bruno Malaquias
{"title":"Exploring the impact of cover crops in integrated pest management: pest and natural enemies population dynamics in no-tillage cotton production.","authors":"Waldenio Antonio de Araújo, Marcos Gino Fernandes, Paulo Eduardo Degrande, Angélica da Silva Salustino, Domingos Francisco Correia Neto, José Bruno Malaquias","doi":"10.1017/S0007485324000452","DOIUrl":"10.1017/S0007485324000452","url":null,"abstract":"<p><p>Conservation agriculture plays an important role in the sustainability of production systems, notably for globally significant crops such as cotton. This study explores the integration of the no-tillage system (NTS) with integrated pest management (IPM) by incorporating cover crops. The aim is to assess the impact of these living or dead covers on the management of insect populations, the indices diversity of phytophagous insects and natural enemies, and to investigate the population fluctuation of these arthropods, considering a variety of crops in the NTS before and after cotton planting. The trial, conducted over two consecutive cropping seasons in Mato Grosso do Sul State, Brazil, employed a randomised block design with four repetitions. The treatments included cover crops with the highest potential for use in the region, such as millet (<i>Pennisetum glaucum glaucum</i> L.), corn (<i>Zea mays</i> L.), brachiaria (<i>Urochloa ruziziensis</i>), black velvet bean (<i>Stizolobium aterrimum</i>), forage sorghum (<i>Sorghum bicolor</i> L.), and white oats (<i>Avena sativa</i> L.) and a mix of white oats with brachiaria. The results indicated that the black velvet bean stands out as the most effective cover crop, providing the best performance in terms of non-preference to the attack of the evaluated pest insects. Conversely, brachiaria proves to be more susceptible to infestations of <i>Dalbulus maidis</i> (DeLong and Wolcott) (Hemiptera: Cicadellidae), and <i>Diabrotica speciosa</i> (Germar, 1824) (Coleoptera: Chrysomelidae). The study underscores the relevance of the judicious choice of cover crops in IPM and in promoting agricultural biodiversity, creating a strategic tool to enhance the sustainability and efficiency of the cotton production system in the context of the NTS.</p>","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":" ","pages":"581-590"},"PeriodicalIF":1.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142280561","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":"Critical thermal maxima in neotropical ants at colony, population, and community levels.","authors":"Geraldo Nascimento, Talita Câmara, Xavier Arnan","doi":"10.1017/S0007485324000567","DOIUrl":"10.1017/S0007485324000567","url":null,"abstract":"<p><p>Global warming is exposing many organisms to severe thermal conditions and is having impacts at multiple levels of biological organisation, from individuals to species and beyond. Biotic and abiotic factors can influence organismal thermal tolerance, shaping responses to climate change. In eusocial ants, thermal tolerance can be measured at the colony level (among workers within colonies), the population level (among colonies within species), and the community level (among species). We analysed critical thermal maxima (CT<sub>max</sub>) across these three levels for ants in a semiarid region of northeastern Brazil. We examined the individual and combined effects of phylogeny, body size (BS), and nesting microhabitat on community-level CT<sub>max</sub> and the individual effects of BS on population- and colony-level CT<sub>max</sub>. We sampled 1864 workers from 99 ant colonies across 47 species, for which we characterised CT<sub>max</sub>, nesting microhabitat, BS, and phylogenetic history. Among species, CT<sub>max</sub> ranged from 39.3 to 49.7°C, and community-level differences were best explained by phylogeny and BS. For more than half of the species, CT<sub>max</sub> differed significantly among colonies in a way that was not explained by BS. Notably, there was almost as much variability in CT<sub>max</sub> within colonies as within the entire community. Monomorphic and polymorphic species exhibited similar levels of CT<sub>max</sub> variability within colonies, a pattern not always explained by BS. This vital intra- and inter-colony variability in thermal tolerance is likely allows tropical ant species to better cope with climate change. Our results underscore why ecological research must examine multiple levels of biological organisation.</p>","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":" ","pages":"571-580"},"PeriodicalIF":1.