نتایج جستجو برای: nymph
تعداد نتایج: 2026 فیلتر نتایج به سال:
A sensitive and reliable enzyme-linked immunosorbent assay for the detection of antibodies to Cowdria ruminantium in serum and C. ruminantium antigen in Amblyomma hebraeum nymphae is described. For the screening of antibodies, C. ruminantium from A. hebraeum nymphae, partially purified by wheat-germ lectin affinity chromatography, was used as antigen. To screen nymph populations, sera from eith...
A new genus of stick insects, Brockphasma Ho gen. nov., with the type-species, Brockphasma spinifemoralis Ho, Liu, Bresseel & Constant spec. nov., is described and illustrated from Vietnam. Both sexes, the egg and the first instar nymph are described and figured. Data on the habitat and natural foodplants are provided. Brockphasma Ho gen. nov. is differentiated from other genera in Neohiraseini...
The Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Psyllidae) is a vector for the causative agents of Huanglongbing, which threatens citrus production worldwide. This study reports and discusses the first D. citri transcriptomes, encompassing the three main life stages of D. citri, egg, nymph and adult. The transcriptomes were annotated using Gene Ontology (GO) and insecticide-rela...
We document the first record of Borrelia americana in Canada. This Borrelia was detected in an avian coast tick, Ixodes auritulus (Acari: Ixodidae), collected from a Varied Thrush, Ixoreus naevius, along coastal British Columbia. Using real-time PCR and DNA sequencing of the flagellin gene, we determined that the borrelial amplicon from the I. auritulus nymph was 99% homologous with B. american...
Lyme disease is the most common zoonosis transmitted by ticks in North America and Europe, which is caused by Borrelia burgdorferi sensu lato [1]. It is also diagnosed in Asia [2], Africa [3] and South America [4]. This kind of borreliosis is transmitted to mammals by ticks’ exposure to nymph or adult stage as far as 24 hours adhesion in the host is established, which ensures the regulation of ...
Syrinx (Gr. Συρινξ) was a Naiad fresh-water nymph who lived on the cold mountainsides of Arcadia. One day she was amourously pursued by the Greek god Pan, and fleeing from her chaser, she was barred by the river Ladon. She asked for assistance from her Sorores Liquidae (Watery Sisters), who transformed her into a hollow water reed. When the god’s frustrated breath blew over the river, it made a...
Amblyomma americanum collected near Lake Wappapello, Missouri, tested positive for Borrelia lonestari using polymerase chain reaction and sequence analyses of B. lonestari 16S rRNA and flagellin (flaB) genes. Twelve pools containing a total of 214 nymph or adult ticks contained evidence of infection with B. lonestari (minimum prevalence 5.6%). These data suggest that persons in southeast Missou...
The argasid tick Carios (Ornithodoros) kelleyi Cooley & Kohls is a common ectoparasite of bats and has been found in massive numbers in homes with associated bat colonies in eastern Iowa. This tick feeds nearly exclusively on bats in nature. Several inhabitants of infested homes complained of "bug bites" at night while asleep that may have resulted in erythematous, edematous, urticaric skin les...
A case of attachment and complete engorgement of a Rhipicephalus sanguineus (Latreille, 1806) nymph on a woman with severe pain shortly before nymphal drop-off is described. The pain continued for about 2 weeks after tick removal. Apparently, this is the first documented case of human adverse reaction developed at the very last stage of engorgement of nymphal R. sanguineus. The infestation most...
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