HEMIPTERA HETEROPTERA, 149 
t Fore lobe of the prothorax with four stout conical 
spines. Chieeks obtuse at the tips. 
§ Fore lobe of the prothorax with four yellowish spines. 
Side angles of the hind lobe with a long spine. 
Spine of the scutellum erect, very long. Antenne 
black. - - - - - - luteoguttatus, 
§§ Fore lobe of the prothorax with four black spines. 
Side angles of the hind lobe with a short spine. 
Spine of the scutellum erect, rather short. First 
and second joints of the antenne, or at least the 
first, yellowish. - - - - ater, opaciventris. 
tt Fore lobe of the prothorax with four small tubercles, 
which are alike it in colour, those in the middle 
sometimes obsulete. Cheeks elongated into a 
spine. Side angles of the hind lobe of the pro- 
thorax attenuated into a short yellowish spine. 
Spine of the scutellum short, stout, erect. - nitidiventris, 
angularis. 
++ Fore lobe of the prothorax with two lobes of variable 
Jength in the disk before the middle, and very 
frequently with a spine or tubercle on each side. 
¢ Ante-ocular part of the head longer than the post- 
ocular part. Cheeks acutely elongated at the 
tips in front. Fure lobe of the prothorax with 
two slender long or rather long spines in the disk, 
Sides behind the middle with a distinct small 
tubercle. Side angles of the hind lobe with a 
long spine. Spine of the scutellum erect, very 
long. Spines of the prothorax yellowish, or at 
least so at the base. Fore femora unarmed. 
Spongy furrow of the fore tibie long, one-third or 
a little less than half as long as the tibia. 
§ Spine of the scutellum at the base, spots of the head, 
of the thorax, of the pectus aud of the under side 
of the abdomen black. - - - - festivus. 
§§ Head, thorax, pectus and under side of the abdomen 
black, unspotted. Spine of the scutellum black, 
pitchy or yellowish pitchy atthe tip. - - flavispinus. 
Cheeks obtuse, rounded on the inner side in front. 
Fore femora beneath unarmed or very minutely 
spinulose. 
Sponyy furrow half as long as the fore tibia. - ochripennis. 
Spongy furrow less than half as long as the fore 
libie. 
o Fore wings various in colour; membrane black or 
brown, or brownish yellow; veins like the wings 
in colour. 
— Head and rostrum brown or black, alike in colour. 
++ Spines of the prothorax and of the seutellum black 
or blackish piceous, alike in colour. Fore wings 
lestaveous or with testaceous stripes. 
« Antenne black; second juint partly yellowish white 
or yellowish testaceous, Discal spines of the fore 
it 
§ 
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