Amblyomma variegatum
Efficacy of slow release tags impregnated with aggregation attachment pheromone and deltamethrin for control of Amblyomma variegatum on St Kitts, West Indies
... tick, Amblyomma variegatum, was in- troduced onto the Caribbean island of Guadeloupe on cattle imported from Senegal in the early 1800s ...that Amblyomma varie- gatum has long mouth parts and ...
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RNA viruses of Amblyomma variegatum and Rhipicephalus microplus and Cattle Susceptibility in the French Antilles
... Finally, Amblyomma variegatum and Rhipicephalus microplus also displayed differences in co- infection ...positive Amblyomma variegatum samples were mono- infected by KTV (41%), the positive ...
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IN VITRO LOUSCIDAL AND ACARICIDAL ACTIVITIES OF ALKALOID OF CALPURNIA AUREA EXTRACTS AGAINST LINOGNATHUS OVILLUS AND AMBLYOMMA VARIEGATUM
... ABSTRACT: The study was designed to evaluate the louscidal, and acaricidal activities of alkaloids of Calpurnia aurea leaves extracts. Alkaloid of C. area leaves extract at concentrations of 200, 100, 50, 25, 12.5 and ...
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Multi locus sequence typing of Ehrlichia ruminantium strains from geographically diverse origins and collected in Amblyomma variegatum from Uganda
... Background: The rickettsial bacterium Ehrlichia ruminantium is the causative agent of heartwater in ruminants. A better understanding of the population genetics of its different strains is, however, needed for the ...
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High Prevalence of Rickettsia africae Variants in Amblyomma variegatum Ticks from Domestic Mammals in Rural Western Kenya: Implications for Human Health
... adult Amblyomma variegatum ticks collected from domestic ruminants, but found no evidence of the pathogen in blood specimens from cattle, goats, or ...A. variegatum ticks in western Kenya, which may ...
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Parapatric distribution and sexual competition between two tick species, Amblyomma variegatum and A hebraeum (Acari, Ixodidae), in Mozambique
... not completely negligible as suggested by the presence of a small number of individuals of the non-dominant species at seven out of the 59 investigated sites and re- ported movements of cattle and small ruminants across ...
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A cloned DNA probe identifies Cowdria ruminantium in Amblyomma variegatum ticks
... The pCR9 probe hybridized to midgut DNAs from 10 adult ticks allowed to feed as nymphs on infected goats but not from 10 adult ticks allowed to feed as nymphs on uninfected goats Fig.. S[r] ...
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Rickettsia parkeri colonization in Amblyomma maculatum: the role of superoxide dismutases
... mellifera, Amblyomma maculatum, Thermostable mutant of Human Cu/Zn SOD, Mus musculus, Equus caballus, Danio rerio, Anopheles gambiae and Culex ...laevis, Amblyomma variegatum, Amblyomma ...
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Rumen metabolites serve ticks to exploit large mammals
... Tick species, locomotion compensator and track analysis Five tick species of different continental origin and phylogeny were used in this study. They were the sub-Saharan bont ticks, Amblyomma variegatum ...
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Identifying Ticks (Acarina-Ixodidae) Parasites of Cattle in South Kivu, Democratic Republic of Congo
... R ESUME : Cette étude a été conduite de juin à Novembre 2012 sur les bovins au Sud-Kivu cela pour récolter et identifier les différentes espèces des tiques qui les parasitent. Elle avait pour objectif de connaitre ces ...
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Molecular and expression analysis of a family of the Amblyomma americanum tick Lospins
... Serpin encoding cDNAs have recently been cloned from several ticks including Boophilus microplus (www.tigr.org), Ixodes scapularis (Ribeiro et al., 2006), I. ricinus (Prevot et al., 2006), Amblyomma ...
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Canine vector borne infections in Mauritius
... Amblyomma variegatum is widely distributed throughout Africa and has been reported previously in Mauritius, pre- dominantly on cattle and deer ...verify. Amblyomma variegatum is the principal ...
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Influence of Different Shade Levels on the Growth and Quality of Codiaeum variegatum var. ‘Bush on fire’ in the Batticaloa District
... field (T1) received significantly highest score. Further plants grown at open field showed compactness, appropriate leaf size and increased leaf thickness. From this study it could be concluded that, plants grown at 50% ...
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Phylogenetic Placement of Rickettsiae from the Ticks Amblyomma americanum and Ixodes scapularis
... Evolution of arthropod hosts and rickettsias. Our trees ob- tained by the MP and ML methods imply frequent arthropod host shifts by SFG rickettsias. The tick genus Rhipicephalus is associated with all the basal, NW, and ...
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Molecular and biological characterization of the Amblyomma americanum organic anion transporter polypeptide
... Fig. 5. Effects of RNAi-mediated silencing of AamOatp on Amblyomma americanum tick-feeding success: the blood meal size. Ticks injected with AamOatp-dsRNA, control ticks, uninjected ticks and those injected with ...
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Host Preference and Seasonal Variation of Tick (Amblyomma cohaerens Donitz, 1909) on Naturally Infested Cattle in Jimma Zone, Southwestern Ethiopia
... hosts by moving across the ground in March and April and by ascending vegetation in May, June and July.The earliest significant activity of Amblyomma cohaerens begins in May when the average ambient temperatures ...
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Comparisons of the foveae dorsales in male and female ixodid ticks Amblyomma americanum, A. maculatum, Dermacentor andersoni and D. variabilis (Acari: Ixodidae)
... Adult 0 Amblyomma maculatum: cryofractured section through the foveae dorsales showing foveal gland (arrows) and cuticular canals (*) leading to the exterior slit openings of the foveae [r] ...
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Cultivation of Rickettsia amblyommii in tick cells, prevalence in Florida lone star ticks (Amblyomma americanum)
... Background: Rickettsia amblyommii is a bacterium in the spotted fever group of organisms associated with the lone star tick (LST), Amblyomma americanum. The LST is the most commonly reported tick to parasitize ...
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The Amblyomma maculatum Koch, 1844 (Acari: Ixodidae) group of ticks: phenotypic plasticity or incipient speciation?
... Analyses of the individual gene sequences, commonly used to reassess taxonomic issues within Amblyomma taxa [36, 39–41], were unable to resolve relationships within the group. Only analyses of the concatenated ...
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Evidence of Borrelia lonestari DNA in Amblyomma americanum (Acari: Ixodidae) Removed from Humans
... We used a nested PCR with Borrelia flagellin gene (flaB) primers and DNA sequencing to determine if Borrelia lonestari was present in Amblyomma americanum ticks removed from military personnel and sent to the ...
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