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142280560","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":"Demographic analysis and biotic potential of <i>Spodoptera frugiperda</i> (J.E. Smith) (Lepidoptera: Noctuidae) on pea.","authors":"Shubham Sharma, Prem Lal Sharma, Prajjval Sharma, Subhash Chander Verma, Nidhi Sharma, Priyanka Sharma","doi":"10.1017/S0007485324000312","DOIUrl":"10.1017/S0007485324000312","url":null,"abstract":"<p><p>The fall armyworm (FAW), <i>Spodoptera frugiperda</i> (J.E. Smith) (Lepidoptera: Noctuidae) is a highly destructive polyphagous pest that primarily damages maize. Maize is considered a most versatile crop for growing intercrops due to the wide row it needs. Maize-pea intercropping is preferred by small and marginal farmers worldwide due to various advantages including higher yield and improved economic benefits. However, the success of this intercropping system may be hampered if pea could sustain the FAW population. Thus, to clarify the fitness and potential effect of <i>S. frugiperda</i> on pea, we analysed the survival and development of <i>S. frugiperda</i> fed on pea leaves in the laboratory and constructed age-stage and two-sex life tables. Results showed that FAW successfully completed its life cycle when fed on pea and produced fertile offspring. The pre-adult duration was significantly higher on pea than maize. The net reproductive rate, intrinsic and finite rate of population increase on pea (135.06 offspring per individual, 0.12 offspring per individual per day and 1.13 times per day) were all significantly different from those on maize (417.64 offspring per individual, 0.19 offspring per individual per day and 1.21 times per day). The probability of survival of <i>S. frugiperda</i> at each stage was lower when fed on pea leaves than that of maize-fed larvae. Due to the overlapping growth periods of the maize and pea, <i>S. frugiperda</i> can easily proliferate throughout the year by shifting between adjacent crops. Thus, this study revealed the adaptability of <i>S. frugiperda</i> for pea and provides the foundation for further assessment of FAW risk to other inter-crops.</p>","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":" ","pages":"514-523"},"PeriodicalIF":1.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142072094","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}
I P Sunish, Addepalli Prem Kumar, Kannan Thiruvengadam, A N Shriram
{"title":"Biodiversity of mosquitoes (Diptera: Culicidae) in phytotelmata from Car Nicobar Island, India.","authors":"I P Sunish, Addepalli Prem Kumar, Kannan Thiruvengadam, A N Shriram","doi":"10.1017/S0007485324000245","DOIUrl":"10.1017/S0007485324000245","url":null,"abstract":"<p><p>The Culicidae mosquito family breeds in various natural and artificial water bodies. Phytotelmata are plant structures that hold water and are used by many mosquito species during their life cycle. Mosquitoes are disease vectors, and phytotelmata play an important role in harbouring them. Investigating these phytotelmata will facilitate to develop appropriate site specific vector control strategy. Approximately 750 phytotelmata in 16 locations on Car Nicobar Island was examined. Mosquito larvae were collected from different habitats such as tree holes, root holes, leaf axils, and bamboo stumps. On average, the number of larvae per 10 ml of water ranged from 0.003 to 3.833. Among the 16 mosquito species identified, there were vectors of malaria (<i>Anopheles sundaicus</i>), dengue (<i>Aedes aegypti</i> and <i>Aedes albopictus</i>) and filariasis (<i>Culex quinquefasciatus</i>), belonging to seven genera. The most common phytotelmata were coconut trees (17.5%) followed by Java apple trees (10.3%) and bamboo stumps (7.1%). The most widespread mosquito species was <i>Aedes edwardsi</i>, followed by <i>Aedes malayensis</i> and <i>Ae. albopictus</i>, and the per cent of phytotelmata that contained these species were 42.6, 22.0, and 16.8% respectively. <i>Anopheles</i> mosquitoes had the highest container index (6.1%) in root holes, while <i>Aedes</i> and <i>Culex</i> mosquitoes were more frequently found in bamboo stumps. The alpha biodiversity indices indicated that the mosquito population in Car Nicobar Island was highly diverse (<i>S</i> = 16; DMg = 36.9). Tree holes showed the highest diversity, as all 16 species were collected from them. Assessment of phytotelmata, there is a significant relationship observed between mosquito genus, village, habitat, and tree families, on the remote island of Car Nicobar. Considering the presence of disease-transmitting mosquito vectors in the phytotelmata, these habitats should be considered when implementing control measures to eliminate mosquito-borne infections.