LIST OK DIPTKRA. 501 



1. Plesiomma TESTACEA. 



Mas. Testacen ; antenna fidva; ; thorax nigra subvittat us ; abdo- 

 men fulvum, fmco fascialum ; pedes fulvi, tibiis posticia 

 femoribusque fuscis ; tibice basi flavm ; al(E fuscance. 



Plesiomma testacea, Macq. Dipt. Exot. i. 2, 55, 1, pi. 5, f. 2. 



2. Plesiomma nigra. 



Mas et Fcem. f^igra ; abdomen cyaneo-nigrum ; pedes obscure 

 fusci; ala fiavidiB, basi cosiaque fuscanis. 



Plesiomma nigra, 3Tacq. Dipt. Exot. i. 2, 55, 2. 

 Dasypogon fuliginosus ? Wied. 



Brazil. 



