1949] 
Hull — Genus V olucella 
35 
segment is dark brown, the second shining black with a 
pair of diffusely margined yellow triangles on the base 
of the segment which are suhtranslncent and divided in 
the middle by a diffuse blackish vitta. Third and fourth 
segments extremely dark sepia but appearing chiefly 
blackish especially in the middle. The pile of the second, 
third and fourth segments is abundant, very fine and ac- 
tually entirely very pale yellowish white ; in some lights 
it appears to be blackish. 
Holotype: female, Nova Teutonia, Brazil, Fritz Plau- 
mann; Jan.-Apr., 1948. 
Volucella nigropoda n. sp. 
A yellow and black species. Belated to correcta Cur- 
ran, the legs are quite black instead of reddish. More 
than three-fourths of the mesonotum is black with a 
purplish reflection. Length 7 mm. 
Male. Head: the face and the posterior portion of the 
cheeks and the front are pale yellow. The face has a 
brownish black middle stripe becoming evanescent be- 
tween the tubercle and the antennae. There is a very 
wide polished black stripe from the lower eye margin to 
the epistoma. The pile of the front and face is pale 
yellow; the antennae are pale brownish orange. The 
arista are pale, becoming dark only at the extreme tip ; 
it has seventeen rays. The eyes are widely touching, the 
upper facets only slightly enlarged; the upper ocular 
pile is very dense, longer than that on the lower half and 
nearly black in color. This upper pile becomes thinner 
dorsally and posteriorly beyond the area of the enlarged 
facets. The lower ocular pile appears to be reddish to 
yellowish brown. Vertex black with a few black hairs. 
The eye facets extend to the posterior rim of the head 
upon the upper one-fourth ; the occiput which is yellowish 
or greyish white pollinose stops at this point. Pile of 
the occiput very short, sparse and pale yellow. Thorax: 
the mesonotum is widely shining black with an opalescent 
bluish and strong coppery or purple reflection. The lat- 
eral margins are broadly pale yellow but the black medial 
area is considerably wider than the scutellum and occu- 
