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Titolo:
SEASONAL-VARIATION IN THE VECTOR COMPETENCE OF CULEX TARSALIS (DIPTERA, CULICIDAE) FROM THE COACHELLA VALLEY OF CALIFORNIA FOR WESTERN EQUINE ENCEPHALOMYELITIS AND ST-LOUIS ENCEPHALITIS VIRUSES
Autore:
REISEN WK; HARDY JL; PRESSER SB; CHILES RE;
Indirizzi:
ARBOVIRUS FIELD STN,4705 ALLEN RD BAKERSFIELD CA 93312 UNIV CALIF BERKELEY,SCH PUBL HLTH,ARBOVIRUS RES PROGRAM BERKELEY CA 94720
Titolo Testata:
Journal of medical entomology
fascicolo: 3, volume: 33, anno: 1996,
pagine: 433 - 437
SICI:
0022-2585(1996)33:3<433:SITVCO>2.0.ZU;2-D
Fonte:
ISI
Lingua:
ENG
Soggetto:
KERN-COUNTY; TEMPERATURE; POPULATION; MOSQUITOS;
Keywords:
CULEX TARSALIS; VECTOR COMPETENCE; WESTERN EQUINE ENCEPHALOMYELITIS VIRUS; ST LOUIS ENCEPHALITIS VIRUS, CALIFORNIA;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
15
Recensione:
Indirizzi per estratti:
Citazione:
W.K. Reisen et al., "SEASONAL-VARIATION IN THE VECTOR COMPETENCE OF CULEX TARSALIS (DIPTERA, CULICIDAE) FROM THE COACHELLA VALLEY OF CALIFORNIA FOR WESTERN EQUINE ENCEPHALOMYELITIS AND ST-LOUIS ENCEPHALITIS VIRUSES", Journal of medical entomology, 33(3), 1996, pp. 433-437

Abstract

The vector competence of Culex tarsalis Coquillett from the CoachellaValley of California for western equine encephalomyelitis (WEE) and St. Louis encephalitis (SLE) viruses was monitored monthly from February to November 1993. The concentration of WEE virus required to infect 50% of the females increased during summer coincidentally with ambienttemperature and was highest during July. Transmission rates of WEE virus were high during March, low during May-June, and high again duringJuly-September. Females expressed both mesenteronal escape and salivary gland barriers limiting WEE virus dissemination and transmission rates, respectively. SLE virus infection and dissemination rates did notvary among months, but transmission rates were highest during July-September Although infection rates with SLE virus were moderate, most infected females developed disseminated infections. Salivary gland infection or escape barriers prevented SLE virus transmission in 16-100% ofinfected females.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 19/09/20 alle ore 07:43:18