334 Philippine Journal of Science 



• Table III. — The rate of egg laying, Coptotermes formosanus. 



1919 



Date. 



Eggs. 



Larvae. 



Total. 



Increase. 



Total. 



Increase. 















3 

 4 

 6 



7 

 8 

 10 

 10 

 10 

 10 

 10 

 12 

 16 

 16 

 18 

 18 

 18 

 18 

 22 

 22 

 22 

 22 

 22 

 22 

 19 

 17 

 16 

 13 

 13 

 13 

 13 

 12 

 12 

 14 

 12 

 12 

 13 

 13 

 13 

 13 

 12 

 12 

 12 

 11 



3 

 1 

 2 

 1 

 1 

 2 



















May 29 













May 31 













J n 2 









June 3 









J e4 











2 



4 





















2 













June 10 

















June 12 



4 

















... 





























June 26 





3 

 5 

 6 

 9 

 9 

 9 

 9 

 10 

 10 

 12 

 15 

 19 

 19 

 19 

 19 

 19 

 20 

 20 

 20 

 21 



3 

 2 



1 

 3 



June 27 









June 28 





June 29 





June 30 „ 





July 1 _ _ 







July 2 







July 3 - 





1 



July 4 





July 5 - 



4 

 1 

 4 

 1 



2 

 3 



4 



July6 -- -— 



July 7 - — 



July 8 



July 9 - - 





July 10 







July U - 







July 12 - 





1 



July 13 





July 14 _ 







July 15 





1 . 







* Date of capture. 

 DAMAGE TO BUILDINGS AND OTHER MATERIALS 



Coptotermes formosanus is essentially a wood destroyer and 

 attacks very seriously all sorts of woodwork and wooden struc- 

 tures. Because of its habit of attacking Japanese pine, which is 



