82 DIPTERA OF MINNESOTA. 



maggots can work their way through these cracks. Such material is 

 best kept in sealed bottles. Several members of this interesting 

 family occur in Minnesota. The writer has taken the following 

 species in this state. 



Stratiomyia harhata, Loew ; S. badia, Walker ; S. discalis, Loew, 

 Fig. 8, Colored Plate II ; S. limhata, Loew ; S. mcigenii, Wied. ; S. 

 picipcs, Loew; S. normula, Loew; Sargus viridis, Say, Fig. i, Colored 

 Plate I ; Allognosta fuscitarsis, Say ; Nemotelns unicolor, Loew ; A^. 

 nigrinis, Fall.; N. uliginosus, Linn.; Actina (Bcris) liridis, Say, Fig. 

 73 ; Microchysa polita, Linn. ; Odontomyia cincta,0\\v.. Fig. 7, Colored 

 Plate I ; 0. rcertebrata, Say ; 0. tniqidi, Bell ; 0. ilavicornis, Oliv. There 

 also occur in Minnesota as shown by labels on specimens in our col- 

 lection Odontomyia hinotata, Loew, female shown in Fig. 3, Plate I ; 

 0. inaequalis, Loew.; 0. nigrirostis, Loew.; O. interrupta, Oliv.; O. 

 pilimana, Loew. ; 0. intermedia, Wied. ; Sargus decorus, Say, Fig. 4, 

 Colored Plate II ; Euparyfhiis bcllns, Loew ; Hylomyia pallipcs, Loew. 



l-'ig. 73. Actina (Bcris) viridis. Original. 



ACANTHOMRRIDAE. 



A small family containing only fifteen or sixteen species, about five 

 of which occur in North America, contained in two genera found only 



