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Titolo:
AGE STRUCTURE, BLOOD-FEEDING BEHAVIOR, AND LEISHMANIA-CHAGASI INFECTION IN LUTZOMYIA-LONGIPALPIS (DIPTERA, PSYCHODIDAE) AT AN ENDEMIC FOCUSOF VISCERAL LEISHMANIASIS IN COLOMBIA
Autore:
FERRO C; MORRISON AC; TORRES M; PARDO R; WILSON ML; TESH RB;
Indirizzi:
NATL INST HLTH,ENTOMOL GRP,AA 80080 BOGOTA COLOMBIA YALE UNIV,SCH MED,DEPT EPIDEMIOL & PUBL HLTH NEW HAVEN CT 06520
Titolo Testata:
Journal of medical entomology
fascicolo: 5, volume: 32, anno: 1995,
pagine: 618 - 629
SICI:
0022-2585(1995)32:5<618:ASBBAL>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
SAND FLIES DIPTERA; PHLEBOTOMINE SANDFLIES; BRAZIL; FIELD; EUGREGARINORIDA; EPIDEMIOLOGY; WORLD;
Keywords:
LUTZOMYIA LONGIPALPIS; SAND FLY ECOLOGY; VISCERAL LEISHMANIASIS; AGE GRADING; COLOMBIA;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
48
Recensione:
Indirizzi per estratti:
Citazione:
C. Ferro et al., "AGE STRUCTURE, BLOOD-FEEDING BEHAVIOR, AND LEISHMANIA-CHAGASI INFECTION IN LUTZOMYIA-LONGIPALPIS (DIPTERA, PSYCHODIDAE) AT AN ENDEMIC FOCUSOF VISCERAL LEISHMANIASIS IN COLOMBIA", Journal of medical entomology, 32(5), 1995, pp. 618-629

Abstract

Ecological studies on the sand fly Lutzomyia longipalpis (Lutz & Neiva) were conducted during 1990-1992 in a small rural community in Colombia where American visceral leishmaniasis (AVL) is endemic. Subsamplesof sand flies collected weekly from pigpens, the interior of houses, and natural outdoor resting sites were dissected to determine physiological age and Leishmania chagasi Cunha & Chagas infection rates. Eleven female L. longipalpis had flagellates in their gut, 2 of which were successfully cultured and identified as Leishmania chagasi. The reproductive status, stage of ovarian development, and trophic history of female sand flies varied among sites, habitats, and time of collection. Tire percentage of parous females ranged from about one-third to two-thirds overall and varied seasonally. Of most relevance to AVL transmission was the finding that 8% of L. longipalpis females were multiparous. In addition, our data suggest that L. longipalpis rest inside houses after blood-feeding outdoors, and that this species can blood-feed more than once during a single gonotrophic cycle.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/09/20 alle ore 00:35:04