1868.] 
45 
Analytical table for the determination of the species. 
MALE SEX. 
L Whole abdomen black.2 
Basal third of the abdomen red ; areolet small, often 
wanting... E. dichlocerus Harris. 
2. A stump of a vein, or at least a pointed or angular 
projection inside of the radial area on the second 
transverse vein......“I 
Ho such stump or projection, the second transverse 
vein, inside of the radial area, being smooth..3 
A short, brown line or projection, like the stump of a 
vein, on the underside of the areolet, near the angle 
directed towards the tip of the wing ] elongated 
brownish clouds, indefinite in outline, in the apical 
area .....K. bicolor Harris. 
Ho such line or stump ...4 
4. A more or less distinct brown spot or cloud at the tip 
of the radial vein, near the margin of the wing; 
another on the transverse vein between the areolet 
and the margin; space of the radial area between these 
two clouds hyaline; no glossy, shining spots on the 
pleurae... E. ignota n. sp. 
Eadial area tinged more uniformly than in the pre¬ 
ceding species; pleurae with smooth ’ spots, which 
are much more glossy than their surroundings. E. rosae Linn. 
5. Parapsidal grooves remarkably deep; areolet small, 
radial and apical areae clouded. E. radicum n. sp. 
Parapsidal grooves very moderate, areolet of ordi¬ 
nary size; hardly any distinct clouds on the radial 
and apical areae. E. verna n. sji. 
FEMALE SEX. 
1. Whole body pale chestnut. E. dichlocerus Harris. 
Body black. E. radicum n. sp. 
Head and thorax black, abdomen red. 2 
2. Whole abdomen red.3 
Three or four of the last segments black. E. rosse Linn. 
3. Ho stump or projection on the second transverse vein, 
inside of the radial area; the latter and its sur¬ 
roundings clouded with pale brownish. E. verna n. sp. 
A stump of a vein or a pointed or angular projection 
on the second transverse vein, inside of the radial 
area.4 
4. Eadial area and its environs clouded ; a short brown 
line, like the stump of. a vein on the underside of 
the areolet... E. bicolor Harris. 
Two small, but well-marked clouds occupy both sides 
of the radial area, its middle being hyailne. E. ignota n. sp. 
