Ifakara Health Institute (Ifakara & Bagamoyo)

Laboratory Strains
- Strain Names & Species

Anopheles gambiae s.s. (Ifakara susceptible);
Anopheles gambiae s.s. (Kisumu susceptible);
Anopheles gambiae s.s. (Kisumu KDR);
Anopheles arabiensis (Kingani, P450);
Anopheles funestus (Ifakara, P450);
Aedes aegypti (Bagamoyo, susceptible);
Culex quinquefasciatus (Bagamoyo).

Anopheles gambiae s.s. (Ifakara);
Anopheles gambiae s.s. (Kisumu) fully susceptible to all classes of insecticides;
Anopheles gambiae (Kisumu KDR) 80% survival of pyrethroid exposure, KDR East.

Anopheles arabiensis Kingani is resistant to all classes of pyrethroids, susceptible to all other classes  >80% survival of pyrethroids but 100% susceptible to organophosphates, DDT and carbamates.

Aedes aegypti Bagamoyo is fully susceptible to all classes of insecticides.

Wild Populations (and Resistance Profiles) - Species

Anopheles arabiensis (CyP450, 50% survival of pyrethroid exposure).
Anopheles funestus (CyP6a9b, A2965 RDL, L119-GSTe2 N485l-Ace-1).
Aedes aegypti Bagamoyo is fully susceptible to all classes of insecticides.

Resistant to all classes of pyrethroids, susceptible to all other classes.0.05% lambda cyhalothrin (22% mortality) 0.75% permethrin (38% mortality) and resistance to 0.05% deltamethrin (90% mortality).

Mosquitoes were 100% susceptible to 4% DDT, 4% dieldrin, 0.1% bendiocarb 0.025% pyrimiphos methyl, 1% fenitrothion and 5% malathion.

Hut testing possible in the following months of the year

• january
• february
• march
• april
• may
• june
• november
• december

Village Scale Trials possible in the following months of the year

• ht-january
• ht-february
• ht-march
• ht-april
• ht-may
• ht-june
• ht-november
• ht-december