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Table 2 Earlier studies on the Anopheles gambiae s.l. complex composition in Kwale, Vyeru and Tawalani

From: Change in composition of the Anopheles gambiae complex and its possible implications for the transmission of malaria and lymphatic filariasis in north-eastern Tanzania

Study period

Study village

Catch method

Method for identification

No. mosquitoes in analysis

An. gambiae sibling species identified and their proportion

Ref.

1973 - 1975

Tawalani,

Pyrethrum spray catch &

Morphology, salinity test,

Not

An. gambiae s.s.*

[26]

 

Kwale

human bait catch (indoor)

cytotaxonomy

reported

An. arabiensis*

 
     

An. merus*

 

Aug 1975 – Dec 1977

Kwale

Human bait catch (indoor)

Cytotaxonomy

60

An. gambiae s.s.

[25]

     

+ An. merus (98.3%)

 
     

An. arabiensis (1.7%)

 

Jun – Dec 1977

Vyeru

Human bait catch &

Morphology, salinity test,

519

An. gambiae s.s.(53.0% )

[12]

  

spray catch (indoor)

Cytotaxonomy

 

An. merus (40.5%)

 
     

An. arabiensis (6.6%)

 

Apr 1982 – Sep 1983

Tawalani

Hand catch (indoor)

Cytotaxonomy

174

An. gambiae s.s. (92.5%)

[27]

     

An. merus ¥

 
     

An. arabiensis (7.5%)

 

Apr 1982 – Jan 1985

Tawalani

Hand catch & pyrethrum

Cytotaxonomy,

196

An. gambiae s.s.(75.5%)

[14]

  

spray catch (indoor)

electrophoresis

 

An. merus (17.4%)

 
     

An. arabiensis (7.1%)

 
  1. *No proportions given.
  2. ¥ Population of An. merus not analyzed by study villages.