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Source: Medical and Veterinary Entomology
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Total 505 results found since Jan 2013.
Assessing natural infection with Zika virus in the southern house mosquito, Culex quinquefasciatus, during 2016 in Puerto Rico
Medical and Veterinary Entomology,Volume 32, Issue 2, Page 255-258, June 2018.
Source: Medical and Veterinary Entomology - December 14, 2017 Category: Veterinary Research Authors: D. A.
YEE
,
R.
DEJESUS ‐CRESPO
,
F. F.
HUNTER
,
F.
BAI Source Type: research
Does the mosquito Culex pipiens represent a potential vector of hepatitis C virus?
Medical and Veterinary Entomology,Volume 32, Issue 2, Page 155-161, June 2018.
Source: Medical and Veterinary Entomology - December 14, 2017 Category: Veterinary Research Authors: S. E.
EL ‐KHOLY
,
I. M.
EL‐HUSSEINY
,
W. S.
MESHRIF
,
A. ABOU
EL‐AZM
,
M. L.
SALEM Source Type: research
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Medical and Veterinary Entomology, Ahead of Print.
Source: Medical and Veterinary Entomology - December 5, 2017 Category: Veterinary Research Source Type: research
Temporal distribution of, and effect of anthropic modifications on, phlebotomine populations in the Chaco Bioregion, Argentina
Medical and Veterinary Entomology, EarlyView.
Source: Medical and Veterinary Entomology - December 5, 2017 Category: Veterinary Research Source Type: research
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Medical and Veterinary Entomology, Ahead of Print.
Source: Medical and Veterinary Entomology - December 4, 2017 Category: Veterinary Research Source Type: research
Bionomics of livestock ‐associated Culicoides (biting midge) bluetongue virus vectors under laboratory conditions
Medical and Veterinary Entomology, EarlyView.
Source: Medical and Veterinary Entomology - December 4, 2017 Category: Veterinary Research Source Type: research
The effects of acaricide treatment of sheep on red grouse Lagopus lagopus scotica tick burdens and productivity in a multi ‐host system
This study examines the effects of sheep management on grouse tick burdens and productivity using sites with a range of wild host densities. Sites at which applications of acaricide were more frequent had lower tick burdens; this relationship was similar on sites with a range of deer densities. However, no direct link was detected between acaricide treatment interval and grouse productivity. Sites with higher deer densities had higher grouse tick burdens and lower productivity [mean ± standard error (SE) young : adult ratio: 1.2 ± 0.2] compared with sites with lower deer densities (mean ± SE young : adul...
Source: Medical and Veterinary Entomology - December 1, 2017 Category: Veterinary Research Authors: K. Fletcher, D. Baines Tags: Original Article Source Type: research
Does the mosquito Culex pipiens represent a potential vector of hepatitis C virus?
This study was designed to examine the possibility that the mosquito Culex pipiens (Diptera: Culicidae) might serve as a vector of HCV. A series of laboratory experiments were conducted in female Cx. pipiens that were fed on blood taken from HCV patients and tested for the presence of HCV RNAs using a reverse transcription polymerase chain reaction technique. In addition, the ability of the female mosquito to transmit HCV to human blood through membrane feeding or to its offspring (larvae) was tested. Although positive strand RNA was detected on days 1,7 and 14, negative strand HCV RNA was detected in mosquito body homoge...
Source: Medical and Veterinary Entomology - December 1, 2017 Category: Veterinary Research Authors: S. E. El ‐Kholy, I. M. El‐Husseiny, W. S. Meshrif, A. Abou El‐Azm, M. L. Salem Tags: Original Article Source Type: research
Dispersal capacity of Haematopota spp. and Stomoxys calcitrans using a mark –release–recapture approach in Belgium
Abstract
The dispersion potential of mechanical vectors is an important factor in the dissemination of pathogens. A mark–release–recapture experiment was implemented using two groups (unfed and partially fed) of the Tabanidae (Diptera) (Haematopota spp.) and biting Muscidae (Diptera) (Stomoxys calcitrans) most frequently collected in Belgium in order to evaluate their dispersion potential. In total, 2104 specimens of Haematopota spp. were collected directly from horses and 5396 S. calcitrans were collected in a cattle farm using hand‐nets. Some of these insects were partially fed in vitro and all were subsequently co...
