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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 108, No. 8, 2013, pp. 1057-1064
Bioline Code: oc13175
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 108, No. 8, 2013, pp. 1057-1064

 en Anthropophilic biting behaviour of Anopheles (Kerteszia) neivai check for this species in other resources Howard, Dyar & Knab associated with Fishermen’s activities in a malaria-endemic area in the Colombian Pacific
Escovar, Jesús Eduardo; González, Ranulfo & Quiñones, Martha Lucía

Abstract

On the southwest Pacific Coast of Colombia, a field study was initiated to determine the human-vector association between Anopheles (Kerteszia) neivai check for this species in other resources and fishermen, including their nearby houses. Mosquitoes were collected over 24-h periods from mangrove swamps, marshlands and fishing vessels in three locations, as well as in and around the houses of fishermen. A total of 6,382 mosquitoes were collected. An. neivai was most abundant in mangroves and fishing canoes (90.8%), while Anopheles albimanus check for this species in other resources was found indoors (82%) and outdoors (73%). One An. neivai and one An. albimanus collected during fishing activities in canoes were positive for Plasmodium vivax, whereas one female An. neivai collected in a mangrove was positive for P. vivax. In the mangroves and fishing canoes, An. neivai demonstrated biting activity throughout the day, peaking between 06:00 pm-07:00 pm and there were two minor peaks at dusk and dawn. These peaks coincided with fishing activities in the marshlands and mangroves, a situation that places the fishermen at risk of contracting malaria when they are performing their daily activities. It is recommended that protective measures be implemented to reduce the risk that fishermen will contract malaria.

Keywords
malaria; Kerteszia; Anopheles neivai; biting activity; Colombia

 
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