OBSERVATIONS ON THE BIONOMICS OF STEGOMYIA FASCIATA. 



Experiment No. I. — cont. 



216 





Range of 



Arm offered at 



Date. 



temperature. 



Daylight, 1-2 p.m. 



Dark, 8-9 p.m. 



Feb. 16 



80-84 



R. 



R. Eggs found to-night — 

 Batch VII. 



„ 17 



81-85 



R. 



Fed. 



„ 18 



79-85 



R. 



R. 



„ 19 



80-86 



R. 



R. 



„ 20 



79-85 



R. 



R. Eggs being laid at 8-9 

 p.m.— Batch VIII. 



„ 21 



80-86 



Ted. 



R. 



„ 22 



80-85 



R. 



R. 



„ 23 



81-87 



R. 



R. 



„ 24 



81-87 



R. Eggs found this morn- 



Female found dead on the 







ing — Batch IX. 



surface of the water in 

 the jar. 



Experiment No. II. 



12th January 1915. A single female Stegomyia fasciata hatched at 2 p.m. and 

 immediately isolated in a glass jar under the usual conditions. Mosquito therefore 

 unfertilised. Refused to feed on my arm at 3 p.m., and again at 9 p.m. 



Date. 



Range of 

 temperature. 



Arm offered at 



Daylight, 1-2 p.m. 



Dark, 8-9 p.m. 



Jan. 



13 



f} 



14 



»» 



15 



» 



16 



>> 



17 



>> 



18 



»> 



19 



ti 



20 



>> 



21 



>» 



22 



»» 



23 



>» 



24 



s> 



25 



JJ 



26 



J» 



27 



»> 



28 



>» 



29 



>» 



30 



»» 



31 



Feb. 



1 



i* 



2 



»> 



3 



79-83^ 

 76-84 



75-84 

 76-84 

 76-84 

 78-83 

 79-84 



79-83 

 76-84 

 74-86 

 71-81 



75-83 

 74-84 

 76-84 

 75-86 



76-84 

 80-84 

 76-83 



79-83 

 79-84 

 78-84 

 73-85 



F. 



R. 

 R. 

 R. 

 R. 

 R. 

 R. 

 R. 



Fed 



R. 



R. 



R. 



R. 



R. 



R. 



R. 



R. 

 R. 

 R. 



R. 

 R. 

 R. 

 R. 



slightly. 



Eggs found this morn- 

 ing — Batch I. 



A few eggs found this 

 morning — Batch II. 



Eggs found this morn- 

 ing — Batch III. 



Fed. 



R. 



R. 



R. 



R. 



R. 



R. A single newly hatched 



male introduced ; paired 



immediately. 

 Fed again, fully. 

 R. 

 R. 

 R. 

 R. 

 R. 



Fed. 

 R. 



R. 

 R. 

 Fed. 



R. 

 R. 

 R. 

 Fed. 



