Vol. IX] COLE & LOVETT—NEW OREGON DIPTERA 223 



Holotype (No. 464), collected at Forest Grove, Oregon, 

 May 2, 1918 (F. R. Cole), in museum of the California 

 Academy of Sciences. 



Paratype in the author's collection, taken at the same time. 



This species would run to Dsiedzickia, new species, in 

 Johannsen's table of species. It is very probably a different 

 form, however, as that species was from New Hampshire. 



3. Dziedzickia oregona Cole, new species 

 (Plate 14, fig. 3) 



Male : Length 4.5 mm. General color blackish ; head black, the palpi 

 black; antennae blackish brown, the second joint short and yellow; thorax 

 black, faintly gray pollinose ; pile along sides of mesonotum long and 

 yellow; three lines of pile on dorsum; some long black pile above wings 

 and on scutellum, together with yellow pile; pleura black; halteres yellow, 

 the knobs black. 



'Abdomen black with pale yellow pile ; venter black ; genitalia black ; front 

 coxse yellow, the two hind pair infuscated ; femora yellow, the tibiae brown- 

 ish yellow; itarsi blackish; tibial spurs bright yellow. 



Wings grayish hyaline, slightly darker in the costal region ; radial veins 

 heavier and blackish ; subcostal vein ending in first radial vein a little 

 before middle of small cell, which is twice as long as wide ; petiole of media 

 about twice as long as R-M cross-vein; cubitus forked far before R-M 

 cross-vein. 



Holotype (No. 465), collected at Forest Grove, February 10, 

 1919 (F. R. Cole), in Museum of the California Academy of 

 Sciences. 



Paratype in author's collection, taken at the same time. 

 Differs from iinmacnlata in the longer cell Ri and in the black 

 knob of the halteres, etc. 



4. Stratiomyia atra Cole, new species 



(Plate 14, fig. 4) 



Male : Length 12 mm. A black, rather thickly pilose species of medium 

 size. Antennae of normal length and black. Face black ; frontal and vertical 

 triangle black ; black pile around base of antennae ; occiput reddish yellow 

 on sides, black above and below with black pile ; a yellow mark on each 

 side of facial prominence (PI. 14, fig. 4a) on which is some yellow pile. 



Thorax black, rather thickly black pilose, the pile having a deceptive 

 yellowish appearance in strong light; pleura and pectus black and black 

 pilose ; knobs of halteres greenish white ; scutellum black, the margin 

 broadly reddish yellow with reddisih, blunt spines (PI. 14, fig. 4b). 



Abdomen black and black pilose ; flat above with dorsal yellow marks 

 narrow and confined to lateral margins much as in 5". meigenii. The marks 



