56 . OSTEICH FLY. 



, If the flies are sluggish and inactive, when basking 

 on the leaves, their numbers might be reduced by 

 shaking them down on sticky cloths, or by syringings 

 with good soft soap or whale oil soap washes, which is 

 an American remedy. 



Any fruit that is infested should not be allowed to 

 remain on the ground to continue attack, and if on 

 investigation it should prove that the later maggots go 

 into chrysalis state in the ground, or even that a large 

 proportion of them do so, or if it could be found where 

 the flies usually hybernate, these points would help 

 greatly in lessening amount of attack. 



FAM. HIPPOBOSCIDJE (EPEOBOSCIDEA). 

 HIPPOBOSCA STKUTHIONIS, n. sp.* (Fig. 23.) 



FIG. 23. Hippobosca strutliionis, and egg-like pupa-case, nat. size and 

 magnified ; foot and claw magnified. 



Ostrich Fly. 



The head is impressed and dull black in the middle, 

 the sides next the eyes shining yellow; the vertex is 



* Hippobosca struthionis, n. sp. Nigra, nitida; capite medio opaco, 

 lateribus flavo-marginatis, clypeo flavo, postice rotundato, integro; 

 thorace obsolete strigoso, maculis quatuordecim flavis, postice trans- 

 versim impresso, strigoso ; scutello macula media flava ; abdomine opaco 

 griseo-hirsuto ; pedibus nigro-piceis, griseo-hirsutis, tibiarum medio 

 flavo-notato, tarsis rufo-piceis, femoribus anticis subtus ad basin rufo- 

 flavis. Exp. alar. 16 18 mm. (0. E. Janson). 



HAB. Mount Stewart, S. Africa. 



