60 GATALOGUE OF 
A First joint of the rostrum just longer ‘hen the 
third and fourth together. - - ANYTUS. 
AA First joint of the rostrum shorter than o or hardly 
as long as the third and fourth together. 
> Claws hardly with appendages at the base. - AMPHIBOLUS. 
> Claws distinctly toothed or with appendages at 
the base. 
< Fore femora spiny. - - - - VaTINIUS. 
<< Fore femora unarmed. 
-+- Body somewhat depressed. Eyes sents oun 
the middle of the head. - HaAvinTHUus. 
+-+ Body not depressed. 
© First joint of the rostrum longer than the ante- 
ocular part of the head; second joint twice 
longer than the first. Body elongated. = PIsILus. 
©© Body oblong, rarely elongated. First joint of 
the rostrum not shorter than the ante-ocular 
part of the head. - - - - REpvvius. 
b. First and third joints of the rostrum very 
short; second very long, six times and 
more the length of the first. 
* Body oblong. 
+ Exterior area of the corium reticulated. - PHONOLIBES. 
tt Exterior area of the corium not reticulated. 
t Head longer than the prothorax. Eyes seated 
behind the middle of the head. - - LopHoceEPHALA. 
tt Head shorter than the prothorax. Eyes seated 
in the middle of the head. - - - TEGEA. 
** Body much elongated. 
+ Body winged. - = - - LopopyvEs. 
++ Body wingless. - - - - RuaPIDoOsoma. 
The American Reduviide, with no fore lateral tubercles on the meso- 
stethium are distributed in the following groups by Prof. Stal.— 
A. Prothorax neither gibbous nor lengthened hind- 
ward over the scutellum. 
a. Prothorax with no acute small tubercles. 
* Scutellum dilated at the tip, or foliaceous, or 
narrowly elongated. 
+ Scutellum narrowly lengthened at the tip; this - 
part slightly depressed, not foliaceous. 
Antenne rather short; first joint somewhat 
thickened, tapering towards the tip. First 
joint of the rostrum extending to the middle 
of the eyes. Hind lobe of the prothorax 
about twice broader than the fore lobe. 
Legs moderate; fore femora thickened. - APREPOLESTES, 
++ Scutellum at the tip dilated, foliaceous, reflexed 
or concave. Body rather long. 
+ Membrane extending for more than half its 
length beyond the abdomen. Post-ocular 
