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https://www.readbyqxmd.com/read/28427964/scanning-electron-microscopic-studies-on-antenna-of-hemipyrellia-ligurriens-wiedemann-1830-diptera-calliphoridae-a-blow-fly-species-of-forensic-importance
#1
Garima Hore, Aniruddha Maity, Atanu Naskar, Waliza Ansar, Shyamasree Ghosh, Goutam Kumar Saha, Dhriti Banerjee
Blow flies (Diptera: Calliphoridae) are one of the foremost organisms amongst forensic insects to colonize corpses shortly after death, thus are of immense importance in the domain of forensic entomology. The blow fly Hemipyrellia ligurriens (Wiedemann, 1830) (Diptera: Calliphoridae) is considered as a forensically important fly species globally and is also known for its medical and veterinary importance. In the present study, we report for the first time scanning electron microscopic studies on the morphology of sensilla of antenna of adult male and female of H...
April 17, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28425959/the-cost-of-arbovirus-disease-prevention-in-europe-area-wide-integrated-control-of-tiger-mosquito-aedes-albopictus-in-emilia-romagna-northern-italy
#2
Massimo Canali, Stefano Rivas-Morales, Philippe Beutels, Claudio Venturelli
Aedes albopictus (tiger mosquito) has become the most invasive mosquito species worldwide, in addition to being a well-known vector of diseases, with a proven capacity for the transmission of chikungunya and dengue viruses in Europe as well as the Zika virus in Africa and in laboratory settings. This research quantifies the cost that needs to be provided by public-health systems for area-wide prevention of arboviruses in Europe. This cost has been calculated by evaluating the expenditure of the plan for Aedes albopictus control set up in the Emilia-Romagna region (Northern Italy) after a chikungunya outbreak occurred in 2007...
April 20, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28419283/dna-based-identification-of-forensically-important-blow-flies-diptera-calliphoridae-from-india
#3
Meenakshi Bharti, Baneshwar Singh
Correct species identification is the first and the most important criteria in entomological evidence-based postmortem interval (PMI) estimation. Although morphological keys are available for species identification of adult blow flies, keys for immature stages are either lacking or are incomplete. In this study, cytochrome oxidase subunit 1 (COI) reference data were developed from nine species (belonging to three subfamilies, namely, Calliphorinae, Luciliinae, and Chrysomyinae) of blow flies from India. Seven of the nine species included in this study were found suitable for DNA-based identification using COI gene, because they showed nonoverlapping intra- (0...
April 17, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28406404/risk-of-daytime-transmission-of-malaria-in-the-french-guiana-rain-forest
#4
V Pommier de Santi, I Dusfour, E de Parseval, B Lespinet, C Nguyen, P Gaborit, R Carinci, G Hyvert, R Girod, S Briolant
Between 2008 and 2014, there were 1070 malaria cases reported in French Guiana among members of the armed forces. Most of the malaria outbreaks investigated were multifactorial and followed missions conducted at illegal gold mining sites. For example, a malaria outbreak occurred in September 2013, three weeks after the deployment of 15 soldiers at Dagobert, which is such a site. The attack rate was 53%, with seven Plasmodium vivax infections and one coinfection with both Plasmodium vivax and Plasmodium falciparum...
February 1, 2017: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/28399306/effect-of-temperature-thresholds-on-modeled-aedes-aegypti-diptera-culicidae-population-dynamics
#5
Heidi E Brown, Roberto Barrera, Andrew C Comrie, Joceline Lega
Dynamic simulation models provide vector abundance estimates using only meteorological data. However, model outcomes may heavily depend on the assumptions used to parameterize them. We conducted a sensitivity analysis for a model of Aedes aegypti (L.) abundance using weather data from two locations where this vector is established, La Margarita, Puerto Rico and Tucson, Arizona. We tested the effect of simplifying temperature-dependent development and mortality rates and of changing development and mortality thresholds as compared with baselines estimated using biophysical models...
