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https://www.readbyqxmd.com/read/28637467/imported-plasmodium-falciparum-and-locally-transmitted-plasmodium-vivax-cross-border-malaria-transmission-scenario-in-northwestern-thailand
#1
Patchara Sriwichai, Stephan Karl, Yudthana Samung, Kirakorn Kiattibutr, Jeeraphat Sirichaisinthop, Ivo Mueller, Liwang Cui, Jetsumon Sattabongkot
BACKGROUND: Cross-border malaria transmission is an important problem for national malaria control programmes. The epidemiology of cross-border malaria is further complicated in areas where Plasmodium falciparum and Plasmodium vivax are both endemic. By combining passive case detection data with entomological data, a transmission scenario on the northwestern Thai-Myanmar border where P. falciparum is likely driven by importation was described, whereas P. vivax is also locally transmitted...
June 21, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28634430/evaluation-of-four-bait-traps-for-sampling-wireworm-coleoptera-elateridae-infesting-cereal-crops-in-montana
#2
Anuar Morales-Rodriguez, Aracely Ospina, Kevin W Wanner
The basic principles of a reliable integrated pest management program include pest identification, monitoring, and distribution. Selecting the appropriate sampling protocol to monitor wireworm for research or applied entomology depends on the objective, including simply detecting the presence or absence of wireworm, surveying the composition of wireworm assemblages, or estimating spatial and temporal population densities. In this study, the efficacy of pitfall, stocking, pot, and canister traps baited with wheat and barley mixtures was evaluated for monitoring wireworm populations in four commercial cereal fields in Montana...
2017: International Journal of Insect Science
https://www.readbyqxmd.com/read/28624159/from-the-laboratory-to-the-field-updating-capacity-building-in-medical-entomology
#3
Antonio Paulo Gouveia Almeida, Florence Fouque, Pascal Launois, Carla A Sousa, Henrique Silveira
Training and innovation in the field of medical entomology are essential to mitigate the burden of vector-borne diseases globally. However, there is a shortage of medical entomologists worldwide, and there are large discrepancies in capacity building in this field. In this article, we discuss the current situation, what is needed from the medical entomologist of today, and how we can bridge this gap.
June 14, 2017: Trends in Parasitology
https://www.readbyqxmd.com/read/28616499/emergence-of-wesselsbron-virus-among-black-rat-and-humans-in-eastern-senegal-in-2013
#4
Moussa M Diagne, Martin Faye, Oumar Faye, Abdourahmane Sow, Fanny Balique, Mbacké Sembène, Laurent Granjon, Pascal Handschumacher, Ousmane Faye, Mawlouth Diallo, Amadou A Sall
Wesselsbron disease is a neglected mosquito transmitted Flavivirus infection that causes abortions and has teratogenic effects on sheep and cattle in Africa. Human can also be infected. The detection of human or animal cases is complicated by the non-specific symptoms close to Rift Valley Fever (RVF) in domestic livestock species or Dengue like syndrome in humans. Then, these detections are usually made during RVF investigations in sheep. These domestic animals should take a role in the life cycle of the virus but some evidences of Wesselsbron virus (WSLV) presence in wild animals suggest that the latter may be involved in the virus maintenance in nature...
June 2017: One Health
https://www.readbyqxmd.com/read/28610296/three-new-species-of-mesonemoura-plecoptera-nemouridae-from-china
#5
Weihai Li, Jianxin Cui, Ding Yang
Three new species of the stonefly genus Mesonemoura, M. bispina sp. nov., M. trapezoidea sp. nov., and M. zwicki sp. nov., are described from China. Genitalic similarities with related species are discussed. The types are deposited in the Entomological Museum of China Agricultural University, Beijing and Henan Institute of Science and Technology, Xinxiang, respectively.
