1949] 
Hull — Genus Volucella 
31 
verse, preapical depression extending the entire apical 
width of the scutellum. The squamae are pale brown, the 
outer border, the margin and the fringe very dark sepia 
brown. Legs: black, only the extreme base of the an- 
terior and middle tibiae and the extreme apex of their 
femora yellowish brown. Pile of legs black, the ventral 
mat of the hind tarsi very nearly black but actually red- 
dish sepia in the middle. Wings: pale brownish hyaline 
with more distinct but diffuse yellowish brown tinge in 
the middle of the wing in the whole of the stigmal portion 
of the subcostal cell and in the outer half of the costal 
cell. Marginal cell widely open. Abdomen: the first seg- 
ment is shining black, the remaining segments black and 
shining with very strong opalescent greenish color and 
coppery reflection where the light strikes them. Hypo- 
pygium black. Sternites shining black with less conspic- 
uous opalescent reflections. The pile of the first and sec- 
ond sternites widely white through the middle with a few 
black hairs laterally. Third and fourth sternites with 
more restricted white pile in the middle. 
Female. Similar to the male, the front shining black 
throughout except upon the preantennal callus which is 
narrowly reddish. Frontal and vertical pile of the fe- 
male black. Pile of the abdomen broadly whitish on the 
basal portion of the second, third and fourth segments, 
becoming black narrowly on the posterior border of the 
second segment, black upon the posterior half of the 
third segment and the posterior half of the fourth seg- 
ment except in the posterior corners. 
Holotype : male, allotype, female, one paratype female, 
Nova Teutonia, Brazil, collected by Fritz Plaumann, 
Jan.-Apr., 1948. 
Volucella tripunctata n. sp. 
A small species characterized by the three brown spots 
in the middle of the wing, the broad yellow translucent 
base to the abdomen. Belated to fracta Curran. Length 
7.5 mm. 
Male. Head: face and the anterior half of the cheeks 
light yellowish brown. There is an indistinct medial 
