HEMIPIEKA HEl'EROPTERA. 
J Head before the eyes with a broad process, which 
is emarginate in front. Scutellum with an 
obtuse tooth on each side at the base. 
Scutellum unarmed at the base, with an erect 
spine on the disk. - 
Head longer than its breadth with the eyes, 
j Head with a rather long cylindrical neck. First 
joint of the rostrum as long as the third 
and fourth together. Fore tibiae with hardly 
any spongy furrow, that of the middle tibiae 
small. - 
First joint of the rostrum shorter than the third 
and fourth together. 
§ Scutellum spiny on each side at the base. 
§§ Scutellum unarmed at the base. 
X Fore lobe of the prothorax with two spines or 
tubercles on the disk. 
o Fore lobe of the prothorax unarmed on each side 
at the base. - 
oo Fore lobe of the prothorax with a spine or tubercle 
on each side at the base. 
Ocelli far from the eyes. - 
-H- Ocelli near the eyes. Second joint of the rostrnm 
hardly longer than the first. First joint of the 
anteniice hardly extending beyond the head. 
Fore angles and hind angles of the prothorax 
with a spine. Scutellum with an oblique 
apical spine. Legs long, slender ; fore femora 
unarmed, not incrassated. Spongy furrow of 
the fore tibiae elongated. - 
X X Fore lobe of the prothorax unarmed on the disk, 
o Ocelli large, very near the eyes. 
-b Second joint of the rostrum much longer than the 
first. ------ 
h — b Second joint of the rostrum hardly or a liLtle 
longer than the first. - 
oo Ocelli remote from the eyes. 
-r Fore coxas distinctly prominent near the hind 
border of the prostethium. 
++ Femora unarmed on each side beneath at the 
extreme tip. 
Ante-ocular and post-ocular parts of the head 
equally long, or the post-ocular shorter than 
the ante-ocular. - 
Ante-ocular part of the head a little longer than 
the post-ocular, which is slightly swelling. 
First joint of the antennae short, hardly reaching 
the tip of the head. First joint of the rostrum 
and ante-ocular part of the head equally long; 
second joint somewhat longer than the first. - 
+++•+ Femora on each side beneath at the extreme 
tip with a little spine or small acute tooth. 
83 
Get hera. 
Macrops. 
Cextbocnemis. 
Platymeris. 
Tetroxia. 
Spiniger. 
Vellejus. 
Opsicoetus. 
Varus. 
Acanthaspis. 
Pasira. 
Leogorrus. 