May 29, 2017: Zootaxa
https://www.readbyqxmd.com/read/28609955/two-new-species-of-the-nemourid-genus-i-amphinemura-i-plecoptera-nemouridae-from-china
#6
Weihai Li, Kaishu DU, Ding Yang
Two new species of the nemourid genus Amphinemura, A. dabanshana sp. nov. and A. kuankuoshui sp. nov., are described from Qinghai and Guizhou provinces of China. These two new species are compared with related taxa. The types of the new species are deposited in the Entomological Museum of China Agricultural University, Beijing and Henan Institute of Science and Technology, Xinxiang, respectively.
April 19, 2017: Zootaxa
https://www.readbyqxmd.com/read/28609899/two-new-species-of-the-genus-sinopodisma-chang-1940-orthoptra-acridoidea-catantopidae-podisminae-from-taiwan-china
#7
Bao-Hua Ye, Jian-Ping Shi, Zhan Yin
Two new species of the genus Sinopodisma Chang, 1940 from Taiwan, China are described in this paper. The new species Sinopodisma orchofemura sp. nov. is similar to Sinopodisma kodamae (Shiraki, 1910), but differs from latter in antennae length of joint 2.9 times width in the middle part, hind femur yellow, length of interspace of mesosternum larger than narrowest, tegmina almost reaching the hind margin of second abdominal tergum. The Sinopodisma hsinchuensis sp. nov. is similar to Sinopodisma orchofemura sp...
May 3, 2017: Zootaxa
https://www.readbyqxmd.com/read/28609872/review-of-continental-north-and-central-american-paracloeodes-day-1955-ephemeroptera-baetidae-including-description-of-a-new-species-from-minnesota-u-s-a
#8
Paulo Vilela Cruz, Andrew K Usher, Luke M Jacobus
Paracloeodes Day is a western hemisphere genus with 20 species, but only three of these valid species are known from continental North and Central America. Based on available literature comparisons, species-level identifications of these three species can be difficult. Considering the apparent similarity between them, the main objective of this study was to examine type and other material housed in the Purdue Entomological Research Collection and the University of Minnesota in order to evaluate species status and to elucidate additional diagnostic characters...
May 9, 2017: Zootaxa
https://www.readbyqxmd.com/read/28609450/serological-signatures-of-declining-exposure-following-intensification-of-integrated-malaria-control-in-two-rural-senegalese-communities
#9
Ronald Perraut, Marie-Louise Varela, Cheikh Loucoubar, Oumy Niass, Awa Sidibé, Adama Tall, Jean-François Trape, Amele Nyedzie Wotodjo, Babacar Mbengue, Cheikh Sokhna, Inès Vigan-Womas, Aissatou Touré, Vincent Richard, Odile Mercereau-Puijalon
Recent control scale-up has reduced malaria in many areas but new tools are needed to monitor further progress, including indicators of decreasing exposure to parasite infection. Although serology is considered a promising approach in this regard, the serological impact of control interventions has been so far studied using indirect quantification of exposure. Cohort surveys concomitantly recording entomological and malariometric indices have been conducted in two Senegalese settings where supervised control intensification implemented in 2006 shifted malaria from historically holoendemic in Dielmo and mesoendemic in Ndiop to hypoendemic in both settings by 2013...
2017: PloS One
https://www.readbyqxmd.com/read/28604832/insects-and-associated-arthropods-analyzed-during-medicolegal-death-investigations-in-harris-county-texas-usa-january-2013-april-2016
#10
Michelle R Sanford
The application of insect and arthropod information to medicolegal death investigations is one of the more exacting applications of entomology. Historically limited to homicide investigations, the integration of full time forensic entomology services to the medical examiner's office in Harris County has opened up the opportunity to apply entomology to a wide variety of manner of death classifications and types of scenes to make observations on a number of different geographical and species-level trends in Harris County, Texas, USA...
2017: PloS One
https://www.readbyqxmd.com/read/28595653/habitat-productivity-and-pyrethroid-susceptibility-status-of-aedes-aegypti-mosquitoes-in-dar-es-salaam-tanzania
#11
Leah Mathias, Vito Baraka, Anitha Philbert, Ester Innocent, Filbert Francis, Gamba Nkwengulila, Eliningaya J Kweka
BACKGROUND: Aedes aegypti (Diptera: Culicidae) is the main vector of the dengue virus globally. Dengue vector control is mainly based on reducing the vector population through interventions, which target potential breeding sites. However, in Tanzania, little is known about this vector's habitat productivity and insecticide susceptibility status to support evidence-based implementation of control measures. The present study aimed at assessing the productivity and susceptibility status of A...
