Species Composition and Diversity of Malaria Vector Breeding Habitats in Trincomalee District of Sri Lanka

Table 1

Abundance of Anopheles mosquito species in habitats measured for physicochemical variables in the District of Trincomalee.

Breeding habitats	Diversity indices			Species density
				An. culicifacies	An. subpictus	An. peditaeniatus	An. pallidus	An. vagus	An. varuna	An. barbirostris	An. annularis	An. aconitus	An. jamesii	An. nigerrimus	An. barbumbrosus	An. tessellatus	An. pseudojamesi	An. maculatus
Tank margin	1.98	14	0.75	0.1	14.2	19.4	8.1	4.9	3.0	8.7	9.1	0.6	0.6	30.0	0.8	0.03	0.48	0
Lake margin	1.76	11	0.73	0.0	32.6	16.9	3.1	4.1	0.1	16.5	2.6	0.0	0.2	20.7	3.1	0.16	0	0
Canal with vegetation	1.69	7	0.87	2.0	14.3	12.2	0.0	6.1	12.2	38.8	0.0	0.0	0.0	14.3	0.0	0	0	0
Marshy land	1.72	11	0.72	0.2	8.9	27.2	3.8	5.5	1.7	17.8	0.7	0.2	1.6	32.5	0.0	0	0	0
Field canal	1.82	10	0.79	1.6	12.8	24.8	6.8	0.2	9.4	12.4	2.3	0.4	0.0	29.3	0.0	0	0	0
Main canal	1.68	12	0.68	1.8	47.5	11.7	2.3	6.9	2.8	9.5	1.9	0.4	0.4	14.8	0.0	0	0.09	0
Paddy field	1.87	12	0.75	0.1	28.3	18.3	4.1	6.1	0.2	7.1	6.3	0.0	2.2	25.4	1.3	0	0.58	0
Pond	1.71	12	0.69	1.0	44.1	13.0	7.1	2.9	0.8	11.1	1.6	0.0	0.3	15.6	2.3	0.07	0	0
Rock pool	1.73	10	0.75	1.3	40.1	10.7	7.8	15.7	3.6	2.8	1.0	0.0	0.2	16.8	0.0	0	0	0
Earth well (domestic)	1.68	12	0.67	1.7	45.1	11.5	2.5	3.7	0.1	12.1	3.2	0.0	0.2	17.3	2.5	0.07	0	0
Built well (domestic)	1.96	12	0.79	20.5	30.3	10.0	1.6	3.0	4.8	12.5	1.9	0.1	0.8	11.9	2.6	0	0	0
Common well	0.02	1	0.02	0.0	100.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0	0	0
Agricultural well	0.11	2	0.16	0.0	97.6	0.0	0.0	0.0	0.0	2.4	0.0	0.0	0.0	0.0	0.0	0	0	0
Burrow pit	1.86	14	0.71	0.7	25.5	18.2	2.8	6.3	1.1	15.3	1.4	0.1	0.7	25.0	2.8	0.17	0	0.04
Animal footprint	1.31	7	0.67	0.0	54.2	5.7	0.9	11.9	0.0	5.7	0.0	0.0	0.0	21.1	0.4	0	0	0
Rain water pool	1.86	15	0.69	1.1	33.9	21.4	2.0	4.9	4.1	13.8	2.5	0.2	0.2	13.5	0.0	0.16	2.19	0.08
Quarry pit	1.89	11	0.79	3.9	0.8	11.5	22.5	1.0	2.9	15.1	0.8	0.3	22.7	18.5	0.0	0	0	0
River margin	1.33	7	0.68	0.0	56.5	22.0	3.8	3.8	0.0	6.2	4.3	0.0	0.0	3.3	0.0	0	0	0
Tyre mark	0.65	5	0.40	0.0	4.0	2.0	4.0	84.0	0.0	6.0	0.0	0.0	0.0	0.0	0.0	0	0	0
Waste water collection	1.33	8	0.64	20.2	53.8	3.0	15.3	1.3	0.0	0.5	1.0	0.0	0.0	5.0	0.0	0	0	0
Water storage tank	1.47	7	0.75	7.7	1.3	39.7	0.0	0.0	0.0	12.8	3.8	0.0	2.6	32.1	0.0	0	0	0

: Shannon-Wiener diversity index.
: species richness.
: Pielou's evenness.