-135- 



Table 3-7. Age-specific life table for laboratory-reared Lutzomyia 

 diabol ica based on observations of several generations. 1 



d f 

 x 



iooq v 



Age interval No. at Time (days) 

 beginning spent in age 

 of x interval x 



7±lSD(range) 



Factors responsible 

 for d„ 



No. dying 

 during age 

 interval x 



d x as 



percentage 

 of l y 



Egg 



1000 2 



8. 1±3. 8(6-26) 



Not fertilized 

 Excessive moisture 

 Dessication 

 Mold 



641 



64% 



1st Stadium 



359 



4.7±1.2(2-9) 



Entrapped in 

 Entrapped in 

 Dessication 



moisture 

 mold 



48 



5% 



2nd Stadium 



311 



3.5+1.2(2-9) 



Entrapped in 

 Entrapped in 

 Cannibalism? 

 Fungus? 



moisture 

 mold 



3 



0.3% 



3rd Stadium 



303 



3. 8±1. 4(2-10) 



Cannibalism? 

 Fungus? 





3 



0.3% 



4th Stadium 



305 



6.5+1.6(3-13) 



Cannibalism? 

 Fungus? 





3 



0.3% 



Pupa 



302 



6. 9±1. 5(4-16) 



Fungus? 





3 



0.3% 



Adult 



</<f 



ss 



164 

 135 



14.9+4.2(4-20) 

 11.7+4.5(4-21) 



— 





— 



— 



Totals 



299 



45-48 days 



— 





701 



70% 



Rate of increase 



= adult 



female progeny (137) 



divided by parent female 



(35), or 









137 



— re- = 3.9x per generation 









1. 



Rearing conditions = 27 + 1°C; 70 ± 10% RH; 16:8 LD photoperiod; 

 diet of incubated or unincubated horn fly medium ("gator grits") 



From 35 adult females. 



