33. 
BORNEAN CICADIDAE. 139 
(6) The central fascia can widen considerably towards 
the cruciform elevation. 
(c) The two centro-lateral fascia can be either slender 
or widen in centre to almost touch central line; they can 
either join or be quite separate from the thickened por- 
tion of the medial fascia. 
(d) The abdominal markings are either light-green and 
black, giving a mottled appearance, or they incline to 
uniform brown. 
Cosmopsaltria ida, n. sp. 
Male. Abdomen slightly longer than length from apex 
of head to cruciform elevation. Rostrum just reaches 
posterior coxae. Head ochreous-olive; pronotum, meso- 
notum and abdomen olivaceous-green. Vertex of head 
with black lateral striations, and one oblique black line on 
each side of head in fold between base of vertex and eye. 
Ocelli yellow, surrounded with black. Two thin lines 
down centre of pronotum, joined at base. On mesonotum 
a thin black longitudinal central line; on each side of 
this, from anterior margin, a short thin inwardly oblique 
black fascia; followed exteriorly by a similar short and 
thin inwardly oblique black fascia in the posterior portion 
of the mesonotum. In front of cruciform elevation two 
small black spots. Head and legs beneath ochreous-olive, 
but apices of tibiee, the anterior and median tarsi, and 
the apices of posterior tarsi are black. Opercula long, 
reaching base of last abdominal segment, concavely nar- 
rowed near base, inwardly rounded towards apex. Ground 
-colour of opercula ochreous, tinged with green at base 
and towards apex; a narrow well-defined black border 
along inner margin widening at apex. Abdomen beneath 
dark olivaceous. _Tegmina and wings hyaline; the former 
slightly suffused with brown in the apical and hind mar- 
ginal regions. Anterior femora and posterior tibie spined 
as in Cosmopsaltria latilinea. 
R. A. Soc., INo. 57, If 10. 
