96 AUSTKALIAN BUG. 



fine thread, at the free extremity of which the egg is 

 borne very much like the head of a pin on its stem. The 

 sketch of eggs added to those of the larva and perfect 

 insect of this Golden Eye merely conveys an idea of the 

 general method of egg-deposit of this family. 



Yet another insect aider in keeping down what has 

 not been ill termed the "Scourge of S.Africa" may 

 very likely be introduced by importing from S. Australia 

 the dipterous parasite first observed by Mr. Frazer S. 

 Crawford, in his garden, at Adelaide. 



In the course of correspondence with Mr. Frazer 

 Crawford, of Adelaide (Government Inspector under the 

 Vine, Fruit and Vegetable Protection Act, and Lecturer 

 on Economic Entomology), regarding leery a purchasi, 

 he wrote me as follows : 



" For the last three years I have had a colony of 

 I. purchasi in a lemon tree in my garden : the other 

 day, being desirous of obtaining some living specimens, 

 I found that every one had been destroyed ; . . . . this 

 has been the result of two parasites. First the larva of 

 one of our native Coccinellidce, but the principal exter- 

 minator has been a dipterous insect in the shape of a 

 minute, metallic, greenish black fly." 



FIG. 32. Portion of wing of South Australian dipterous parasite of 

 I.pnrchasi (since named by Dr. Williston Lestophonus icenj<z, gen. nov.). 



A few specimens of this two-winged fly were sent over 

 to me, but they were too much injured by the journey, 

 or in unpacking, to be identified, and I could only 

 consequently give a few- rough notes of its general 



