350 LIST OF DIPTERA. 



Acrocera orhiciilus, Meig. Zweift. iii. 97, 5. Macq. Dipt. Nord. 



Asil. 1)2, 1 ; Hist. Nat. Dipt. i. ;)70, 3. Erichs. Enlomogr. i. 



165, 2. 

 Ogcodes pubescens? Latr. Hist. Nat. Ins. xiv. 315, 2. 



Hartz Dislricl, Germany. 



5. Acrocera tumida. 



Nigra, nitida ; abdomen aurantiaeum, segmentis 2o ^nqxu nigris 

 auraiitiaco maculalis, 4o nigro maculato ; pedes testacei, genu- 

 bus tarsisque albidis ; alec ktfalince ; halteres albi. 



Acvocera tumida, Ericlis. Entomogr. i. 166, 3. 

 Germauy ? 



6. Acrocera borealis. 



Nigra; thorax macula hiimerali parva et alia juxta scutellum 

 ulrinque valde obsolela, albidis ,• pedes patlidi, tarsis apice 

 fuscis ; alee hyaliiut. 



Acrocera horealis, Zett. Ins. Lapp. 573, 1 ; Dipt. Scand. i. 230, 2. 

 Erichs. Entomogr. i. 167, 7. 



Lapland. 



7. Acrocera trigbamma. 



Pallide fiavescens ; thorax vittis tribus, abdomen macutartim serie 

 triplici iiigris. 



Acrocera trigramnia, Loew, Ent. Zeit. Stett. 1845, 290. 

 Sicily. 



North America. 



8. Acrocera fasciata. 



Nigra; abdomen fiavum, fasciis tribus nigris, anterioribus utrin- 

 que connexis ; pedes albidi. 



Acrocera fasciata, Wied. Aiiss. Ztveijl. ii. 16, 2. Erichs. Entomogr. 

 i. 166, 4.. 



Georgia. 



