H. W. LEWIS. 173 



V. media. Retz. 5* • — Kyes remote from the ruandibles. Head reddish yel- 

 low, with the tips of the mandibles, the region of the ocelli and about the base 

 of the mandibles, dark brown or black; antennse black above, except the first 

 two joints of the flagellnm, which are ferruginous, beneath ferruginous, with the 

 scape reddish yellow in front. Thorax black, with the prothorax, tegulse, two 

 indistinct, longitudinal stripes on the mesothorax, the scutelhim and postscutel- 

 lum browu. Abdomen black, with the apical border of the first and second seg- 

 ments reddish yellow, notched medially and the latter with a notch on each side; 

 third, fourth and fifth segments broadly bordered with reddish yellow, with a 

 median notch and black spot on each side; anal segment entirely yellow. Legs 

 reddish brown, except the middle and hind coxfe, the hinder part of the fore 

 coxjE and the base of the femora which are black. Wings reddish. Length 15 mm. 



% . — Clypeus yellow, spotted with black ; antennae as in the female ; scutellura 

 black, bearing two yellow marks. Abdomen above with the base of all the seg- 

 ments black and the posterior bordei's yellow : underside of the abdomen similar 

 to the upper, except the first segment, which is entirely black. Length 13 mm. 



Worker. — Head black, with the mandibles, except the edges, clypeus except a 

 spot in the middle, a subquadrate spot on the front, sinus of the eyes with a line 

 extending to the clypeus, an irregular stripe behind the eyes yellow ; antennae as 

 in the female. Thorax black, with the posterior edge of the prothorax and a line 

 extending down on each side, a stripe on each side of the scutellum and one on 

 each side of the postscutellum yellow. Abdomen black, with the segments bor- 

 dered terminally with yellow ; all the borders notched medially, and all but the 

 first with an excavation on each side. Legs as in the female. Length 13 mm. 



jSfa^.— Europe, Canada, Vancouver Island (Taylor). 



V. fernalili n. sp. 9 • — Eyes remote from the mandibles. Head black, with 

 the mandibles except the edges, the clypeus, except the edge and a vertical spot 

 in the center, a subquadrate spot ou the front, the sinus of the eyes and a par- 

 tially interrupted stripe behind the eyes yellow; antennae black, with the scape 

 yellow in front ; fiagellum ferruginous beneath. Thorax black, with the poste- 

 rior border of the prothorax, a short line extending down each side, borders of 

 the tegulae, a large triangular spot under the wings, a linear spot on each side of 

 the scutellum and postscutellum and two spots on the posterior part of the meta- 

 thorax yellow. Abdomen black, with the first segment broadly bordered apically 

 with yellow, narrowing laterally and broadly indented or interrupted medially; 

 the remaining segments broadly bordered apically with yellow, deeply indented 

 medially and with a large black dot on each side. Legs yellow with the coxae, 

 except a spot on the front, trochanters, base of femora and a spot on the anterior 

 tibiae black. Wings hyaline with the nervures brown. 



Worker. — Smaller than the female, which it closely resembles; sometimes the 

 lateral dots of the abdominal segments become lateral, rounded indentations. 

 Length 13 mm. 



Var. A. — Some specimens have the first abdominal segment yellow with a me- 

 dian and two lateral black indentations. 



Var. B. — One specimen has two small, yellow spots on the mesothorax near the 

 scutellum. 



Hab. — Colorado. 



V. iliabolica Sauss. 9. — Eyes remote from the mandibles. Head black, 

 with the mandibles except the edges, the clypeus except a variable spot in the 



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



