•98 SCIENTIFIC REPORTS OF THE AGRICULTURAL RESEARCH 



very small parasites .on 2nd December. These parasites 

 were different from those of the larger species of Tabanus. 



" Parasitized egg-masses of T. albimedius and 

 T. crassus were obtained on 2nd December. 



" Fifty-one egg-masses of T. crassus and T. albimedius 

 were obtained on 8th December but only six of them were 

 found to contain larvae and parasites. Parasites began to 

 emerge on 11th December. 



" Eggs of T. sanguineus and T. albimedius collected on 

 27th November were examined on 8th December and a few 

 were found to harbour parasites in their pupal stage. 



" The following egg-masses, both old and fresh, were 

 obtained on 10th December, viz., 54 egg-masses of T. crassus, 

 29 of T. bicallosus, 7 of C. stimulans, 5 of T. albimedius. 

 Of these only unhatched egg-masses of T. albimedius and 

 T. crassus were found to contain parasites. 



" One egg-mass of T. albimedius was taken on 11th 

 December; parasites from this egg- mass began to emerge on 

 13th December; all these parasites were quite active and 

 some of them were seen to be pairing. 



" Several egg-masses of spiders, which were found near 

 the egg-masses of Tabanus, were also collected to see if the 

 Tabanus parasites could be obtained from them. Many 

 spiders' eggs were found infested with hymenopterous 

 parasites, but they were quite different from those of 

 Tabanus. 



Three egg-masses of T. albimedius were obtained on 

 15th December; and one of these began to hatch larvae on 

 17th December ; parasites began to emerge on 19th and 20th 

 and were found pairing on 21st December, some of them 

 surviving until 31st December. The total number of para- 

 sites which emerged from a single egg-mass of T. albimedius 

 was 237, whereas the number of larvae which emerged from 

 the same egg-mass was 55. 



" Thirteen egg-masses of T. sanguineus and two of 

 T. albimedius were obtained on 18th December and from 

 these parasites were seen to emerge on 23rd December. 



