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https://www.readbyqxmd.com/read/28926617/hidden-biodiversity-in-entomological-collections-the-overlooked-co-occurrence-of-dipteran-and-hymenopteran-ant-parasitoids-in-stored-biological-material
#1
Gabriela Pérez-Lachaud, Jean-Paul Lachaud
Biological collections around the world are the repository of biodiversity on Earth; they also hold a large quantity of unsorted, unidentified, or misidentified material and can house behavioral information on species that are difficult to access or no longer available to science. Among the unsorted, alcohol-preserved material stored in the Formicidae Collection of the 'El Colegio de la Frontera Sur' Research Center (Chetumal, Mexico), we found nine colonies of the ponerine ant Neoponera villosa, that had been collected in bromeliads at Calakmul (Campeche, Mexico) in 1999...
2017: PloS One
https://www.readbyqxmd.com/read/28917299/exploitation-of-chemical-herbal-and-nanoformulated-acaricides-to-control-the-cattle-tick-rhipicephalus-boophilus-microplus-a-review
#2
REVIEW
Balan Banumathi, Baskaralingam Vaseeharan, Periyannan Rajasekar, Narayanan Marimuthu Prabhu, Palaniappan Ramasamy, Kadarkarai Murugan, Angelo Canale, Giovanni Benelli
The tick Rhipicephalus (Boophilus) microplus is a key vector of bacterial and protozoan diseases causing heavy economic losses directly and indirectly in animal husbandry. In the past decades, the control of ticks faced some major issues, such as the rapid development of resistance in targeted vectors and non-target effects on human health and the environment, due to the employ of synthetic acaricides and repellents. Eco-friendly pesticides for treating and controlling animal parasites such as ticks were mainly from medicinal plants and thus they form the richest entity for manufacturing resources for drugs...
September 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28902879/chronic-plasmodium-brasilianum-infections-in-wild-peruvian-tamarins
#3
Gideon A Erkenswick, Mrinalini Watsa, M Andreína Pacheco, Ananias A Escalante, Patricia G Parker
There is an increased interest in potential zoonotic malarias. To date, Plasmodium malariae that infects humans remains indistinguishable from Plasmodium brasilianum, which is widespread among New World primates. Distributed throughout tropical Central and South America, the Callitrichidae are small arboreal primates in which detection of natural Plasmodium infection has been extremely rare. Most prior screening efforts have been limited to small samples, the use of low-probability detection methods, or both...
2017: PloS One
https://www.readbyqxmd.com/read/28892499/effectiveness-and-economic-assessment-of-routine-larviciding-for-prevention-of-chikungunya-and-dengue-in-temperate-urban-settings-in-europe
#4
Giorgio Guzzetta, Filippo Trentini, Piero Poletti, Frederic Alexandre Baldacchino, Fabrizio Montarsi, Gioia Capelli, Annapaola Rizzoli, Roberto Rosà, Stefano Merler, Alessia Melegaro
In the last decades, several European countries where arboviral infections are not endemic have faced outbreaks of diseases such as chikungunya and dengue, initially introduced by infectious travellers from tropical endemic areas and then spread locally via mosquito bites. To keep in check the epidemiological risk, interventions targeted to control vector abundance can be implemented by local authorities. We assessed the epidemiological effectiveness and economic costs and benefits of routine larviciding in European towns with temperate climate, using a mathematical model of Aedes albopictus populations and viral transmission, calibrated on entomological surveillance data collected from ten municipalities in Northern Italy during 2014 and 2015...
September 11, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28889865/estimating-the-age-of-the-adult-stages-of-the-blow-flies-lucilia-sericata-and-calliphora-vicina-diptera-calliphoridae-by-means-of-the-cuticular-hydrocarbon-n-pentacosane
#5
Victoria Bernhardt, Werner Pogoda, Marcel A Verhoff, Stefan W Toennes, Jens Amendt
Age estimation of insects like blow flies plays an important role in forensic entomology and can answer questions in regard to time of death. So far the focus is on the immature stages of these insects, but recently the adult fly became a target of interest. It has been established that the profile of specific cuticular hydrocarbons (CHCs) changes in a consistent pattern as adult insects age; thus, their analysis could be a promising tool for the age estimation of adult insects. We investigated the CHC n-pentacosane (nC25) on the legs of the adult blow flies Lucilia sericata and Calliphora vicina with gas chromatography-mass spectrometry...
