H. W. LEWIS. 175 



V. inaculata Linn. J . — Eyes remote from the mandibles. Head black, 

 with the mandibles except the edges, the clypens except the front edge and a 

 vertical line through the middle, a siibquadrate mark on the middle of the front, 

 sinus of the eyes and a broad stripe behind each eye white : antennte black, with 

 the scape yellow in front, the flagellum ferruginous beneath. Thorax black, 

 with nearly the whole prothorax above, a nearly triangular spot under the wings 

 and a transverse mark on each side of the scutellum and postscutelliim white ; 

 tegulfe ferruginous with a white spot. Abdomen black, with a white spot on each 

 side of the third and last segments; the fourth and fifth segments have each a 

 broad, white terminal band, more or less completely divided in the middle with 

 a black spot on each side sometimes connected with the black on the front of 

 the segment; the third, fourth and fifth segments have on the undei-side a white 

 spot on each side slightly notched with black above ; anal segment wliite, with a 

 small black notch on the posterior end. Legs variegated with black and white, 

 the last color dominant on the anterior ones and the black on the posterior ones. 

 Wings somewliat reddish brown, especially along the costa. Length 22 mm. 



% . — Similar to the female ; the white of the prothorax is restricted to a stripe 

 on the posterior edge and a short line extending from it down the anterior border 

 on each side; the sixth and seventh abdominal segments are the same as the fifth 

 of the female. 



Var. A. — One specimen has an irregular white line on the middle of the poste- 

 rior border of the first abdominal segment, and on the third segment there are 

 two lateral spots, narrow within and broadening near the edge. 



Var. B. — One specimen has no marks on either scutellum. 



Worker. — Similar to the female. Length 17-18 mm. 



Var. A. — In some specimens the marks on the postscutellura are wanting. 



Var. B. — There is no white on either scutellum or ou the third abdominal 

 segment. 



Hab. — Europe, New York (Lintner), Maiue (Fernald), Ottawa 

 (Couper), Vancouver Island (Taylor). 



V. marginata Kirhy 9- — Eyes remote from the mandibles. Head black, 

 with the mandibles except the tips, a bilobed spot on the front, a narrow line ex- 

 tending from the clypens to the sinus of the eyes, and a spot above and behind 

 each eye white; clypens whitish yellow with a large discoidal black spot in the 

 center: antennse black, with the scape yellow in front. Thorax black, with a 

 white stripe on the posterior border of the prothorax, sometimes with two small 

 spots on the scutellum and postscuteilnm. Abdomen black, with each segment, 

 except the last, bearing an apical white border, and all but the first with three 

 slight indentations ; anal segment with a white spot on each side. Legs yellowish 

 white, with the coxte, trochanters and basal half of the femora, black. 



% . — Diflfers from the female in having a stripe behind the eyes more or less 

 interrupted in the middle, a triangular spot under the wings, two small spots on 

 the scutellum and two on the postscutellum white. 



Var. A.— One specimen from Maine is yellowish white instead of white, but 

 the nature of the markings is such that I am confident it belongs to this species. 

 Hab. — New York (Kirby), Orono, Maine^ Canada, British Co- 

 lumbia. 



TRANS. AM. ENT. SOC. XXIV. JUNE. 1897 



