First transcriptome of the testis-vas deferens-male accessory gland and proteome of the spermatophore from Dermacentor variabilis
An endosymbiotic conidial fungus, Scopulariopsis brevicaulis, protects the American dog tick, Dermacentor variabilis
, from desiccation imposed by an entomopathogenic fungus.
ticks are known to carry R rickettsii, the causative agent of RMSF, and R montanensis, a rickettsia of unknown human pathogenicity.
rickettsii is the American dog tick, Dermacentor variabilis
No protein belonging to the Dermacentor variabilis
integral proteins (DVIP) subfamily was found.
(16.) Johnson EM, Ewing SA, Barker RW, Fox JC, Crow DW, Kocan KM (1998) Experimental transmission of Ehrlichia canis (Rickettsiales: Ehrlichieae) by Dermacentor variabilis
Evaluation of an imidacloprid (8.8% w/w)-permethrin (44% w/w) topical spot-on and a fipronil (9.8% w/w)-(S)-methoprene (8.8% w/w) topical spot-on to repel, prevent attachment, and kill adult Rhipicephalus sanguineus and Dermacentor variabilis
ticks on dogs.
Key words: Didelphis virginiana, Procyon lotor, Mephitis mephitis, Dermacentor variabilis
, Didelphilichus serrifer, Pulex simulans, Euhoplopsyllus glacialis affins, Neotrichodectes mephiditis, ectoparasites, Nebraska
(4,5) In the Southeast US, TP is usually transmitted by Dermacentor variabilis
, the American dog tick (Figure 2).
(1998b) exposed partially engorged Amblyomma americanum and Dermacentor variabilis
females to the EPN S.
79/80 98.8 9.85 [+ or -] 5.90 Pulex irritans, male 72/80 90.0 3.24 [+ or -] 2.30 Pulex simulans, male 8/80 10.0 0.10 [+ or -] 0.03 Spilopsyllus inaequalis 1/80 1.3 0.01 [+ or -] 0.12 Dactylopsylla percernis 1/80 1.3 0.01 [+ or -] 0.12 Ixodes sculptus 4/80 5.0 0.14 [+ or -] 0.63 Dermacentor variabilis
1/80 1.3 0.01 [+ or -] 0.12 Total number Intensity (a) of specimens Ectoparasite (mean [+ or -] SE) Range collected Pulex spp.
During the early years of the program, almost all of the ticks submitted were American dog ticks (Dermacentor variabilis
Comparative vector competence of Dermacentor variabilis
and Ixodes scapularis (Acari: Ixodidae) for the agent of human granulocytic ehrlichiosis.
A well-known disease, Rocky Mountain Spotted Fever is caused by a bacteria that is carried by the tick Dermacentor andersoni (found in the Western US) and Dermacentor variabilis
(found in East, Central, and Pacific parts of the U.S.).