New Genera and Species of Rhynchota. 107 
HEMIPTERA-HOMOPTERA. 
CICADIDA. 
Platypleura gigas, n.s. (PI. IIL, figs. 4, 4a.) 
$. Closely allied in colour and markings to P. mada- 
gascariensis, Dist. Differs by its much larger size, much 
broader and more ovate body; tegmina more arched at 
base, with the membrana cost very greatly dilated, and 
without the central dark spot possessed by the other 
species. Drum flaps large, unicolorous, overlapping at 
centre, and covering the first and lateral portions of 
second abdominal segment. Long.34mm. Exp. tegm. 
122 mm. 
Drum flaps not covering first ab- 
dominal segment . . P. madagascariensis. 
Drum flaps covering first and 
lateral portions of second ab- 
dominal segment ’ «, 2. gigas. 
FULGORIDA. 
FLATINA. 
Flatodes dealbatus, n.s. (Pl. IIL., figs. 5, 5a.) 
@. Pale ochraceous; tegmina above concolorous, 
with a large central cretaceous spot, narrowly, obscurely 
and irregularly margined and spotted with fuscous ; 
membrana coste with a pale greenish white levigate 
spot at the base of inner margin; posterior discal 
portion, excluding outer margin fuscous, with irregular 
cretaceous markings. Tegmina beneath suffused with 
cretaceous. Wings obscure hyaline, with the nervules 
darker. Underside of body and legs concolorous. Head 
long, apex suberect with the angles rounded ; above con- 
cave, with a distinct spine midway on each lateral 
margin, tegmina twice as long as broad; rostrum passing 
posterior cox; posterior tibiz with two distinct spines 
of which the apices are fuscous. Long. body, including 
anal append., 17 mm. Long. tegmina (unexpanded), 
20mm. Lat. tegmina (together), 20 mm. 
This species, both in size and markings, is quite 
distinct from any other with which I am acquainted 
either by personal examination or description, and is the 
largest of the genus yet described from Madagascar. 
