﻿98 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 78 



the parasites might be obtained. Dr. Aldrich acceded to this request, 

 and made a journey on muleback of about loo miles to the interior 

 town of Coban, where he remained lo days. Unfortunately he was 

 prevented by illness from doing as much work as anticipated, al- 

 though continuing to collect flies in the vicinity of the town. The 

 Mexican party was not heard from ; and as soon as able Dr. Aldrich 

 returned to the Atlantic Coast by way of the Polochic River, coming 

 out at Livingston. He reached Washington June 6. 



While the dry weather and change of plans interfered greatly with 

 the expected results of the trip, a considerable number of speci- 

 mens were collected and some discoveries of importance were made 

 on grasshopper parasites. 



The cordial relations which were established with the Guatemala 

 Department of Agriculture, The International Health Board, the 

 United Fruit Company, and with individuals, will no doubt be of 

 value in future work. 



COLLl<:CTTNG AND REARING FRUIT FLIES IN PANAMA 



( )n March 6, 1926, Mr. Chas. T. Greene, assistant custodian of 

 diptera, U. S. National Museum, sailed from New York for Cristo- 

 bal (Colon) Panama, on the Steamer Ancon. His primary object 

 was to collect and rear the fruit flies of the genus Anastrepha in 

 order to associate their larvae and pupae with the adults and to get 

 all the information possible on their immature stages, as well as to rear 

 any other flies which he might deem of economic importance. This 

 work was carried on at the request of the Federal Horticultural 

 Board. Ancon, Canal Zone, located at the Pacific end of the canal, 

 was selected as Mr. Greene's headquarters because the United States 

 government has a well equipped laboratory or experiment station 

 there. He remained in Panama until May ly, sailing on that day 

 for New York. 



During his trip Mr. Greene visited several places on the Pacific 

 and Atlantic coast of Panama, searching for fruit flies, and col- 

 lected at several places along the Panama railroad which follows 

 the canal across the Isthmus. All of the localities visited yielded 

 valuable information on the fruit flies. 



The three species of Anastrepha of economic importance were 

 reared from native fruits and their immature stages are associated. 

 The results will be published in the near future. Numerous other 

 species of flies were reared and notes made on their immature stages 

 in connection with this work. A large number of other species of 



