24 SYRPHID &. 
wholly pale-haired ; sides of face strongly 
shining ; tarsi entirely yellow, the hind 
pair only a little infuscated at the end ; 
nbdomen narrow, not broader than the 
thorax, with the first yellow band in the 
male not interrupted; eyes of male 
touching along } mm. only ; length about 
Bins. 14a ee gf .es minor, sp. n. 
14 (J) Face with a 2 median black stripe, or at least 
with a quadrate or semicircular black 
spot on the upper front edge of the buccal 
cavity; the face is very strongly and 
conically produced, being very prominent 
below and having the anterior edges of 
the buccal cavity perpendicular or even 
projecting forwards ; peristoma broader, 
wholly yellow; frons flattened, without 
rominent tubercle; antennz more or 
ess distant at the base and often very 
remote from each other, with the first 
joint often elongate and the third black, 
more or less yellowish beneath ; proboscis 
long or very long; sides of thorax and 
pleuree not or indistinctly yellow; first 
ellow abdominal band interrupted in the 
date (rostrata-group). 
15 (16) Facial tubercle cariniform as in the pre- 
ceding group; first antennal joint not 
elongate; a semicircular black mark on 
the upper edge of the buccal cavity ; scu- 
telium black-haired ; wings very long 
and fuscous; first yellow. band’ inter- 
rupted; black bands broad and four in 
number; lateral borders of the third, 
fourth, and fifth abdominal segments 
black; proboseis short heats. ..« mosaohs «begs amena, Aust. 
16 (17) Facial tubercle broad and rounded, not 
cariniform ; face with a broad black oral 
spot or a broad stripe ; first antennal joint 
elongate ; proboscis long. 
17 (18) Face with ‘only a quadrate black spot on 
oral edge, moderately prominent, whitish 
on the sides; first antennal joint twice 
as long as the second ; scutellum at the 
base with yellow hairs; black abdominal 
bands very narrow, in the male only two 
or three, in the female three, the lateral 
borders without a black stripe; species 
of smaller size and with very short 
WINGS . . qe.pipebabah sappet Gureldcn feat wild, BOZzy. 
18 (17) Face ‘with a broad median black stripe, 
which always covers the median tubercle, 
reaching sometimes the base of the an- 
tenn, yellowish on the sides, more pro- 
duced below; black bands broader and 
four in number; species of greater size 
and long-winged. 
