26 BULLETIN 85, UNITED STATES NATIONAL MUSEUM. 



6 2. Clypeus subglobose or pyriform, not elongated, more or less appressed to face. 



c '. Forceps of male clavate, with an inwardly directed tooth on inner anterior 



margin subapically. 



d *. Body not very large; length to tip of folded wings distinctly less than 4 mm. 



e ^ Antenna? not longer than width of head. 



/I. Wings clear, with an irregular brown band across apex diagonally; 



color of body reddish to flavous rumicis Mally. 



/ 2. "Wings whitish, opaque, covered more or less densely with small round 

 brown spots. 

 g 1. Head and thorax not brown or dark colored (see ■pinicola). 

 h ^ Color whitish; length usually about 2 mm to tip of folded wings; 



wings sparsely dotted arteviisise Forster. 



ft 2. Color not whitish. 



i ^. Female genital segment as long as head and thorax together, 



with short pubescence; length to tip of folded wings usually 



over 2.5 mm, often -3.5 mm; color greenish yellow, with 



whitish stripes on thoracic dorsum; wings elongate, densely 



spotted angustipennis Crawford. 



i 2. Female genital segment shorter, with long hairs on distal half 

 of dorsal valve; length to tip of wings not mucli over 2 mm; 

 color greenish; wings less densely spotted, less elongate. 



viridis, new species. 

 g^. Head and thorax brown, or mostly dark colored; wings rather 

 sparsely spotted. 

 hK Thorax very strongly arched, broad, variegated with flavous and 

 dark brown (female sometimes mostly flavous). 



pinicola, new species. 

 h'^. Thorax not very strongly arched, narrower; dorsal head and thorax 

 chocolate brown, abdomen and venter flavous. 



suaedx, new species. 

 e^. Antennae distinctly longer than width of head. 

 /I. Head and thorax greenish yellow or flavous; length to tip of folded 

 wings 3 mm or moi-e; thorax scarcely arched. 



g' . Forewiags not spotted, somewhat flavous veaziei Patch. 



gr2. Wings indistinctly and sparsely spotted veaziei metzaria Crawford. 



p. Head and thorax darker; brown or black. 



g^. Wings clear or indistinctly spotted in apical portion; male genitalia 

 relatively very large; color brown to black, abdomen flavous. 



caudata, new species. 



g^. Wings with an irregular oblique brown band across apex, and spotted 



more or less besides; male genitalia not large; color light brown to 



blackish, with lighter markings on thorax pulchella Crawford. 



d?. Body very large, over 4 mm long to tip of folded wings, often over 5 mm; 

 male forceps greatly enlarged at apex; wings very large and broad. 

 e^. Wings clear or indistinctly browned in apical portion, often Vtdth a slight 



brownish tinge over entire surface picta Zetterstedt. 



e^. Wings similar, but with a distinct brown transverse band subapically. 



fascipennis Patch, 

 c^. Male forceps not clavate at apex, without inner subapical tooth; wings 

 maculated. 

 d^. Posterior process of male anal valve tapering uniformly to apex, not lanceo- 

 late; forceps deeply bifurcate, with two long thin processes; antennae 



one and a half times width of head alaskensis Ashmead. 



cP. Posterior process of male anal valve conspicuously lanceolate, petiolate 

 at base; forceps T-shaped; antennae one and a fourth times width of head. 



nebulosa kincaidi Ashmead. 



