-114- 



Table 3-4. Comparison of immature development times for male and 



female Lutzomyia diabolica reared individually to adult 

 stage at 24 and 27°C (3rd colony generation). 



Sex 



Males Females 



Duration in Days Duration in Days 

 Life Stage x±lSD(range) x±lSD(range) 



24°C 

 n = 30 n = 20 



Egg 10.5±0.9 — 10.4±0.8 — 



1st Stadium 7.8±2.1 -- 7.5±1.4 -- 



2nd Stadium 6.0±1.1 — 6.0±1.4 -- 



3rd Stadium 5.5+1.2 — 6.3±1.2 -- 



4th Stadium 1 9.6±1.3 -- 11.3±1.4 — 



Pupa 9.2±0.7 -- 9.4±0.8 -- 



Egg to Adult 2 48. 9±3. 3(44-57) 50. 8±3. 4(47-62) 



27°C 

 n = 31 n = 38 



Egg 8.3±0.7 -- 8.5±0.8 -- 



1st Stadium 7.1+1.5 -- 6.6±0.9 — 



2nd Stadium 4.7±1.2 — 4.7±1.1 — 



3rd Stadium 4.7±1.5 — 4.8±1.2 — 



4th Stadium 1 7.7±1.2 — 8.6±1.7 — 



Pupa 7.6±0.7 — 7.9±0.5 — 



Egg to Adult 2 40.4±3.4(34-46) 41. 2±2. 5(34-46) 



Significant difference in duration between males and females at 

 both temperatures (Student's t test, a = 0.01). 



Significant difference between flies reared at 24°C and 27°C 

 (Student's t test, a = 0.01). 



