302 ENTOMOLOGICAL NEWS [xxxii, '21 



basal enlargement dark yellow, cylindroidal, scarcely emarginate above 

 the basal enlargement; setae shorter than the respective joints; pubes- 

 cence very fine, white. Occiput grayish- fuscous, with an indistinct, 

 darker, median line, orbital margins pale. 



Thoracic dorsum brownish-yellow. Pronotum with dark fuscous, 

 median line. Prescutal stripes brown, distinctly margined, especially 

 the lateral ones, the median stripe divided by a narrow line of the 

 ground color, which is a little wider behind the middle ; fuscous spots 

 of scutum margined. Scutel and postnotum gray, the former with 

 a fine, fuscous, median line, the latter with broad, lateral, fuscous 

 stripes and an abbreviated median line. Pleuro-dorsal membrane sordid 

 yellow. Pleura gray, mesosternum and mesepimeron darker. Halteres 

 pale yellow, club infuscate. Legs sordid yellow, pilosity black, very 

 short. Coxae yellowish-gray, whitish pruinose ; femora and tibiae 

 darker at the apex; tarsi fuscous, outer joints darker; metatarsi shorter 

 than the tibiae. Wings gray, more yellowish in basal part and along 

 cell Sc, darker in apical portion; no fuscous spot over origin of Rs, 

 stigma brown ; the broad post-stigmal spot extends through cell R2+3, 

 narrows in cell 7^4 + 5 and ends very conspicuously in cell 1st AI2; 

 the outer spot in cell M large and conspicuous ; a rather broad streak 

 in cell A\ close to vein Al, no pale spot in cell Cu. 



Abdomen orange yellow, first tergite grayish-yellow; three longi- 

 tudinal, fuscous stripes, the dorsal stripe conspicuous, entire, extends 

 from base to end of seventh tergite ; lateral stripes ill defined, and 

 consisting of irregular patches on the segments ; lateral margin of 

 tergites whitish. Eighth sternite simple, acutely produced in the mid- 

 dle. Hypopygium yellowish-gray, rather small ; ninth tergite mod- 

 erately large, channeled along the middle, the posterior margin with 

 V-shaped emargination ; ninth sternite with V-shaped emargination. 

 Pleural suture complete; pleurite truncate posteriorly, hind angle 

 acuminate; outer apical appendage small, lanceolate, curved dorso- 

 cephalad; the inner appendage large, perpendicular, bladelike ; the 

 lower appendage consists of a horizontal lamina, ending posteriorly in 

 an upturned, curved club, emarginate at its tip and turned outward. 



HolotypcS , Ottawa, Canada, January 9, 1912. (Germain 

 Beaulieu.) In author's collection. 



Named in honor of Mr. Germain Beaulieu, to whom 1 am in- 

 debted for many favors. 



Readily distinguished from all the other known members of 

 the group, in the distinctly bicolored flagellar segments, brown 

 with yellow, basal enlargement. In hvpopygeal construction 

 this species greatly resembles 7'. angustipennis. 



