DISEASE VECTORS AND VECTOR BIONOMICS PPT

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DISEASE VECTORS AND VECTOR BIONOMICS DR.S.M.JOSHI MEDICAL OFFICER&FACULTY MEMBER H.F.W.T.C.THANE

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GENUS WORLD INDIA ANOPHELES 465 53 AEDES 888 111 CULEX 715 57 MANSONIA 23 4 TOTAL >2091 225 MOSQUITO FAUNA

DISEASE VECTOR:

DISEASE VECTOR MALARIA - An.culicifacies,An.fluvitalis, An.minimus,An.sundaicus, An.stephensi,An.phillipinesis, An.varuna,,An,dirus,An.Annularis DENGUE&CHIKUNGUNYA: - Aedes Aegypti

DISEASE VECTOR:

DISEASE VECTOR FILARIASIS:- Cx.quiquefasciatus,Ma.annulifera JAPANESE ENCEPHALITIS :- Cx.Visnui,Cx,triataenorhynchus NUISANCE MOSQUITOES :- Cx.quinquefascieatus,Ae.Aegypti, Armigeres

VECTOR of Malaria in INDIA:

VECTOR of Malaria in INDIA PNEUMONICS C- An.Culicifacies M- An.Minimus S- An.Stephensi P- An.Philipinesis A- An.Annularis S- An.Sundaicus F- An.Fluvitalis V- An.Varuna D- An.Dirus CM’S PA Suffer from Viral diseases

BIONOMICS OF MALARIA VECTOR SPECIES IN MAHARASTRA:

BIONOMICS OF MALARIA VECTOR SPECIES IN MAHARASTRA NAME OF SPECIES RESTING BREEDING BITING FEEDING An. culicifacies Indoor, cattle shade, human dwellings ,cool places with low disturbances Rain water pools, irrigation channels,sliggish streams, barrow pits, rice fields. After dusk 10.30P.M.to 12.30AM Mainly zoophillic An. fluvitalis Mainly human habits, in hills found, resting outdoors, irrigated tracks. Clear water irrigation channels, in grassy margins of slow moving streams of seepages. 9PM to 11PM Anthropophillic An. stephensi Human dwelling,& cattle shades, out door on well walls In urban areas wells ,cisterns,fountains,ornamental tanks, artificial containers, overhead tanks 4AM to 6AM On human or cattle depending on availability.

VECTOR Species of Malaria in MAHARASTRA:

VECTOR Species of Malaria in MAHARASTRA VECTOR SPECIES DISTRICT An.culicifacies In all district of Maharashtra State mainly in rural areas . An.Fluvitalis + An.culicifacies 1)Nagpur 7) Dhule 2) Nanded 8) Bhandara 3)Thane 9) Solapur 4) Pune 10)Akola 5) Beed 11) Ahmednagar 6) Osmanabad 12) Gadchiroli 13)Aurangabad An.Stephensi + An.culicifacies Urban and Semi urban areas in Maharashtra State

MOSQUITO CONTROL MEASURES:

MOSQUITO CONTROL MEASURES CHEMICAL METHODS ADULTICIDE LARVICIDE

Adulticide ( Insecticide) formulation and their dosage:

Adulticide ( Insecticide) formulation and their dosage Sr.No . Name of Insecticide Preparation of suspention in water Dosage / sq.M Residual effectin week No.of spray rounds /annum Requirement / jakh population( inMT ) Area to be covered by 10litres to get correct dosage( Sq.M .) /round For 2rounds 1 DDT50%wdp 1kg/10litres 1gm 10-12 2 75 150 500 2 Malathion25%wdp 2kg/10litres 2gm 6-8 3 300 900 250 3 Deltamethrin2.5%wp 400gm/10litre 20mg 10-12 2 3 6 500 4 Alphacypermethrin5%wp 250gm/10litres 25mg 10-12 2 1.875 3.75 500 5 Cyfluthrin10%wp 125gm/10litre 25mg 10-12 2 0.938 1.875 500 6 Lambdacythalothrin10%wp 125gm/10litre 25mg 10-12 2 0.938 1.875 500 1MT= 1000KGM

Insecticide formulation and their dosage For space spraying /fogging:

Insecticide formulation and their dosage For space spraying /fogging No Name of Insecticide Commercial formulation Preparation of formulation Equipment used Remarks 1 Pyrethrum Extract 2.0% Extract 1:19 i.e.part of 2% PyrethrumExtract in19 parts of Kerosine /diesel (w/v) Piit pump or hand operated fogging(micro discharge)machine Used for indoor spray sufficient to spray for 400 households.100 cu.meter indoor space/household 2 Malathion Technical Malathion 5 .part of Technical Malathion in95 parts of diesel oil (v/v) Vehicle mounted thermal fogging machine .speed of vehicle6km/hour orasrecommended by machine manufactures Outdoor thermalfogging watchfor wind conditions before fogging Fogging should be carried out only In epidemic situation

Larviicide formulation and their dosage :

Larviicide formulation and their dosage Sr. No. Name of larvicide Commercial formulation Preparation of ready rto spray formulation Sr. No. Name of larvicide Commercial formulation Preparation of ready rto spray formulation Dosage For Frequency of application 1Sq.mete 50 linear meters 1 Hecter (diluted) 1 MLO 100%petrolium product As it is 20cc 1liter 200 liters Weekly 2 Temephos 50%ec 2.5cc in 10liters of potable water ( surface treatment ) 20cc 1 liter 200 liters weekly 3 B.Thuringiensis ( Bti ) powder 250gms in 10liters ofpotable water (2.5%susp). 20cc 1 liter 200 liters Two weekly 4 B.Thuringiensis ( Bti ) Liquid 100mlin 10liters ofpotable water 20cc 1 liter 200 liters Weekly

Mosquito Control Measures:

Mosquito Control Measures Biolodical Method :-Use of Fish Guppy/ Gambusia / Bti /B- Sphericus etc. Source Reduction :- Elimination of reduction of breeding sites. Filling up burrow pits,ditches,unused irrigation cannals,wells,deweeding,chanalization etc. Personal Protection :- Use of Repellant Use of mosquito net. Application of Nylon mesh to doors and windows.

Formula for measurement of surface area of Bed net:

Formula for measurement of surface area of Bed net Surface Area =2 ( a + b ) +c where a=length x height b=height x width c=length x Width

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Methods of Impregnation:

Methods of Impregnation Prepare solution in optimum quality of water with required quantity of insecticides. Soak bed net in solution thoroughly. Do not hang it, dry it by spreading on a rubber sheet in a shed. Residual Efficacy :-6 months if not washed Precautions :-Avoid contamination of skin,eyes,mouth with insecticide formulation. If contaminated ,wash with soap and water.

Impregnation of Bed nets Quality of Bed nets:

Impregnation of Bed nets Quality of Bed nets Bednet hole size:- Not bigger than 1.2 to 1.5 mm. diameter .i.e.6 to 8 holes to 10mm linear length. Dosage :- 25 mg Deltamethrin/sq.mt. or 50mg Cyfluthrin/sq.mt.

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