March 13, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28399290/bionomics-of-anopheles-fluviatilis-and-anopheles-culicifacies-diptera-culicidae-in-relation-to-malaria-transmission-in-east-central-india
#6
S S Sahu, K Gunasekaran, N Krishnamoorthy, P Vanamail, A Mathivanan, A Manonmani, P Jambulingam
The southern districts of Odisha State in east-central India have been highly endemic for falciparum malaria for many decades. However, there is no adequate information on the abundance of the vector species or their bionomics in relation to space and time in these districts. Therefore, a study was carried out on the entomological aspects of malaria transmission to generate such information. Collections of mosquitoes were made once during each of the three seasons in 128 villages selected from eight districts...
March 25, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28399263/ecological-niche-model-for-predicting-distribution-of-disease-vector-mosquitoes-in-yucat%C3%A3-n-state-m%C3%A3-xico
#7
Carlos M Baak-Baak, David A Moo-Llanes, Nohemi Cigarroa-Toledo, Fernando I Puerto, Carlos Machain-Williams, Guadalupe Reyes-Solis, Yoshinori J Nakazawa, Armando Ulloa-Garcia, Julian E Garcia-Rejon
The majority of the Yucatán State, México, presents subtropical climate that is suitable for many species of mosquitoes that are known to be vectors of diseases, including those from the genera Aedes and Culex. The objective of this study is to identify the geographic distribution of five species from these two genera and estimate the human population at risk of coming in contact with them. We compiled distributional data for Aedes aegypti (L.), Aedes (Howardina) cozumelensis (Diaz Najera), Culex coronator Dyar and Knab, Culex quinquefasciatus Say, and Culex thriambus Dyar from several entomological studies in Yucatán between March 2010 and September 2014...
March 7, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28399226/biology-of-triatoma-sherlocki-hemiptera-reduviidae-under-laboratory-conditions-biological-cycle-and-resistance-to-starvation
#8
Vanessa Lima-Neiva, Teresa C M Gonçalves, Leonardo S Bastos, Marcia Gumiel, Nathália C Correia, Catia C Silva, Carlos E Almeida, Jane Costa
Triatoma sherlocki Papa, Jurberg, Carcavallo, Cerqueira & Barata was described in 2002, based on specimens caught in the wild in the municipality of Gentio do Ouro, Bahia, Brazil. In 2009, nymphs and adults were detected inside homes and sylvatic specimens were positive for Trypanosoma cruzi (Chagas). No information on the bionomics of T. sherlocki exists, although such data are considered essential to estimate its vector and colonization potential in domestic environments. Herein, the biological cycle of T...
March 30, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28399203/checklist-of-mosquito-species-diptera-culicidae-in-the-rio-grande-do-norte-state-brazil-contribution-of-entomological-surveillance
#9
Cássio Lázaro Silva Inácio, José Hilário Tavares da Silva, Renato César de Melo Freire, Renata Antonaci Gama, Carlos Brisola Marcondes, Maria de Fátima Freire de Melo Ximenes
The distribution of mosquito species in Rio Grande do Norte state, Brazil, was compiled from published data mid-2016 and a review of specimens deposited in the entomological collection of the Entomology Laboratory of the Federal University of Rio Grande do Norte. The existing records exist for 40 of the 167 municipalities in the state. The specimens in the Entomology Laboratory were collected using Shannon traps and by active search for immature individuals and from aquatic habitats using standard methods, in preserved Atlantic Forest and Caatinga remnants, located in urban and rural areas of the state...
February 17, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28391112/validating-sonication-as-a-dna-extraction-method-for-use-with-carrion-flies
#10
Trevor Stamper, E Scott Wong, Alicia Timm, Ronald W DeBry
Entomological evidence can be critical in establishing a postmortem interval estimate. DNA-based species identification can be an extremely valuable tool for forensic entomology. The problem of processing samples in a consistent, cost-effective manner that retains the morphological attributes of the specimen for vouchering has led us to investigate sonication as a primary means of non-destructive DNA extraction from carrion flies. We analyze the efficacy of this technique and compare it to an established DNA extraction technique - the Qiagen DNeasy tissue kit...