June 9, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28592250/community-based-intermittent-mass-testing-and-treatment-for-malaria-in-an-area-of-high-transmission-intensity-western-kenya-study-design-and-methodology-for-a-cluster-randomized-controlled-trial
#12
Aaron M Samuels, Nobert Awino, Wycliffe Odongo, Benard Abong'o, John Gimnig, Kephas Otieno, Ya Ping Shi, Vincent Were, Denise Roth Allen, Florence Were, Tony Sang, David Obor, John Williamson, Mary J Hamel, S Patrick Kachur, Laurence Slutsker, Kim A Lindblade, Simon Kariuki, Meghna Desai
Most human Plasmodium infections in western Kenya are asymptomatic and are believed to contribute importantly to malaria transmission. Elimination of asymptomatic infections requires active treatment approaches, such as mass testing and treatment (MTaT) or mass drug administration (MDA), as infected persons do not seek care for their infection. Evaluations of community-based approaches that are designed to reduce malaria transmission require careful attention to study design to ensure that important effects can be measured accurately...
June 7, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28591255/entomological-survey-in-the-state-of-piau%C3%A3-northeastern-brazil-reveals-intradomiciliary-colonization-of-triatoma-brasiliensis-macromelasoma
#13
Silvia Menezes Dos Santos, Danielle Misael de Sousa, Jessica Pereira Dos Santos, José Felipe Pinheiro do Nascimento Vieira, Teresa Cristina Monte Gonçalves, Jacenir Reis Dos Santos-Mallet, Filipe Anibal Carvalho-Costa
This survey aimed to assess the presence of triatomine vectors of Chagas disease within the rural communities of São João do Piauí, Northeast Brazil. Intradomiciliary and peridomiciliary collection strategies were implemented wherein 279 specimens of Triatoma brasiliensis macromelasoma, both nymph and adult were found in 15 (50%) of the studied homes. Of the intradomiciliary insects, 73 (67.6%) were identified as nymph instars (1st instar [N1]= 6, N2= 14, N3= 28, N4= 7 and N5= 18). In the studied communities, a continuous interaction between triatomine bugs and humans could be shown...
June 1, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28589023/measuring-manipulating-and-exploiting-behaviours-of-adult-mosquitoes-to-optimise-malaria-vector-control-impact
#14
Gerry F Killeen, John M Marshall, Samson S Kiware, Andy B South, Lucy S Tusting, Prosper P Chaki, Nicodem J Govella
Residual malaria transmission can persist despite high coverage with effective long-lasting insecticidal nets (LLINs) and/or indoor residual spraying (IRS), because many vector mosquitoes evade them by feeding on animals, feeding outdoors, resting outdoors or rapidly exiting from houses after entering them. However, many of these behaviours that render vectors resilient to control with IRS and LLINs also make them vulnerable to some emerging new alternative interventions. Furthermore, vector control measures targeting preferred behaviours of mosquitoes often force them to express previously rare alternative behaviours, which can then be targeted with these complementary new interventions...
March 2017: BMJ Global Health
https://www.readbyqxmd.com/read/28586212/species-identification-of-necrophagous-insect-eggs-based-on-amino-acid-profile-differences-revealed-by-direct-analysis-in-real-time-high-resolution-mass-spectrometry
#15
Justine E Giffen, Jennifer Y Rosati, Cameron M Longo, Rabi Ann Musah
The colonization of decomposing remains by necrophagous insects such as blow flies is of forensic importance because the progression through the various stages of insect development can be correlated to time of death. The ability to infer this information hinges on accurate determination of the fly species that are associated with the entomological evidence collected. This evidence can include eggs, larvae, pupae and puparial casings. Determination of the egg's identity is particularly challenging because the eggs of multiple species are morphologically very similar...
