Preliminary study on susceptibility status of Anopheles minimus Theobald and An. fluviatilis James (Diptera: Culicidae) to DDT and deltamethrin in Keonjhar district of Odisha, India.
This study was carried out to determine the susceptibility levels of An. fluviatilis and An. minimus to DDT (4%) and deltamethrin (0.05%) and to select the insecticide to be used for routine national malaria vector control programme based on the results of the susceptibility test. Susceptibility test was done as per standard WHO susceptibility tests using DDT(4%) and deltamethrin (0.05%) in the villages of Keonjhar Districts during 2009. The results indicate that An. fluviatilis showed 100% mortality to DDT (4%) and deltamethrin (0.05%) and An. minimus showed 96.2 per cent mortality to DDT (4%) and 100 per cent to deltamethrin (0.05%). An. fluviatilis and An. minimus have been incriminated as the major malaria vectors of Keonjhar district. Successful application of DDT and deltamethrin could reduce the vector load from this area with consequent malaria control as these two species are found to be highly susceptible to DDT and deltamethrin. Another study as per WHO methodology is further recommended to substantiate the result of this study.
CDMO Office Rayagada, Odisha. dash_smrutidhara@rediffmail.com
Smrutidhara
S
Dash
DHS, Sadar Hospital, Khagaria, Bihar.
Basanta Kumar
BK
Panda
Deptt of Zoology, Utkal University, Vani Vihar, Bhubaneswar, Odisha.
Sudhansu Sekhar
SS
Sahu
Department of Health Research, VCRC Field Station, Koraput, Hati Line, Near Collectorate, Koraput, Odisha.
Prafulla Kumar
PK
Mohanty
D000818:Animals; D000852:Anopheles / Q000187:drug effects*; D003634:DDT / Q000494:pharmacology*; D005260:Female; D007194:India; D007305:Insecticide Resistance; D007306:Insecticides / Q000494:pharmacology*
D007306:Insecticides; D003634:DDT