September 2017: Science & Justice: Journal of the Forensic Science Society
https://www.readbyqxmd.com/read/28889361/brevibacillus-laterosporus-isolated-from-the-digestive-tract-of-honeybees-has-high-antimicrobial-activity-and-promotes-growth-and-productivity-of-honeybee-s-colonies
#6
Jamal M Khaled, Fahd A Al-Mekhlafi, Ramzi A Mothana, Naiyf S Alharbi, Khalid E Alzaharni, Anwar H Sharafaddin, Shine Kadaikunnan, Ahmed S Alobaidi, Noofal I Bayaqoob, Marimuthu Govindarajan, Giovanni Benelli
The development of novel antimicrobial drugs, as well as the discovery of novel compounds able to promote honeybee's growth, represents major challenges for modern entomology. The main aim of this study was to investigate whether Brevibacillus laterosporus isolated from the digestive tract of Saudi honeybees, Apis mellifera, was able to stimulate colony strength parameters of honeybees and to evaluate its ability to produce antimicrobial agents. Honeybees were collected in Dirab, Riyadh Region, Saudi Arabia, and microorganisms were isolated and identified by 16S ribosomal RNA analysis...
September 9, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28881951/monitoring-temporal-variation-to-assess-changes-in-the-structure-of-subtropical-atlantic-forest-butterfly-communities
#7
Cristiano Agra Iserhard, Helena Piccoli Romanowski, Aline Richter, Milton de Souza Mendonça
The study of fauna through long-term surveys is important in unveiling how temporal patterns shape the structure of communities in tropical habitats. The butterfly assemblage of the subtropical Atlantic Forest may be considered highly diverse and shows changes in diversity and composition over time, highlighting the importance of long-term inventories. This work assessed temporal diversity patterns in the distribution and composition of butterfly assemblages in an Atlantic Forest site in southern Brazil using combined data from three years of standardized sampling with entomological nets, increasing the knowledge on this group in the Neotropics for monitoring and conservation...
August 1, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28874020/is-pmi-the-hypothesis-or-the-null-hypothesis
#8
Aaron M Tarone, Michelle R Sanford
Over the past several decades, there have been several strident exchanges regarding whether forensic entomologists estimate the postmortem interval (PMI), minimum PMI, or something else. During that time, there has been a proliferation of terminology reflecting this concern regarding "what we do." This has been a frustrating conversation for some in the community because much of this debate appears to be centered on what assumptions are acknowledged directly and which are embedded within a list of assumptions (or ignored altogether) in the literature and in case reports...
September 1, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28873425/control-of-phlebotomus-argentipes-diptera-psychodidae-sand-fly-in-bangladesh-a-cluster-randomized-controlled-trial
#9
Rajib Chowdhury, Shyla Faria, M Mamun Huda, Vashkar Chowdhury, Narayan Prosad Maheswary, Dinesh Mondal, Shireen Akhter, Sakila Akter, Rajaul Karim Khan, Shah Golam Nabi, Axel Kroeger, Daniel Argaw, Jorge Alvar, Aditya Prasad Dash, Qamar Banu
BACKGROUND: A number of studies on visceral leishmaniasis (VL) vector control have been conducted during the past decade, sometimes came to very different conclusion. The present study on a large sample investigated different options which are partially unexplored including: (1) indoor residual spraying (IRS) with alpha cypermethrin 5WP; (2) long lasting insecticide impregnated bed-net (LLIN); (3) impregnation of local bed-nets with slow release insecticide K-O TAB 1-2-3 (KOTAB); (4) insecticide spraying in potential breeding sites outside of house using chlorpyrifos 20EC (OUT) and different combinations of the above...
September 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28870535/historical-overview-of-infantile-visceral-leishmaniasis-in-el-agamy-alexandria-egypt
#10
REVIEW
Hala A Kassem, John C Beier, Bahira M El Sawaf
Infantile visceral leishmaniasis (IVL) is considered a rare and neglected disease in Egypt. An outbreak of the disease in El Agamy, Alexandria occurred in 1982 although the disease was previously reported 80 years before. Epidemiological and entomological studies were conducted ever since the 1982 outbreak to identify human cases, the parasite, reservoir host and the sand fly vector. Leishmania infantum MON-98, a new and unique zymodeme, was responsible of the disease. Stray dogs acted as the reservoir host and Phlebotomus langeroni was the proven vector...
