220 



The Philippine Journal of Science 



191$ 



Table II. — Life-history chart of Tabanus striatus Fabricus. 



First observation of flies in nature, August 15. 



First appearance of mammalian blood in the flies, September 4. 



Date. 



Stages. 



Period of 

 develop- 

 ment. 



Sept. 11 

 Sept. 15 

 Sept. 26 

 Oct. 9 

 Oct. 17 

 Oct. 24 

 Oct. 24 

 Oct. 31 

 Nov. 2 

 Nov. 10 

 Nov. 20 





Days. 





4 

 15 

 28 

 36 

 43 

 43 

 50 

 62 



First molt 







Third molt - 







Emergence of female fly 













REFERENCES 



(1) HiNE, J. S. Habits and life histories of some flies of the family Taba- 



nidse. Tech. Ser. U. S. Dept. Agr., Bur. Ent. (1906), 12, Pt. 2. 



(2) King, H. H. Report on economic entomology. Third Report of the 



Wellcome Research Laboratories (1908), 213-214. 



(3) Baldrey, F. S. H. The evolution of Tr. evansi through the fly: Tabanus 



and Stomoxys (1911). Journ. Trap. Vet. Sci. (1911), 6, 278. 



