by t. harvey johxstox and m. j. bancroft. 29 



Summary. 



1. There exist in Eantern Australia at least five 

 liymenopterous parasites which destroy flies (including sheep 

 maggot flies) namely, Spalangia muscidanun ; Nasonia 

 brevicornis ; Chalcis callipJiorce ; Dirrhinus sarcoplidgoe ; and 

 Pachifocrepoide us dubiu^. 



2. Of the various liymenopterous parasites kno\\n 

 elsewhere as destroying fly pupse, three others appear to 

 be of outstanding importance, viz.. Alysia manducator, 



Ajihcereta cephahtes and Jleliftobia acasta. The last 

 named acts also as a hT~perparasite of many useful insects 

 (including A. manducator and Taehinids) and should not, 

 in the light of our present knowledge. V)e introduced into 

 Australia. The other two could apparently be safely 

 introduced if desired to assist those parasites already 

 present. The first named seems to be especially valuable 

 in this connection. 



LITERATURE CITED 



1913 BisHOPP, F. C. The stable fly {Stomoxys calcitrans) an important 



live stock pest. Jour. Econ. Ent. 6, 1913, p. 112-126. 



1914 Froggatt, W. W. The sheep maggot fly and its parasite. Asric. 



Gaz. N.S.W., 2.5, 1914, pp. 107-113. 



1914 Froggatt, W. W. and McCarthy, T. The parasite of the sheep 



maggot fly ( Nasonia hrcvicornis) Agric. Gaz. N.S.W. 25, 1914, 

 pp. 759-764. 



1915 Froggatt, W. W. Sheep maggot flies, Farmers' Bulletm 95,. 



Dept. Agric. X.S.W. 1915 (chalcid wasji parasite 30-37). 



1916 Froggatt, W. \Y. A n^w parasite on sheep maggot flies. Notes 



and description of a chalcid parasite ( Cfialcis calliphorce) Agric. 

 Gaz. 27, 1916, p. 505-6. 



1916 Froggatt, W. W. and Froggatt, J. L. Sheep maggot flies No. 2. 



Farmers" Bull. 110, Dept. Agr. N.S.W. 



1917 Froggatt, W. W. and Froggatt, J. L. Sheep maggot flies No. 3. 



Farmer-s' Bull. 113, 37 pp. 



1 918 Froggatt, AV. W. and Froggatt, J. L. Sheep maggot flies No. 4. 



Farmers' Bull. 122, 24 pp. 

 .1919 Froggatt, W. W. The digger chalcid parasite {Dirrhinus sarco- 



phagce n.sp. on Sarcophaga aurijrons) Agric. Gaz. N.S.W. , 30, 



pp. 853-5. 



