1925] North American Varieties of Volucella hombylans Linn 115 
Dorsum of thorax black pilose, pleura yellow pilose, third 
abdominal segment black pilose (N. H. to Newfoundland:. . 
var. lateralis Johns. 
Dorsum of thorax black pilose, pleura yellow pilose, posterior 
margin of the second and a large dorsal spot on the third 
abdominal segment red, bearing reddish pile (Col., Utah, 
N. M.) var. rufomaculata Jones. 
3. Antennae dark brown, thorax with the pile in front of a line 
between the base of the wings black in the cf and mixed 
with yellow in the $ , abdomen entirely yellow pilose 
(Labrador) subsp. arctica Johns. 
Antennae red, pile of the thorax and pleura entirely yellow, 
first and second and the fourth and fifth segments of the 
abdomen with yellow or red pile (Eastern U. S.) . . . . 
subsp. eveda Walker. 
Abdomen with the pile of the first and second segments 
yellow, the others entirely black. . . . var. americana Johns. 
Abdomen with pile on the first and second yellow, a portion 
of the third segment reddish pilose, and the remaining 
segments with either red or yellow pile. > * 
var. sanguinea Will. 
Volucella bombylans facialis var. lateralis Johnson. 
V. plumata Macq., Dipt. Exot., 4, Suppl. p. 131, 1844. 
V. hombylans form lateralis Johns., Psyche, vol. 23, p. 161, 
1916. 
This is the eastern representative of facialis distinguished 
chiefly by having the pile of the pleura yellow. The variety is 
quite common at Mt. Desert and the only form I have taken on 
the island. It belongs to the Canadian zone. 
Volucella bombylans facialis var. rufomaculata Jones. 
V. hombylans form sanguinea Johnson ( non Williston), 
Psyche, vol. 23, p. 162, 1916. 
V. rufomaculata Jones, Ann. Ent. Soc. Amer., vol. 10, p. 227, 
1917. 
This was referred to sanguinea in my previous paper, on the 
strength of the reddish pile on the abdomen. Since then I have 