</p>","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":" ","pages":"393-404"},"PeriodicalIF":1.6,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140847942","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":"Rapid and specific detection of <i>Pentastiridius leporinus</i> by recombinase polymerase amplification assay.","authors":"Omid Eini, René Pfitzer, Mark Varrelmann","doi":"10.1017/S0007485324000099","DOIUrl":"10.1017/S0007485324000099","url":null,"abstract":"<p><p><i>Pentastiridius leporinus</i> (Hemiptera: Cixiidae) is the main vector of an emerging and fast spreading sugar beet disease, the syndrome 'basses richesses' (SBR), in different European countries. The disease is caused by the γ-3-proteobacterium '<i>Candidatus</i> Arsenophonus phytopathogenicus' and the phytoplasma '<i>Candidatus</i> Phytoplasma solani' which are exclusively transmitted by planthoppers and can lead to a significant loss of sugar content and yield. Monitoring of this insect vector is important for disease management. However, the morphological identification is time consuming and challenging as two additional cixiid species <i>Reptalus quinquecostatus</i> and <i>Hyalesthes obsoletus</i> with a very close morphology have been reported in sugar beet fields. Further, identification of females and nymphs of <i>P. leporinus</i> at species level based on taxonomic key is not possible. In this study, an isothermal nucleic acid amplification based on recombinase polymerase amplification (RPA) was developed to specifically detect <i>P. leporinus.</i> In addition, real-time RPA was developed to detect both adults (male and female) and nymph stages using pure or crude nucleic acid extracts. The sensitivity of the real-time RPA for detection of <i>P. leporinus</i> was comparable to real-time PCR, but a shorter time (< 7 min) was required. This is a first report for real-time RPA application for <i>P. leporinus</i> detection using crude nucleic acid templates which can be applied for fast and specific detection of this vector in the field.</p>","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":" ","pages":"309-316"},"PeriodicalIF":1.6,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140854299","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":"Mitigating dengue incidence through advanced <i>Aedes</i> larval surveillance and control: A successful experience from Pakistan.","authors":"Sohail Abbas, Muneer Abbas, Aleena Alam, Niaz Hussain, Muhammad Irshad, Mudassar Khaliq, Xiao Han, Faisal Hafeez, Donato Romano, Ri Zhao Chen","doi":"10.1017/S0007485324000269","DOIUrl":"10.1017/S0007485324000269","url":null,"abstract":"<p><p>Dengue fever is a viral disease caused by one of four dengue stereotypes (Flavivirus: Flaviviridae) that are primarily transmitted by <i>Aedes albopictus</i> (Skuse) and <i>Aedes aegypti</i> (L.). To safeguard public health, it is crucial to conduct surveys that examine the factors favouring the presence of these species. Our study surveyed 42 councils across four towns within the Bhakkar district of Punjab Province, by inspecting man-made or natural habitats containing standing water. First, door-to-door surveillance teams from the district health department were assigned to each council to surveillance <i>Aedes</i> species and dengue cases. Second, data collection through surveillance efforts, and validation procedures were implemented, and the verified data was uploaded onto the Dengue Tracking System by Third Party Validation teams. Third, data were analysed to identify factors influencing dengue fever cases. The findings demonstrated the following: (1) Predominantly, instances were discerned among individuals who had a documented history of having travelled beyond the confines of the province. (2) Containers associated with evaporative air coolers and tyre shops were responsible for approximately 30% of the <i>Aedes</i> developmental sites. (4) Variability in temperature was responsible for approximately 45% of the observed differences in the quantity of recorded <i>Aedes</i> mosquito developmental sites. (5) Implementation of dengue prevention initiatives precipitated a 50% reduction in <i>Aedes</i>-positive containers, alongside a notable 70% decline in reported cases of dengue fever during the period spanning 2019 to 2020, while the majority of reported cases were of external origin. <i>Aedes</i> control measures substantially curtailed mosquito populations and lowered vector-virus interactions. Notably, local dengue transmission was eliminated through advanced and effective <i>Aedes</i> control efforts, emphasising the need for persistent surveillance and eradication of larval habitats in affected regions.</p>","PeriodicalId":9370,"journal":{"name":"Bulletin of Entomological Research","volume":" ","pages":"444-453"},"PeriodicalIF":1.6,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141070492","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}