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Indexed African Journals Online: www.ajol.info selected from the six villages of the town. Thick and thin blood films were made, stained with Field's stains A and B and examined microscopically. Indoor-biting mosquito vectors were collected using Pyrethrum Knockdown Collection method (PKC). Of the 208 participants, 121 (58.2%) were malaria positives. Considering the intensity of malaria among the participants, 86 (71.1%) had mild infection (+), 32 (26.4%) had moderate infection (++) and 3 (2.5%) had heavy infection (+++). Only Plasmodium falciparum was seen. Osile village had the highest prevalence (64.5%) while Umueri had the least prevalence (51.7%). Malaria prevalence among different villages of the community was statistically significant (8.88, df = 5; p<0.05) while malaria intensity was not significant (0.82, df=5; p>0.05). The age group ≥61 has the highest malaria prevalence (64.7%), followed by age group of 0-10 (63.2%) while 41-50 had the least (42.9%). The malaria prevalence in relation to age was significant (5.56, df=5; p<0.05). Malaria prevalence according to occupation was not significant (p>0.05). Females 73(35.1%) were affected more than the males 48(23.1%) though there was no significant difference (p>0.05). 110 Anopheles gambiae was collected from the six villages of the community with Osile having the highest indoor-biting Anopheles mosquito 24 (21.8%) while Ifite had the least collection 13 (11.8%). There was a positive strong relationship between malaria prevalence and Anopheles abundance in the villages in Ogbunike (r=0.1221684; p<0.05).

Abstract

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The ecology of malaria vectors in a suburban community of Umudioka, Dunukofia Local Government Area (LGA), Anambra State was studied between May and July 2009. Umudioka is an agrarian community in the rainforest zone of Nigeria and it is situated between longitude 6 0 85´E and Latitude 6 0 10´N of Equator. Mosquito larvae were collected from ground