﻿59.57,7 (67.5) 



Article II.—DIPTERA OF THE AMERICAN MUSEUM CONGO 



EXPEDITION! 



PART I.— BIBIONID.^, BOMBYLIID^, DOLICHOPOUID^., SYRPHID^ 



AND TRYPANEID.E 



By C. H. Cuhran 



The Diptera collected by the members of The American Museum of 

 Natural History expedition to the Belgian Congo, (1909-1919), number 

 several thousand specimens and undoubtedly represent the largest col- 

 lection yet brought together from this region. As various families have 

 been submitted to specialists for determination and will be reported 

 upon by them, it is not possible to present a survey of the collection as a 

 whole but it might be pointed out that the families containing flies of 

 medium to large size are best represented, although there is a moderate 

 sprinkling of small Diptera. 



For the most part, the literature dealing with Ethiopian Diptera is 

 very scattered and the descriptions often leave much to be desired. For 

 this reason the determination of species in most families is frequently 

 laborious and is often difficult owing to the fact that several necessary 

 publications are almost inaccessible. The muscoid groups are particularly 

 difficult to determine, as no catalogue or fist of species is available. 



All of the specimens examined have been collected by Messrs. Lang 

 and Chapin. An extremely large number were taken from solitary wasps, 

 Bemhex spp., that had captured the flies as food for their larvae. 



In order that the exact location of the various localities may be 

 determined, the following list has been prepared. 

 Aba, 30° lO'E., 3° 50' N. Malela, 12° 40' E., 6° S. 



Akenge, 20° 50' E., 2° 55' N. Medje, 27° 15' E., 2° 25' N. 



Bafwabaca, 27° 30' E., 2° 10' N. Niangara, 28° E., 3° 40' N. 



Bagboro, 29° E., 4° 18' N. 



Banana, 6°S., 12° 40'E Poko, 26° 50' E., 3° 10' N. 



Borna, 13° E., 30° N. 



Risimu, 26° 45' E., 1° N. 

 Faradje, 29° 10' E., 3° 40' N. 



Stanleyville, 25° 10' E., 1° N. 

 Gamangui, 27° 30' E., 2° 10' N. 

 Garamba, 29° 40' E., 4° 10' N. Thysville, 15° E., 5° 30' S. 



Kinshasa, 15° 20' E., 4° 20' S. Yakuluka, 28° 50' E., 4° 20' S. 



Kwamouth, 16° 10' E., 3° 20' S. 



'Scientific Results of the American Museum Congo Expedition. Entomology, No. 16. 



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