6 PKOCEEDINGS OF THE NATIONAL MUSEUM vol. 70 



This species very evidently belongs to some other genus than to Doros and 

 probably belongs to the subfamily Chilosinae. The species may come in the 

 genus herein described under the name Valdivia. 



Subfamily Chilosinae 



Pia Philippi: 



cyanea Philippi Chile. 



Trichopsomyia Williston : 



polita, puella, tuierculata, longicornis Williston Brazil. 



Sphegina Meigen : 



ISphegina cMragra Fabricius South America. 



ArgenUnomyia F. Lynch — A: 



tcstaceipe» F. Lynch — A Argentina. 



Myiolepta Newman : 



haemorrhoidalis Philippi Chile. 



luctuosa Bigot Chile. 



It is very doubtful if either of these species belong to Myiolepta. 

 Rhingia Scopoli: 



nigra Macquart Columbia. 



harrisi Curran Brazil. 



Subfamily Volucellinae 



This subfamily is greatly in need of revision. 

 Volucella Geoffrey. 

 Olaurotricha Thomson. 

 Phalacromyia Rondani. 

 Temnocera St. Fargeau and Serville. 



Viereclcomyla Curran Columbia. 



Apophysophora Williston : 



hirtipes Macquart '. Brazil. 



Lepidopsis Curran : 



compactus Curran Brazil. 



Subfamily Xylotinae 



Maorometopia Philippi : 



atra Philippi Chile. 



Pterallastes Loew: 



nuheculosus Van der Wulp Argentina. 



Promilesia F. Lynch — A : 



nectarinoides F. Lynch — A Argentina. 



Spilomyia Meigen : 



gratiosa Van der Wulp Argentina. 



Ceriogaster WiUiston : 



fosicitJwrax Williston Brazil. 



DESCRIPTIONS OF NEW SPECIES FROM COUNTRIES OTHER THAN 



CHILE 



Subfamily Syrphinae 



XANTHANDRUS FLAVOMACULATUS, new species 



Male. — A species easily recognized by the presence of an additional 

 pair of large, yellow spots on the second tergite. Head large, entirely 



