258 AMERICAN HYMENOPTERA. 



Abdomen rufous, black at apex and sometimes at base. 



Face yellow aiialis Cress. 



Face, above clypeus, black Niibcrassus Cress. 



Abdomen and legs entirely rufous; scape black; areolet wanting. 



extricatus n. sp 

 Scopiortis gillettei n. sp. 



f. — -7 mm. Rufous, with the sutures around the scutellum. and sometimes 

 more or less of ventral part of thora.x:, and apex of posterior femora, black ; apical 

 segments of abdomen more or less piceous; clypeus, mouth-parts, scape beneath, 

 tegulae and sometimes lower face and cheeks beneath, lemon-yellow ; wings sub- 

 hyaline, nervures and stigma dark brown, yellow at base; areolet wanting, in- 

 complete or present and petiolate, according to specimen. 



Four specimens from Prof. Gillette, of Fort Collins, Colorado, 

 and to whom I take pleasure in dedicating the species. Types, coll. 

 Davis and Amer. Eut. Soc. 



JSeopioru!^ expaiisa n. sp. 



% . — 6 mm. Black, with clypeus, except basal portion, mouth-parts and some- 

 times trochanters, yellow ; tegulse white; abdomen piceous, with segments 2 and 

 3 rufous at apex on lateral margins, and with broad, median, longitudinal stripe, 

 becoming less distinct on segment 4 ; legs rufous, middle coxae above and hind 

 coxse black, piceous at apex ; apex of femora, and tibise and tarsi of hind legs, 

 dusky; antennte dark brown; wings subhyaline, nervures and stigma dark 

 brown, yellow at base ; areolet present, petiolate. 



Two specimens from Colorado and Montana. Type, coll. Davis 

 and Amer. Ent. Soc. 



Scopioriis hiatus n. sp. 



'^ 9- — 8 mm. Head, antennae, thorax, all coxae ar,d trochanters, basal abdomi- 

 nal segment and three apical ones, four apical ones in 9' black; remainder of 

 legs rufous, except base of tibiae, which are lemon-yellow ; apical portion of clypeus 

 rufous, tegulae white; wings hyaline, areolet present, petiolate. oblique. 



Two specimens from Agricultural College, Michigan (coll. College 

 and Davis). 



Scopiorus quebecensis Prov. (Polyblastus), Faune ii, 420. 

 Tnjphon flavifrons Fyles. Can, Ent. xxv, 107. 

 '^ 9 • — 5 mm. Black, with face, mandibles, scape beneath, tegulae, point in 

 front and venter, white ; a black transverse line above clypeus ; palpi and antennae 

 brownish yellow ; apical margins of alidominal segments yellow, less so in '^ ; 

 sternum, lower pleurae, flanks of metathorax and legs yellowish red ; posterior 

 tibiae dusky at apex ; wings hyaline, nervures and stigma black, white at base; 

 areolet wanting ; abdominal segments 2 and 3 with strong transverse impressions 

 in the middle ; basal segment broad, carinae reaching the apex. 



Three specimens from Quebec, Canada (type, Quebec Museum). 



Scopiorns aiialis Cress. (Tnjphon), Proc, Ent. Soc. Phil, iii, 279, %. 

 Tryphon occidenfalis Cress., Trans. Amer. Ent. Soc. ii. 109, 9 ■ 

 ^ 9 . — 6-7 mm. Black, with legs and first three or four basal segments of ab- 

 domen rufous ; face, mouth-parts, scape beneath, tegulae, trochanters and venter, 



