110 THE CANADIAN ENTOMOLOGIST 



Holotype— c?, Fall River, Estes Park. August 24, 1919, (P. W. Claassen). 



Paratopotypes — 2 cf 's. 

 Dicranota montana, new species. 



General coloration gray, the mesonotal praescutum with three brown 

 stripes; wings pale brown, the stigma dark brown; a faint brown cloud at r-m; 

 cell M^ present; cell 1st M^ open by the atrophy of m. 



Male. — ^Length 9.3 mm.; wing 9.2 mm. 



Rostrum and palpi dark brown. Antennae rather elongate, dark brown, 

 the flagellar segments somewhat incrassated on their inner face. Head dark 

 brown, presumably gray pruinose in dry specimens. 



Mesonotal praescutum gray with three conspicuous, dark brown stripes; 

 scutal lobes dark brown ; remainder of the mesonotum and the pleura dark brown. 

 Halteres pale, the knobs slightly darker. Legs with the coxae dark brown 

 basally, paler brown apically; trochanters brownish yellow; remainder of the 

 legs dark brown, the femoral bases more yellowish. Wings with a pale brownish 

 tinge; stigma oval, dark brown; a faint brownish cloud at the deflection of 

 R^ and r-m; veins dark brown. Venation: Sc^ ending opposite r; Rs short, 

 strongly arcuated, angulated or weakly spurred beyond the base; i?2'^3+4 equal 

 to or shorter than r-m; R^'^^ before r longer than this cross-vein; outer deflection 

 of R^ close to the tip of R^; deflection of R^ short to very short; cell M^ present; 

 cell Ist M^ open by the atrophy of w. 



Abdomen dark brown, the pleural integument pale with a linear brown 

 mark opposite each segment. Male hypopygium with the pleurites short and 

 stout, the outer angles slightly produced; pleural appendage bifid, the outer 

 arm short, fleshy, with numerous setae, the inner arm longer, flattened into a 

 yellowish chitinized blade. Penis-guard a broad depressed structure, the caudal 

 margin produced into three short points. 



Habitat. — Colorado. 



Holotype— cf , Fall River, Estes Park, August 24, 1919, (P. W. Claassen). 



Paratopotypes — -3 cf's. 

 Nephrotoma sphagnicola, new species. 



Close to N. incurva (Lw.) ; occipital spot broadly subtriangular; mesonotal 

 scutum trivittate, there being a narrow, black, median stripe in addition to the 

 marks on the scutal lobes; thoracic pleura indistinctly spotted with reddish 

 brown. 



Female. — Length 13.5-14 mm.; wing 10.5-11.8 mm 



Frontal prolongation of the head yellow, the dorso-median line black; 

 nasus long, black; palpi dull yellow, the last segment passing into brownish. 

 Antennae with the first segment brown, more reddish beneath; second segment 

 pale; flagellum black 'Head broad, bright orange, the occipital mark broadly 

 rounded or subtriangular, rather indistinct; a small brown spot on either side 

 of the vertical tubercle, adjoining the inner margin of the eye; genae tinged wth 

 dark brown. 



Pronotum dull yellow. Mesonotum pale orange-yellow with three black 

 stripes, the median stripe very broad in front, narrowed behind; lateral stripes 

 short, straight, not connected with the rounded velvety spot laterad of their 

 anterior ends; scutum trivittate with black, a distinct, black, median vitta, in 

 addition to the triangular black areas on the scutal lobes; scutellum brownish, 