Source: Medical and Veterinary Entomology - December 1, 2017 Category: Veterinary Research Authors: L. Lempereur, C. Sohier, F. Smeets, F. Mar échal, D. Berkvens, M. Madder, F. Francis, B. Losson Tags: Original Article Source Type: research
The unusual reproductive system of head and body lice (Pediculus humanus)
Abstract
Insect reproduction is extremely variable, but the implications of alternative genetic systems are often overlooked in studies on the evolution of insecticide resistance. Both ecotypes of Pediculus humanus (Phthiraptera: Pediculidae), the human head and body lice, are human ectoparasites, the control of which is challenged by the recent spread of resistance alleles. The present study conclusively establishes for the first time that both head and body lice reproduce through paternal genome elimination (PGE), an unusual genetic system in which males transmit only their maternally derived chromosomes. Here, we invest...
Source: Medical and Veterinary Entomology - December 1, 2017 Category: Veterinary Research Authors: A. G. de la Filia, S. Andrewes, J. M. Clark, L. Ross Tags: Original Article Source Type: research
Bionomics of livestock ‐associated Culicoides (biting midge) bluetongue virus vectors under laboratory conditions
This study reports on the bionomics of livestock‐associated vector Culicoides species under laboratory conditions. Insects were collected from the field from spring to autumn 2014 on a cattle farm in Spain. Eggs obtained from gravid females were maintained for larval rearing and pupal development. Culicoides imicola Kieffer took the longest time to oviposit; the highest number of eggs was laid by Culicoides circumscriptus Kieffer (148.7 ± 73.8 eggs). Field‐collected gravid C. imicola and Obsoletus complex females showed the longest lifespans. The longest lifecycle, generally more than 40 days, was recorded for C...
Source: Medical and Veterinary Entomology - December 1, 2017 Category: Veterinary Research Authors: C. Barcel ó, M. A. Miranda Tags: Original Article Source Type: research
Temporal distribution of, and effect of anthropic modifications on, phlebotomine populations in the Chaco Bioregion, Argentina
Abstract
The Phlebotominae (Diptera: Psychodidae) are insects of medical and veterinary importance, because some species are able to transmit pathogens such as Leishmania spp. In the last 20 years, numerous leishmaniasis outbreaks have been reported in the Chaco Bioregion (Argentina), with an increasing trend of cases associated with periurban transmission. The Chaco Bioregion has two sub‐regions according to their climatic and ecological characteristics: the Dry Chaco and the Humid Chaco. In the present study, sandfly captures were performed in both sub‐regions, at sites with different levels of anthropic modificati...
Source: Medical and Veterinary Entomology - December 1, 2017 Category: Veterinary Research Authors: E. A. Szelag, J. R. Rosa, M. G. Quintana, O. D. Salomon Tags: Original Article Source Type: research
A distinct group of north European Aedes vexans as determined by mitochondrial and nuclear markers
Abstract
The floodwater mosquito Aedes (Aedimorphus) vexans (Meigen, 1830) (Diptera: Culicidae) is common in several areas of Sweden and is predicted to become more abundant in the wake of expected changes in precipitation and temperature caused by climate change. As well as being a nuisance, Ae. vexans can act as a vector of over 30 viruses. In the event of an outbreak of disease caused by a vector‐borne virus, knowledge of the distribution, population structure and intermixing of populations from different locations will help direct resources to target locations to prevent spread of the pathogen. The present study ana...
Source: Medical and Veterinary Entomology - December 1, 2017 Category: Veterinary Research Authors: T. Lilja, K. Troell, H. Kirik, A. Lindstr öm Tags: Original Article Source Type: research
