_ 53 - 
Insoct and Stage 
Diptora (cont.) 
Culicidao (cont.) 
Aodos voxans Mcig,, 
larvae 
Ditto (pupae) 
Aedes sp., larvae 
Ditto (pupao) 
Culcx pipions L. 
(northom house 
mosquito), larvao 
Ditto (larvae) 
Ditto (pupao) 
Mosquito larvao 
Ditto 
Ditto 
Ditto 
Ditto 
Mosquito pupao 
Ditto 
Preparation 
Eff octivonoss 
Rof oroncc 
Povidor + French Effoctivo 
chalk (1+4) 
dusted on water 
(I-I/2 lbs. per acre) 
Powder dusted on Effoctivo in 
water (3 lbs, 24 hours 
per aero) 
Powder dusted on Effoctivo in 
water (15 lbs. 22 hours 
per acre) 
Ditto 
Effective in 
2. to 5 days 
Pcwclor dusted on lOOJlo kill in 
v;ator (30 lbs 72 hours 
per acre) 
Powder in water Effective 
(1:10,000) 
Ditto 
Effective 
Pov/dor in v;ator Effective 
(1:333) 
Powder in v/ator Effective 
Powder in v/ator 
(1:1000) 
Com'l extract 
(1:500) 
Powder 
Powder in water 
Com'l extract 
(1:500) 
100?^; kill in 
3 to 4 days 
65'/o kill 
90$^ kill 
Effective but 
slow 
Ineffective 
Tv/inn (96) 
in 1927 
Ditto 
Gibson (43) 
in 1928 
Ditto 
Ditto 
Gimlettc (45) 
in 1923 
Ditto 
Castillo (18) 
in 1926 
Durham (27) 
in 1926 
Kclsall et al, 
(54) in 1926 
Do Ong and 
TvTnito (26) 
in 1924 
Ditto 
Durham (27) 
in 1926 
Do Ong and 
Vmite (26) 
in 1924 
