Volume 78, Issue 1
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645


Mosquitoes of the complex ( = 1,336) were sampled (2001–2005) across Angola to identify taxa, study inversion polymorphisms, and detect the circumsporozoite protein of s.s. was found in all sites; it was characterized as M-form in localities of the tropical dry and semi-desertic belts, whereas the S-form was predominant in comparatively more humid and less anthropized sites. Both forms were characterized by low degrees of chromosomal polymorphism based solely on the 2La inversion, a pattern usually associated with populations from forested, humid, and derived savanna areas. Unexpectedly, this pattern was also observed in M-form populations collected in dry/pre-desertic areas, where this form largely predominates over , which was also detected in central/inland sites. was found in northern coastal sites. Three of 534 s.s. were positive for CS-protein, whereas none of the 105 were positive.


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  • Received : 12 Mar 2007
  • Accepted : 02 Jul 2007

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