1869.] 
2C9 
ANGLICUS. 
<? ? . Smaller size, averaging (J 3^ lin., 
alar. 6i ; ? 3J, alar. 6f . 
Transverse vein about 1^ times as long 
as the basal portion of the cubital 
vein. 
Cubital vein rather wavy. 
Indistinct portion of cubital vein before 
the fork longer. 
Edge of the alulae blackish. 
Sub-costal vein with several bristles on 
it, and costal pubescence stronger. 
Knob of the halteros narrower. 
Joints of the antennae more distinct. 
Pubescence on 
blackish. 
all the abdomen 
Pubescence on the under-side of the 
thorax blackish. 
Hairs on the scutellum all black. 
Belly duller, rather hairy. 
Legs stouter, and all over more thickly 
beset with stronger bristles or hairs, 
which are all black ; the hinder tro- 
chanters are more even at their edge, 
the femora are rougher, hind pair 
shghtly more clavate, the middle pair 
of legs is especially moi-e thickly 
beset with bristles; the tarsi are 
shorter and stouter, and the close 
short pubescence beneath them is 
blackish -grey. 
Wings not so decidedly milky-white. 
9 . Hairs on the abdomen all black, ex- 
cept on the sides of the basal seg- 
ment, where they are pale. 
Few hairs on thorax and tip of scutel- 
lum stronger and darker. 
Pubescence about the head shorter and 
blacker. 
Front rough and dull. 
Legs rather more bristly ; tarsi thicker 
and shorter. 
Wings with darker imiforni tinge. 
HOETULANUS. 
(J ? . Larger size, averaging $ 4 lin., alar. 
7i ; ? 3f , alar. 8^. 
Transverse vein about ^ the length of 
the basal portion of the cubital vein. 
Cubital vein nearly straight. 
Edge of the alulae not very dark. 
Sub-costal vein bare or nearly so. 
(? . Pubescence at the base and sides of 
the abdomen whitish. 
Pubescence on the imder-side of the 
thorax pale. 
Hairs mostly pale on the scutellum. 
Belly shining, almost bare. 
Legs thinner, and all over more sparingly 
beset with bristles and hairs, which 
are evidently pale on the anterior fe- 
mora ; the hind trochanters are some- 
what notched, the femora are more 
shining ; the middle pair of legs ia 
very sparingly clothed with bristles ; 
the tarsi are longer and thinner, and 
the close short pubescence beneath 
them is whitish-gi'ey. 
Wings milky -white, except near the costa. 
? . Hairs on the abdomen all pale. 
Few hairs on thorax and tip of scutellum 
weaker and paler. 
Pubescence about the head partly pale. 
Front smooth and shining. 
Legs slightly less bristly ; tarsi thinner 
and longer. 
Wings with the tip evidently paler. 
