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Table 1 Malaria vectors collected indoors and outdoors during the wet and dry seasons

From: Seasonal variation in abundance and blood meal sources of primary and secondary malaria vectors within Kilombero Valley, Southern Tanzania

 

Season (months)

Location

Collection/ trapping method

Primary Anopheles vector species

Secondary Anopheles vector species

An. arabiensis

An. funestus sensu stricto

An. leesoni

An. rivolurum

Unknown An. funestus

An. coustani

An. squamosus

An. pharoensis

An. ziemanni

An. rufipes

An. tenebrosus

An. welcomei

Household collections

Wet (March-June)

Indoor

CDC

658 (332a)

123 (109b)

84

36

23

155 (438)

153 (22)

105 (700)

13 (34)

9 (0)

6 (1)

2 (0)

Indoor

BP

30 (21ª)

13 (2b)

16

2

8

15 (78)

13(0)

10 (16)

-

0 (1)

–

–

Outdoor

RB

118 (98ª)

9 (23b)

21

4

12

20 (23)

4 (0)

24 (87)

-

0 (3)

4 (3)

–

Dry (July-September)

Indoor

CDC

211 (209ª)

52 (58b)

34

16

5

19 (12)

–

–

–

–

–

–

Indoor

BP

40 (16ª)

0 (2b)

6

1

1

–

–

–

–

–

–

–

Outdoor

RB

39 (21ª)

1 (1b)

3

2

0

1

–

–

–

–

–

–

Host preference collection

Wet (March-June)

Outdoor

METc

293 (283ª)

0 (18b)

1

5

0

25 (71)

–

7 (43)

1 (0)

–

1 (0)

–

Outdoor

METh

189 (176ª)

6 (8b)

1

1

0

7 (26)

–

0 (40)

–

–

2 (0)

–

Dry (July-September)

Outdoor

METc

114 (14ª)

1 (13b)

5

5

1

5 (15)

–

4 (24)

–

–

–

–

Outdoor

METh

21 (4ª)

5 (1b)

3

1

0

2 (1)

–

1 (2)

–

–

–

–

Total mosquitoes collected

2828

1713 (1174ª)

210 ( 235b)

174

73

50

249 (664)

170 (22)

151 (912)

14 (34)

9 (4)

13 (4)

2 (0)

  1. Values in table are the number of mosquitoes collected, with the values in parentheses indicating the number of male mosquitoes
  2. CDC CDC light traps, BP CDC backpack aspirator, RB Resting buckets, METc mosquito electrocuting trap with cattle as bait, METh MET with human as bait
  3. aMales of the An. gambiae complex
  4. bMales of the An. funestus complex