September 8, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28866239/an-evaluation-of-soil-chemistry-in-human-cadaver-decomposition-islands-potential-for-estimating-postmortem-interval-pmi
#11
J P Fancher, J A Aitkenhead-Peterson, T Farris, K Mix, A P Schwab, D J Wescott, M D Hamilton
Soil samples from the Forensic Anthropology Research Facility (FARF) at Texas State University, San Marcos, TX, were analyzed for multiple soil characteristics from cadaver decomposition islands to a depth of 5centimeters (cm) from 63 human decomposition sites, as well as depths up to 15cm in a subset of 11 of the cadaver decomposition islands plus control soils. Postmortem interval (PMI) of the cadaver decomposition islands ranged from 6 to 1752 days. Some soil chemistry, including nitrate-N (NO3-N), ammonium-N (NH4-N), and dissolved inorganic carbon (DIC), peaked at early PMI values and their concentrations at 0-5cm returned to near control values over time likely due to translocation down the soil profile...
August 18, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28859353/medical-entomology-a-reemerging-field-of-research-to-better-understand-vector-borne-infectious-diseases
#12
Maureen Laroche, Jean-Michel Bérenger, Pascal Delaunay, Remi Charrel, Bruno Pradines, Franck Berger, Stéphane Ranque, Idir Bitam, Bernard Davoust, Didier Raoult, Philippe Parola
In the last decade, the Chikungunya and Zika virus outbreaks have turned public attention to the possibility of the expansion of vector-borne infectious diseases worldwide. Medical entomology is focused on the study of arthropods involved in human health. We review here some of the research approaches taken by the medical entomology team of the University Hospital Institute (UHI) Méditerranée Infection of Marseille, France, with the support of recent or representative studies. We propose our approaches to technical innovations in arthropod identification and the detection of microorganisms in arthropods, the use of arthropods as epidemiological or diagnostic tools, entomological investigations around clinical cases or within specific populations, and how we have developed experimental models to decipher the interactions between arthropods, microorganisms, and humans...
August 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28851425/direct-evidence-for-an-expanded-circulation-area-of-the-recently-identified-balkan-virus-sandfly-fever-naples-virus-species-in-several-countries-of-the-balkan-archipelago
#13
Nazli Ayhan, Bulent Alten, Vladimir Ivovic, Vit Dvořák, Franjo Martinkovic, Jasmin Omeragic, Jovana Stefanovska, Dusan Petric, Slavica Vaselek, Devrim Baymak, Ozge E Kasap, Petr Volf, Remi N Charrel
BACKGROUND: Recently, Balkan virus (BALKV, family Phenuiviridae, genus Phlebovirus) was discovered in sand flies collected in Albania and genetically characterised as a member of the Sandfly fever Naples species complex. To gain knowledge concerning the geographical area where exposure to BALKV exists, entomological surveys were conducted in 2014 and 2015, in Croatia, Bosnia and Herzegovina (BH), Kosovo, Republic of Macedonia and Serbia. RESULTS: A total of 2830 sand flies were trapped during 2014 and 2015 campaigns, and organised as 263 pools...
August 29, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28851424/sand-fly-diptera-psychodidae-phlebotominae-abundance-and-diversity-in-areas-affected-by-the-s%C3%A3-o-francisco-river-transposition-project-in-cear%C3%A3-state-brazil
#14
Júlia Dos Santos Silva, Lindemberg Caranha, Fabrício Kássio Moura Santos, Antonio Pereira Dos Santos, Luiz Osvaldo Rodrigues da Silva, Elizabeth Ferreira Rangel
BACKGROUND: Entomological surveillance of sand fly vectors was carried out to support leishmaniasis prevention and control measures in areas affected by the São Francisco River Transposition Project. METHODS: Sand flies were collected monthly between May 2011 and December 2014 in seven municipalities: Missão Velha, Brejo Santo, Lavras da Mangabeira, Iguatu, Mauriti, Jaguaribe and Jaguaretama, in dwellings, peridomicile and forest areas for three consecutive days, for a period of 12 h each day (18:00 to 06:00 h)...