March 20, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28390027/insects-associated-with-pig-carrion-in-two-environments-of-the-brazilian-savanna
#11
L S de Faria, M L Paseto, M S Couri, C A Mello-Patiu, J Mendes
Studies of carrion fauna have increased in Brazil and have contributed to the knowledge of this fauna in the national territory. Brazil has continental dimensions and presents various biomes in its territorial area. Most of the carrion fauna have seldom been studied, and this is especially true for the Savanna or "Cerrado." The present research examined the fauna visiting carrion in two environments and two seasons in a rural area situated in a region of Cerrado in southeastern Brazil. The two environments studied were a pasture and a fragment of semi-deciduous forest...
April 8, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28388320/entomological-investigations-during-early-stages-of-a-chikungunya-outbreak-in-the-united-states-virgin-islands-2014
#12
Joan L Kenney, Kristen L Burkhalter, Mariah L Scott, Janet McAllister, Francine E Lang, Stevie Webster, Dwayne J Maduro, Juanita Johannes, Alistair Liburd, John-Paul Mutebi
During the 2014 chikungunya (CHIK) outbreak in the Caribbean, we performed entomological surveys on 3 United States Virgin Islands (USVI): St. Croix, St. Thomas, and St. John. We aimed to evaluate the potential for chikungunya virus (CHIKV) transmission in the USVI. The surveys took place between June 19, 2014, and June 29, 2014, during the dry season in USVI. A total of 1,929 adult mosquitoes belonging to 4 species- Culex quinquefasciatus (68.4%), Aedes aegypti (29.7%), Ae. mediovittatus (1.3%), and Ae. sollicitans (<1%)-were detected...
March 2017: Journal of the American Mosquito Control Association
https://www.readbyqxmd.com/read/28384307/studies-on-sand-fly-fauna-and-ecological-analysis-of-phlebotomus-orientalis-in-the-highland-and-lowland-foci-of-kala-azar-in-northwestern-ethiopia
#13
Esayas Aklilu, Araya Gebresilassie, Solomon Yared, Mizan Kindu, Habte Tekie, Meshesha Balkew, Alon Warburg, Asrat Hailu, Teshome Gebre-Michael
BACKGROUND: Visceral leishmaniasis (VL) also known as kala-azar is a growing health problem in Ethiopia with an estimated annual VL incidence between 3700 and 7400. The disease is mainly endemic in northwestern parts of the country. The aim of the current study was to determine the sand fly fauna and ecology of Phlebotomus orientalis in two endemic and ecologically distinct areas of northwestern Ethiopia. METHODS: Sand flies were collected using CDC light traps, sticky traps and pyrethrum spray catches from peri-domestic, mixed forest, farm field and indoor habitats from both Libo-Kemkem (May 2011-April 2012) and Metema (October 2012-September 2013) districts...
2017: PloS One
https://www.readbyqxmd.com/read/28376893/effects-of-socio-demographic-characteristics-and-household-water-management-on-aedes-aegypti-production-in-suburban-and-rural-villages-in-laos-and-thailand
#14
Nanthasane Vannavong, Razak Seidu, Thor-Axel Stenström, Nsa Dada, Hans J Overgaard
BACKGROUND: Dengue fever is a mosquito-borne disease accounting for 50-100 million annual cases globally. Laos and Thailand are countries in south-east Asia where the disease is endemic in both urban and rural areas. Household water storage containers, which are favourable breeding sites for dengue mosquitoes, are common in these areas, due to intermittent or limited access to water supply. This study assessed the effect of household water management and socio-demographic risk factors on Aedes aegypti infestation of water storage containers...
April 4, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28375172/post-colonization-interval-estimates-using-multi-species-calliphoridae-larval-masses-and-spatially-distinct-temperature-data-sets-a-case-study
#15
Courtney R Weatherbee, Jennifer L Pechal, Trevor Stamper, M Eric Benbow
Common forensic entomology practice has been to collect the largest Diptera larvae from a scene and use published developmental data, with temperature data from the nearest weather station, to estimate larval development time and post-colonization intervals (PCIs). To evaluate the accuracy of PCI estimates among Calliphoridae species and spatially distinct temperature sources, larval communities and ambient air temperature were collected at replicate swine carcasses (N = 6) throughout decomposition. Expected accumulated degree hours (ADH) associated with Cochliomyia macellaria and Phormia regina third instars (presence and length) were calculated using published developmental data sets...
