176 AMERICAN HYMENOPTERA. 



V. oonsobrina Sauss. (V. scelesta MacF., Trans. Am. Ent. Soc. vol. xv, p. 

 298) f. — Eyes extending to the base of the mandibles. Head black, subtrian- 

 gular, slightly longer than broad, with the mandibles except the edges, the cly- 

 peus except a central trefoil-shaped black spot, a stripe behind each eye, a narrow 

 line in the sinus of the eyes, and a bilobed spot between the antennae white; an- 

 tennae all black. Thorax black, with a line on the posterior edge of the protho- 

 rax widely interrupted in front, two lateral spots on the scutellum, border of the 

 tegulse and a spot under each fore wing white. Abdomen black, the first seg- 

 ment entirely so; sec^ond segment with a narrow, interrupted, white border, 

 becoming wider laterally ; third segment broadly bordered apically with white 

 and having three indentations; fourth and fifth segments very broadly bordered 

 with white and having two rounded lateral indentations or spots ; anal segment 

 with a small white spot on each side ; coxae, trochanters, femora, except tips, 

 black ; tips of femora, tibiae and tarsi, honey -yellow. Wings hyaline, with the 

 nervures brown. 



% . — The abdominal segments narrowly bordered with white, the border of the 

 first segment being narrow and interrupted. 



Worker. — Resembles the female ; the first abdominal segment has a narrow 

 interrupted border of white, the other segments being more narrowly bordered 

 than in the female and the indentations not so prominent. Length 10.5 mm. 



Var. A. — One specimen has a narrow white line on the scape of the antennae 

 and a black spot on the mandibles. 



Var. B. — One specimen has a small white spot on the scape of the antennae. 



Hub. — Maine, New Hampshire, Massachusetts, Connecticut, 

 Pennsylvania, Virginia, Cohirado, Montana, Washington (Mac- 

 Farland), Newfoundland. 



"V. riifsi Linn. 9 . — Eyes extending nearly to the base of the mandibles. 

 Head black, with the mandibles, except the teeth, the clypeus, except the edges, 

 and a vertical stripe in the middle with lateral teeth at the lower end, and a sub- 

 quadrate spot on the front, a line extending downward from the sinus of the 

 eyes and an interrupted stripe behind the eyes yellow ; antennae all black. Tho- 

 rax black, with the posterior border of the prothorax, borders of the tegulae, a 

 spot under the fore wings, two spots on tlie scutellum and two smaller ones on 

 the postscutellum yellow. Abdomen black, the first segment with a central black 

 spot in front and a yellowish terminal border; second segment brown, with a 

 yellowish terminal border, a black basal border connected with a black median 

 spot extending into the brown, on each side of which is a small black spot; third, 

 fourth and fifth segments with a broad apical band broadly notched medially 

 and with a black spot on each side : anal segment with a large brown spot on 

 each side. Legs yellow, with the coxae, trochanters and basal half of the femora 

 black. Wings hyaline, with the nervures brown. Length 15 mm. 



Worker. — Similar to the female, except that it is smaller in size, and has the 

 terminal borders of the abdominal segments narrower. Length 12 mm. 



Hab. — Europe, Canada. 



V. vulgaris Linn. 9 . — Eyes extending nearly to the base of the mandi- 

 bles. Head black, with the mandibles, except teeth, clypeus, except a variable 

 spot in the center, sinus of the eyes and a line from it to the clypeus, a quadrate 