August 29, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28843096/insect-succession-on-pig-carcasses-using-different-exposure-time-a-preliminary-study-in-guangzhou-china
#15
Yu Wang, Jiangfeng Wang, Zufeng Wang, Luyang Tao
The exposure time of carcasses in insect succession studies are generally not consistent and more than 40% studies start in the morning. How such an arrangement affects the succession of insects is worth evaluating. In this study, six piglet carcasses (15-17 kg) were exposed at 6 time points during the day: 11:00, 15:00, 19:00, 23:00, 03:00 and 07:00 on July 20th-July 21st 2006 in Guangzhou, China to investigate the potential effects of the time of day of carcass exposure on body decomposition and insect succession, and also to provide fundamental data on insect succession in summer for this area...
August 18, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28820716/evaluation-of-community-directed-operation-of-black-fly-traps-for-entomological-surveillance-of-onchocerca-volvulus-transmission-in-the-madi-mid-north-focus-of-onchocerciasis-in-northern-uganda
#16
Denis Loum, Charles R Katholi, Thomson Lakwo, Peace Habomugisha, Edridah M Tukahebwa, Thomas R Unnasch
Entomological measures of transmission are important metrics specified by the World Health Organization to document the suppression and interruption of transmission of Onchocerca volvulus, the causative agent of onchocerciasis. These metrics require testing of large numbers of vector black flies. Black fly collection has relied on human landing collections, which are inefficient and potentially hazardous. As the focus of the international community has shifted from onchocerciasis control to elimination, replacement of human landing collections has become a priority...
July 31, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28818626/wild-populations-of-triatoma-infestans-compilation-of-positive-sites-and-comparison-of-their-ecological-niche-with-domestic-population-niche
#17
Simone Frédérique Brenière, Rosio Buitrago, Etienne Waleckx, Stéphanie Depickère, Victor Sosa, Christian Barnabé, David Gorla
BACKGROUND: For several years, the wild populations of Triatoma infestans, main vector of Trypanosoma cruzi causing Chagas disease, have been considered or suspected of being a source of reinfestation of villages. The number of sites reported for the presence of wild T. infestans, often close to human habitats, has greatly increased, but these data are scattered in several publications, and others obtained by our team in Bolivia have not been published yet. METHODOLOGY/PRINCIPAL FINDINGS: Herein is compiled the largest number of wild sites explored for the presence of T...
August 15, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28817629/maldi-tof-ms-identification-of-anopheles-gambiae-giles-blood-meal-crushed-on-whatman-filter-papers
#18
Sirama Niare, Lionel Almeras, Fatalmoudou Tandina, Amina Yssouf, Affane Bacar, Ali Toilibou, Ogobara Doumbo, Didier Raoult, Philippe Parola
BACKGROUND: Identification of the source of mosquito blood meals is an important component for disease control and surveillance. Recently, matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) profiling has emerged as an effective tool for mosquito blood meal identification, using the abdomens of freshly engorged mosquitoes. In the field, mosquito abdomens are crushed on Whatman filter papers to determine the host feeding patterns by identifying the origin of their blood meals...
2017: PloS One
https://www.readbyqxmd.com/read/28817563/assessment-of-risk-of-dengue-and-yellow-fever-virus-transmission-in-three-major-kenyan-cities-based-on-stegomyia-indices
#19
Sheila B Agha, David P Tchouassi, Armanda D S Bastos, Rosemary Sang
Dengue (DEN) and yellow fever (YF) are re-emerging in East Africa, with contributing drivers to this trend being unplanned urbanization and increasingly adaptable anthropophilic Aedes (Stegomyia) vectors. Entomological risk assessment of these diseases remains scarce for much of East Africa and Kenya even in the dengue fever-prone urban coastal areas. Focusing on major cities of Kenya, we compared DEN and YF risk in Kilifi County (DEN-outbreak-prone), and Kisumu and Nairobi Counties (no documented DEN outbreaks)...
August 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28817086/non-destructive-analysis-of-the-internal-anatomical-structures-of-mosquito-specimens-using-optical-coherence-tomography
#20
Naresh Kumar Ravichandran, Ruchire Eranga Wijesinghe, Seung-Yeol Lee, Kwang Shik Choi, Mansik Jeon, Hee-Young Jung, Jeehyun Kim
The study of mosquitoes and analysis of their behavior are of crucial importance in the on-going efforts to control the alarming increase in mosquito-borne diseases. Furthermore, a non-destructive and real-time imaging technique to study the anatomical features of mosquito specimens can greatly aid the study of mosquitoes. In this study, we demonstrate the three-dimensional imaging capabilities of optical coherence tomography (OCT) for structural analysis of Anopheles sinensis mosquitoes. The anatomical features of An...
August 17, 2017: Sensors
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