100 SCIENTIFIC REPORTS OF THE AGRICULTURAL RESEARCH 



their abdomen of a greenish colour which gradually turns 

 darker. 



Dung-Flies. 



Observations were made on the flies found breeding in 

 the dung of various animals at Pusa and the following 

 species were bred out : — 



Breeding material 



Species emerged 



Cow dung 



Calf dung 



Sheep dung 



Horse dung 



Litter from old man- 

 ure heap 



Philcematomyia insignis. 

 Bdellolarynx sanguinolentus. 

 Lyperosia minuta. 

 Sep si d sp 



Anthomyiadce, 4 spp. 

 Musca corvina. 

 Musca sp. 

 Pyrellia sp. 



SarcopJiaga sp. 

 P/torid sp. 

 M. angustifrons. 

 Fannia sp. 



Musca sp. {domestica type}. 

 Ulidia anca. 

 Boihorid sp. 

 Musca nelulo. 

 Borborid sp. 



Ulidia cenea. 



Eemaeks 



Viviparous (flies extrude 

 larvae instead of eggs). 



Full-grown larvae of this 

 species are bluish green, 

 fuparium reddish. 



Flies of this were bred out 

 during last year. 



A 4 -striped Musca but ac- 

 cording to Awati it is 

 other than domestica or 

 nebulo. 



The smell of the breeding 

 material was something 

 like vinegar. 



Mosquitos. 



Investigations were made in the viability of Stegomyia 

 eggs obtained in a desiccated condition in rubbish in hoi- 



