a 
118 Mr. E. Saunders’ Synopsis of 
GEODROMICA. 
I. Scutellum attaining at least to the base of the mem- 
brane. 
A. Scutellum very nearly, or quite, covering the 
membrane... we “a ce -. Tetyre. 
AA. Scutellum not nearly covering the membrane. 
a. Tibi spiny nO Sc ary .. Cydnide. 
b. Tibiz not spiny .. <e oe .. Arthropteride. 
II. Scutellum not attaining to the base of the membrane, 
A. Elytra composed of corium, clayus and mem- 
brane. 
B. Joints of the tarsi three on all the legs. 
C. Rostrum four-jointed. 
D. Antenne filiform at the apex .. ve -- Nabide. 
DD. Antenne more or less thickened at the apex. 
E. Ocelli wanting .. oe vs ae .. Pyrrhocorida. 
EE. Ocelli present. 
F. Antenne above the line of the eyes. 
a, Species very elongate, with very long 
delicate legs sl le : -- Berytide. 
b. Species without very long senate legs .. Coreide. 
FF. Antenne below the line of the eyes. «. -- Lygeide. 
CC. Rostrum three-jointed. 
D. Ocelli present. 
E. Membrane in one piece with the rest of the 
elytra .. ae ae es os -- Ceratocombide, 
EE. Membrane distinct. 
a. Rostrum long, antenne more or less thick- 
ened at the apex ne Ac -. Saldide. 
b. Rostrum short, antennz filiform at the 
apex a an oe e. .. Reduvide. 
DD. Ocelli wanting. .. ot oe + Acanthide. 
BB. Joints of the tarsi two on sie front legs. 
a. Second joint of antennz much longer than 
the other three put together .. -. Tingidide. 
b. Second joint of antennz of normal length Aradide. 
AA, Elytra composed of corium, dems cuneus and 
membrane .. oe ve -» Phytocoride. 
AAA. Elytra composed of corium, saree, embolium, 
cuneus and membrane. 
B. Rostrum three-jointed .. AG ac -- Anthocoride. 
BB. Rostrum four-jointed .. oe ee «- Microphyside. 
TETYRA; 
I. Entire insect hairy .. se se oe -- Odontoscelis. 
IL. Insect not hairy. 
A. Legs with long spines.. ee es -» Corimelena. 
AA. Legs without spines, or with very short ones, 
a. Front angles of thorax without processes Lurygaster, 
b. Front angles of thorax with processes .. Podops. 
