8 (13) 
9 (12) 
10 (11) 
11 (10) 
12 (9) 
13 (8) 
14 (15) 
15 (14) 
18 (17) 
19 (20) 
20 (19) 
SYRPHID#. 
Pterostigma with the base black or blackish ; 
face grey-dusted ; peristoma usually nar- 
row and almost entirely black; third 
longitudinal vein always straight. 
Third antennal joint very elongate, as long 
as the arista, much swollen and pointed 
at the end; basal joint of hind tarsi 
distinctly sw rollen , Do) ee a 
Third antennal joint much shorter than the 
arista; basal joint of hind tarsi not 
swollen. 
Third abdominal segment with a more or 
less broad yellow band, which reaches 
the anterior border. 
Peristoma very narrow and black ; second 
and fourth abdominal segments each with 
ayellow band; front femora yellow, with 
blackened base. 
Wings entirely hyaline; yellow band of 
second segment MATTOW. 0s <ietoele es 
Wings with the basal half infuscated ; yel- 
low band of second segment broader . 
Peristoma broader, with distinct black 
lateral stripe ; second and fourth segments 
without yellow band; front femora 
LAG He ale oe dase cteter nich Se ee On 
Band of the third segment whitish, not 
broader than the others and distant "from 
the anterior border. 
Thorax shining’; wings pure hyaline ; 
femora yellow, blackened at base; face 
white pilose ; abdomen with four distinct 
DRTC os ns tits nh acide ea 
Thorax dullish ; wings faintly infuscated, 
pubescent; femora black; face black 
pilose ; abdomen with three less distinct 
bands! S55 eee aeplacer eeeieitars agate foie 
‘yes bare ; postocular fringe short and 
sparse ; antenne yellow, or rarely dark- 
ened above, the third joint short and 
rounded, 
Abdomen oval, the second segment with a 
yellow spot on each side, the third and 
fourth with a broad yellow transverse 
band, which is slightly emarginate be- 
hind!" SU Tee eta he. sie interes tas 
Abdomen parallel-sided, narrow, and linear. 
Face wholly yellow; abdomen entirely 
yellow, except base and three yery narrow 
black stripes on hind boider of second, 
third and feurth segments, which are 
sometimes duplicated” tet AaB fo om AR RE 
Face with a meaian black stripe; abdomen 
wholly black, with three pairs of yellow 
oblique spots, those on third and fourth 
segments in contact in the middle ...... 
influticornis, sp. N. 
adliyatus, Wied. 
var. tricolor, Walk. 
var, melas, var. n. 
claripennis, Loew. 
hirticeps, Loew. 
cognatus, Loew. 
trisectus, Loew. 
redivitns, sp. 2, 