April 4, 2017: Insects
https://www.readbyqxmd.com/read/28370147/morphology-and-dna-barcoding-reveal-three-species-in-one-description-of-culicoides-cryptipulicaris-sp-nov-and-culicoides-quasipulicaris-sp-nov-in-the-subgenus-culicoides
#16
S Talavera, F Muñoz-Muñoz, M Verdún, N Pagès
Species of the genus Culicoides (Diptera: Ceratopogonidae) are well known for their importance in the field of medical and veterinary entomology. Culicoides spp. transmit a wide variety of pathogens, primarily viruses that affect animals and humans. In Europe, the most economically important disease transmitted by Culicoides is bluetongue (BT). Culicoides spp. have been recently involved as primary vectors for Schmallenberg disease. The taxonomy within the subgenus Culicoides has been historically difficult and reorganizations have been proposed regularly...
March 28, 2017: Medical and Veterinary Entomology
https://www.readbyqxmd.com/read/28366622/chronobiological-studies-on-body-search-oviposition-and-emergence-of-megaselia-scalaris-diptera-phoridae-in-controlled-conditions
#17
Esta Bostock, Edward W Green, Charalambos P Kyriacou, Stefano Vanin
Circadian clocks have evolved to synchronize physiology, metabolism and behaviour to the 24-h geophysical cycles of the Earth. Understanding the circadian clock mechanism could play an important role in forensic entomology because it temporally gates behaviour such as locomotor activities, feeding, mating, egg laying and adult emergence which could provide useful information for crime reconstruction. The scuttle fly Megaselia scalaris colonises both exposed and buried bodies, whether indoors or outdoors. Locomotor activity, oviposition and adult emergence of this species have been investigated using technologies employed in many previous Drosophila circadian studies...
March 18, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28356232/detection-of-high-leishmania-infantum-loads-in-phlebotomus-perniciosus-captured-in-the-leishmaniasis-focus-of-southwestern-madrid-region-spain-by-real-time-pcr
#18
Estela González, Ana Álvarez, Sonia Ruiz, Ricardo Molina, Maribel Jiménez
Since 2010 a human leishmaniasis outbreak has been notified in southwestern Madrid region that still remains active. Entomological surveys have been carried out in the affected area in order to obtain information about species diversity, distribution, and density of sand flies. Moreover, molecular identification of blood meal preferences of sand flies and molecular detection of Leishmania infantum has been performed. In this work, we optimized a real time PCR assay in order to determine parasite loads in unfed and blood-fed Phlebotomus perniciosus female sand flies caught in the focus area...
March 27, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28355326/soul-butterfly-mythological-nymph-psyche-in-philosophy-and-neuroscience
#19
Elena I Antonakou, Lazaros C Triarhou
The term "psyche" and its derivatives - including "Psychology" and "Psychiatry" - are rooted in classical philosophy and in mythology. Over the centuries, psyche has been the subject of discourse and contemplation, and of fable; it has also come to signify, in entomology, the order of Lepidoptera. In the current surge of research on brain and mind, there is a gradual transition from the psyche (or the "soul") to the specified descriptors defined by the fields of Behavioral, Cognitive and Integrative Neuroscience...
March 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/28353206/assessing-spatio-temporal-trend-of-vector-breeding-and-dengue-fever-incidence-in-association-with-meteorological-conditions
#20
Afifa Malik, Abdullah Yasar, Amtul Bari Tabinda, Ihsan Elahi Zaheer, Khalida Malik, Adeeba Batool, Yusra Mahfooz
Th aim of this study is to investigate spatio-temporal trends of dengue vector breeding and epidemic (disease incidence) influenced by climatic factors. The spatio-temporal (low-, medium-, and high-intensity periods) evaluation of entomological and epidemiological investigations along with climatic factors like rainfall (RF), temperature (Tmax), relative humidity (RH), and larval indexing was conducted to develop correlations in the area of Lahore, Pakistan. The vector abundance and disease transmission trend was geo-tagged for spatial insight...
April 2017: Environmental Monitoring and Assessment
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