i48 
GRYLLACRIS LUTESCENS, spec. nov. 
Size large. Pale dirty yellow. Eyes, fore and hindmargins 
of pronotum, bases of abdominal segments, banded black or 
blackish. Head oval, wider than the pronotum, face slightly 
rugose with irregular impressed dots, ridges not conspicuous. 
Labrum almost circular, the middle of base suborbicularly 
raised with a medial depressed line continued over the clypeus, 
which is transverse, posterior margin curved. Frontal fastigium 
short, inferior limit undefined. Ocelliform spot oblong, acute 
above, wory white. Space between the antenne mostly blackish, 
and enclosing the three pale spots. Fastigium of vertex short, 
about one and a-half times the width of first antennal joint, with 
conspicuous lateral keels, unmarked. Antenne very slender, 
pale, about four times the length of body. Eyes black. Pro- 
notum with fore margin straight, more or less marked with black, 
hindmargin rounded, produced, bordered broadly with black; 
lobes slightly higher in front, margins straight, angles rounded. 
Elytra and wings testaceous, pellucid. Transverse veinlets of 
the latter pale, very slightly bordered dusky. Hind femora 
below with four spinelets on each margin usually. Hind tibie 
above with five to six external and four internal spinelets. 
Abdomen of male with ninth segment cucullate (Brunner’s 
type D”), internal margin not dentate, but centrally with two 
long spines. Subgenital lamina of male deeply trilobate, each 
lobe again emarginate. Ovipositor sword-shaped, slender, apex 
conical. Subgenital lamina of female oboval, keels widely 
separating, extending to the apex. One male, four females. 
Male Female 
Length of body ving, (OO MOI 28-37 mm. 
Length of pronotum... 5 “ 5-55 
Geneth ot, elytra... .,... 4%. * 36-40 * 
Length of hind femora 15 “ Lo —lie 
Length of ovopositor... — ‘“ 33-40 * 
Habitat.—Innamincka, Central Australia, &e. (Coll. S.A, 
Museum). 
GRYLLACRIS DIMIDIATA, br, (Mon. 87). 
“Size large. Colour brownish testaceous. Face black. 
Femora all black below. Knees testaceous, also all the tibie. 
Female. 
Length of body ae Dae ... oO Mi 
Length of pronotum .... 2 22) 7S 
Length of elytra a = eS 
Length of hind femora ... e ) 2 
Length of ovipositor ... bat 3) ee 
Habitat.—New Britain.” 
