HEMIPTERA HETEROPTERA, 85 
tt Ocelliferous part of the head not or scarcely ele- 
vated. Middle cox rather remote. Anterior 
femora unarmed. —- Tuy MBREUs. 
t+ Head tumid behind the eyes, abruptly straightened 
hindward. 
t Third joint of the hind tarsi as long as the first 
and second joints together. Ocelliferous part 
of the head slightly elevated. - Pirates. 
tt Third joint of the hind tarsi longer than the first 
and second joints together. Ocelliferous part 
of the head not elevated. = - - = Fustus. 
** Neck of the head with a more or less elevated 
tubercle on each side. 
} Fore femora beneath compressed, widened. - PHALANTUS. 
++ Fore femora convex beneath, not widened. 
t Apical spongy part of the fore tibie lengthened 
into a plate, which is a little longer than half 
the length of the fore tarsi. - - TyDIDEs. 
tt Apical spongy and lengthened part of the fore 
tibie shorter by more than half than the fore 
tarsi. 
§ Ante-ocular and post-ocular parts of the head 
equally long. Body narrow. - - Puorvs. 
§§ Ante-ocular part of the bead longer than the post- 
ocular part. 
X Body oblong-ovate. Prothorax granulated; hind 
angles prominent, not rounded at the tips. 
XX Body elongate or very oblong. Prothorax not 
granulated; hind angles rounded at the tips. CATAMIARUS. 
Spongy furrow more than half the length of the 
ubia, sometimes almost as long as the latter. 
-+ Scutellum subequilateral or shorter than broad, 
not with an apical spine. - - Ecromocoris. 
+--+ Scutellum longer than broad, elongated at the tip, 
sometimes rather reflexed. Prothorax very 
distinctly straightened somewhat behind the 
middle, in short-winged females long behind 
the middle. 
Scutellum forming at the tip a long, slender, sub- 
filiform, obtuse, slightly reflexed spine. Third 
joint of the bind tarsi distinctly shorter than the 
second or than the first and second together. - CALLIspHoDRUS. 
++++ Scutelluin somewhat elongated at the tip. Third 
joint of the hind tarsi as long as the first and 
second together. - - - ~ MacrosanDALus. 
oo Spongy furrow hardly balf the length of the fore 
tibia, a litde more than one-third of the length 
of the middle tibie. 
X Fore lobe of the prothorax compressed on the hind 
° 
+ 
+ 
border. - = - CLeprocoris. SpHopROcORIS. 
XX Fore lobe of the prothorax not compressed on the 
hind horder. ~ - - - SPILODERMUS. 
b. Fore biz broad, flat above. - - . ANDROCLUS, 
