Abstract The one-host cattle fever tick, Rhipicephalus (Boophilus) annulatus (Say), and southern microplus (Canestrini), are important ectoparasitic pests of cattle, Bos taurus L., mostly for transmitting the causal agents bovine babesiosis. Bovine babesiosis inflicted substantial production losses in United States before vectors were eliminated by 1943, with exception a Permanent Quarantine Zo...

BACKGROUND Q fever is a widespread zoonotic disease caused by Coxiella burnetii. Ticks may act as vectors, and many epidemiological studies aim to assess C. burnetii prevalence in ticks. Because ticks may also be infected with Coxiella-like bacteria, screening tools that differentiate between C. burnetii and Coxiella-like bacteria are essential. METHODS In this study, we screened tick specime...

The composition and seasonal changes of the fish assemblage in a coastal lagoon system in southeastern Gulf of California were assessed from December 2001 to July 2005. A total of 20,877 organisms belonging to 191 species and 47 families were analyzed. We determined that almost all the species inhabiting the system were found; however some rare species were not captured in our study. The majori...