113 



{sub-bulbous), straight in front, bisinuate behind, with middle 

 lobe very wide, the base of elytra angulately fitting into 

 •excisions on each side of the middle lobe ; widest behind 

 middle, sides widely rounded and strongly crenated, anterior 

 angles deflexed and obtuse, posterior subrectangular ; disc 

 irregularly sparsely and coarsely punctate, the punctures 

 almost entirely limited to the smaller black areas, medial line 

 smooth, neither raised nor depressed. Scutellum subcordate, 

 ■depressed in front, laevigate, sometimes with red spot. Elytra 

 wider than prothorax at base and three and a half times as 

 long, shoulders obtusely angulate, sides sinuately widening 

 behind the middle, thence narrowing to the truncate apex ; 

 deeply striate, intervals widely convex, very sparsely punc- 

 tate, humeral region rugose. Prosternum and , flanks of 

 metasternum vermiculose-rugose ; abdomen with large elongate 

 scattered pits, bearing smaller punctures within, apical seg- 

 ment vermiculose-rugose. Dim., 45-53 x 20-23 mm. 



Hah. — Western Australia: Southern Cross, also Tammin. 

 Type in Macleay Museum. 



A species allied to grandis, Don., but distinguished as 

 follows : — 



S. grandis. S. r/ir/as. 



Head without spots. With two orange spots. 



Prothorax rather flat, widest Very convex, widest be- 

 at base, rugose-punctate, hind middle, sparsely and 

 margins widely orange. coarsely punctate, red 



colour prevalent over 

 whole surface. 

 Elytra not wider than pro- Sparsely punctate (except 



thorax at base, coarsely at shoulders), apex with 



and densely punctate, subobsolete exterior tooth, 



apex with strong external orange margin extending 



tooth, orange margin ex- over two intervals on basal 



tending over three inter- half, 



vals on basal half. 

 Underside aeneous - black, Black, slightly pubescent, 

 densely pubescent. 



Four specimens examined, two of which (the sexes) are 

 in the collection of Mr. W. Duboulay, taken by his father, 

 Mr. F. H. Duboulay, at Tammin. Mr. Duboulay has also 

 sent one to Mr. C. French. 



STIGMODERA BARBIVEXTRIS, U. Sp. 



PI. ix., fig. 7. 

 d ■ Elongate-navicular. Head, prothorax, underside, 

 legs, and antennae dark nitid green-bronze, prothorax nar- 

 rowly bordered orange : elytra tawny-yellow on disc with wide 



