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I. Lateral angles of pronotum unarmed; joint 1 of ros- 
trum shorter than or suhequal in length to part of 
head before eyes. (Subgenus Zelus) 39. ZELUS 
II. Lateral angles of pronotum armed. 
J. Posterior disc of pronotum unarmed. 
K. Spine at posterior lateral angles without a tooth 
behind at its base; abdomen linear 
3 6. D ARB ANUS 
KK. Pronotum at posterior angles armed with a 
sharp spine and behind it a tooth giving it a bi- 
spinous appearance; abdomen showing a little at 
each side of the elytra. (Subgenus Diplodus) . . . 
35. ZELUS* 
JJ. Disc of pronotum armed with two spines. (Sub- 
genus Pindus) 35. ZELUS 
HH. Fore femora shorter than hind femora, rarely of equal 
length, in this case joint 1 of rostrum as long as or longer 
than joint 2. 
I. Joint 1 of rostrum shorter than joint 2; fore femora a 
little shorter than hind femora; joint 1 of rostrum dis- 
tinctly longer than head before eyes .,34. PSELLIOPUS 
II. Joint 1 of rostrum as long or longer than joint 2. 
J. Postscutellum acute, produced into a tooth; head 
long, bispinous 38. DEBILIA 
JJ. Postscutellum not acutely prominent behind scutel- 
lum. 
K. Two spines on apex of femora... 39. RICOLLA 
KK. Apex of femora without spines or with two very 
short ones. 
L. Pronotum armed with spines on the disc. 
M. Fifth and sixth abdominal segments con- 
jointly and abruptly dilated, their margins 
forming an acutely angled foliaceous plate, 
armed with an apical spine; antennae as long 
as body 43. SOSIUS 
MM. Penultimate segment of abdomen unarmed 
and not dilated. 
N. Juga distinctly prominent at the apex and 
often acute or subacute; fore femora dis- 
tinctly incrassate; hemelytra usually not 
reaching apex of abdomen. 
O. Head as seen from the side gradually 
narrowed behind the eyes 
41. ROCCONOTA 
00. Head as seen from the side suddenly 
constricted at base. (In part) 
42. FITCHIA 
NN. Juga when prominent obtuse at apex; 
eyes full width of head; fore femora not in- 
