488 Mr. W. L. Distant on 



as long as pronotum, including eyes about as wide as base 

 of mesonotum ; face prominent, lateral transverse striations 

 distinct, not centrally longitudinally or very obsoletely sulcate; 

 anterior femora strongly spined beneath ; tegmina long and 

 slender, more than three times longer than broad; opercula 

 small and transverse, centrally meeting. 



Long., excl. tegm., $ 14 mm.; exp. tegrn. 45 rqm. 



Hab. N.W. Australia; Cue [H. IV. Brown, type Brit. 

 Mus.). 



Diemeniana richest, sp. n. 



Body above black, palely pilose ; lateral margins of vertex, 

 sulcation between the ocelli, two discal, longitudinal, angulated 

 spots to mesonotum, basal area of cruciform elevation, and 

 posterior segmental margins olivaceous brown ; body be- 

 neath and legs dull dark ochraceous ; face (excluding 

 margins), head between face and eyes, longitudinal streaks 

 to coxse and femora, apex of rostrum, annulations to tibiae, 

 basal margins of opercula, base of abdomen, and a central, 

 longitudinal, macular fascia to same black ; tegmina pale, 

 shining, bronzy brown with scattered small testaceous 

 mottlings, venation more or less brownish ochraceous, 

 costal membrane dark testaceous, a black spot with testa- 

 ceous margins in the fourth ulnar area, and a large black 

 spot crossing bases of first, second, and third apical areas; 

 wings hyaline with testaceous and ochraceous mottlings; 

 bead (including eyes) a little narrower than base of meso- 

 notum, strongly sulcated between the ocelli ; pronotum 

 centrally longitudinally sulcated ; tympana entirely exposed ; 

 opercula in male transverse, neaily reaching base of first 

 abdominal segment, posterior margins rounded; rostrum 

 reaching the intermediate coxa3 ; tegmina almost half as 

 broad as long, basal cell about twice as long as broad. 



Long., excl. tegm., <$ 18 mm. ; exp. tegm. 41 mm. 



Hab. Australia, Southern N.S.W., Coomu {Dr. Riches, 

 type Brit. Mus.). 



The only other at present known species of this genus is 

 from Tasmania. 



PARAGUDANGA, gen. nov. 



Head (including eyes) about as wide as base of meso- 

 notum, the front broad, depressed, broader than long, almost 

 continuous with lateral margins of vertex, about as long as 

 vertex, pronotum about as long as head, its lateral margins 

 nearly straight but rounded anteriorly, its posterior angles 

 moderately ampliatcd, mesonotum (including cruciform 

 elevation) as long as head and pronotum together ; abdo- 



