THE CANADIAN ENTOMOLOGIST. 199 



NEW NORTH AMERICAN MYCETOPHILID.E. 



BY D. W. COQUILLETT, WASHINGTON, D. C. 



Platyura lurida, n. sp. ? . Head and anteniue black, first two 

 joints of the latter and the mouth parts somewhat yellowish. Thorax, 

 pleura, scutellum, abdomen and legs, pale yellow, the tarsi toward the 

 apex brownish-yellow, the thorax marked with three reddish-yellow vittse. 

 Wings hyaline, slightly tinged with yellowish toward the costa, otherwise 

 unmarked ; tip of auxiliary vein nearly twice the length of the humeral 

 cross-vein beyond the base of the third ; sub-costal cross-vein nearly three 

 times the length of the humeral beyond the latter ; anterior branch of the 

 third vein oblique, ending its own length beyond the tip of the first ; 

 sixth vein reaches the wing margin. Length, 6 mm. Washington. A 

 single specimen from Prof. O. B. Johnson. 



Platyura Afaudce, n. sp. $ . Head and antennae black, palpi 

 yellowish. Thorax, pleura and scutellum bluish- black. Abdomen 

 reddish-yellow, first two segments black, the base of the second tinged 

 with reddish ; this segment is one-half longer than broad. Halteres 

 yellowish. Coxae reddish-yellow, blackened at their bases, femora deep 

 yellow, tibia brownish-yellow, tarsi black. Wings yellowish-gray, a 

 brownish spot extends from the first vein, before its apex, to the posterior 

 branch of the fourth vein near its base ; apex of wing from midway 

 between tips of first and third veins to apex of sixth vein grayish-brown ; 

 a brown cloud on third vein near its base ; tip of auxiliary vein twice the 

 length of the humeral cross-vein beyond the base of the third ; sub-costal 

 cross-vein one and one-half times the length of the humeral cross-vein 

 beyond the latter ; anterior branch of third vein oblique, ending nearly its 

 own length before the tip of the first ; sixth vein reaches the wing margin. 

 $ same as the $ except that the second abdominal segment is twice as 

 long as broad, and the anterior branch of the third vein is perpendicular, 

 ending twice "its length before the tip of the first vein. Length, 9 mm. 

 Washington. A pair from Prof. O. B. Johnson, at whose suggestion I 

 have named this handsome species in honour of Miss Maud L. Parker, 

 whom he designates as " one of my most faithful collectors." 



Platyura pectoralis, n. sp. 9 . Front, occiput and antennae, black; 

 first two joints of the latter, the face, cheeks and mouth parts, yellowish. 

 Thorax and scutellum reddish-yellow, pleura and metanotum bluish-black. 

 Abdomen reddish-yellow, the first segment black, the second three times 

 as long as broad. Halteres yellowish. Coxje and femora reddish- 