June 6, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28582558/promed-mail-22-years-of-digital-surveillance-of-emerging-infectious-diseases
#16
Malwina Carrion, Lawrence C Madoff
ProMED-mail (ProMED) was launched in 1994 as an email service to identify unusual health events related to emerging and re-emerging infectious diseases and toxins affecting humans, animals and plants. It is used daily by public health leaders, government officials at all levels, physicians, veterinarians and other healthcare workers, researchers, private companies, journalists and the general public. Reports are produced and commentary provided by a global team of subject matter experts in a variety of fields including virology, parasitology, epidemiology, entomology, veterinary and plant disease specialists...
May 1, 2017: International Health
https://www.readbyqxmd.com/read/28574677/historical-perspectives-on-the-use-of-microscopes-in-dentistry
#17
James L Gutmann
The use of microscopes in dentistry has become quite popular since the late 1980s. However, its origin for dental applications can be traced to the early 20th century, when a microscope, invented by an American biologist named Greenough, working in the Zeiss Company, was adapted for use in dentistry. Initially it had been used in botany, metallurgy, and zoology, in addition to revolutionizing the study of coral and entomology.
2017: Journal of the History of Dentistry
https://www.readbyqxmd.com/read/28562600/effects-of-flood-irrigation-on-the-risk-of-selected-zoonotic-pathogens-in-an-arid-and-semi-arid-area-in-the-eastern-kenya
#18
Bernard Bett, Mohammed Y Said, Rosemary Sang, Salome Bukachi, Salome Wanyoike, Shem C Kifugo, Fredrick Otieno, Enoch Ontiri, Ian Njeru, Johanna Lindahl, Delia Grace
To investigate the effects of irrigation on land cover changes and the risk of selected zoonotic pathogens, we carried out a study in irrigated, pastoral and riverine areas in the eastern Kenya. Activities implemented included secondary data analyses to determine land use and land cover (LULC) changes as well as human, livestock and wildlife population trends; entomological surveys to characterize mosquitoes population densities and species distribution by habitat and season; and serological surveys in people to determine the risk of Rift Valley fever virus (RVFV), West Nile fever virus (WNV), dengue fever virus (DFV), Leptospira spp...
2017: PloS One
https://www.readbyqxmd.com/read/28558760/ecological-parameters-of-the-s-9-methylgermacrene-b-population-of-the-lutzomyia-longipalpis-complex-in-a-visceral-leishmaniasis-area-in-s%C3%A3-o-paulo-state-brazil
#19
Fredy Galvis-Ovallos, Claudio Casanova, Anaiá da Paixão Sevá, Eunice Aparecida Bianchi Galati
BACKGROUND: Visceral leishmaniasis (VL) is an important public health challenge in Brazil because of the high number of human and canine cases reported annually. Leishmania infantum is the etiological agent of VL and Lutzomyia longipalpis is its main vector. However, evidence suggests that this taxon constitutes a species complex. In Sao Paulo state, there are two populations of Lu. longipalpis, each secreting distinct pheromones, (S)-9-methylgermacrene-B and Cembrene 1; both have been associated with different patterns of VL transmission...
May 30, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28556457/the-new-insight-into-foregut-functions-of-xenobiotic-detoxification-in-the-cockroach-periplaneta-americana
#20
Jian-Hua Zhang, Song Zhang, Yuan-Xue Yang, Yi-Xi Zhang, Ze-Wen Liu
The physiological functions of insect foregut, especially in xenobiotic detoxification, are scarcely reported because of the unimportance in appearance and insufficient molecular information. The cockroach Periplaneta americana, an entomological model organism, provides perfect material to study physiological functions of foregut tissue due to its architectural feature. Through Illumina sequencing of foregut tissue from P. americana individuals (control) or insects treated with cycloxaprid, as novel neonicotinoid insecticide, 54 193 166 clean reads were obtained and further assembled into 53 853 unigenes with an average length of 366 bp...
May 26, 2017: Insect Science
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