57G REVISION OF THE AMYCTEKID^, 



which is (with the exception of P.falciformis) confined to the 

 south-eastern corner of Australia, and may have come from the 

 eastern portion of South Australia. 



PSALIDURA SlOANEI, n.sp. 



(J. Elongate-oval, convex, Prothorax finely granulate, elytra 

 striate, interstices granulate; fascicles moderately close; forceps 

 short, thin, laminae broad and overlapping. Black, opaque, 

 densely clothed with scales varying in colour from light grey to 

 yellow and brown; sides of metasternum and ventral segments 

 lightly clothed with yellow pubescence; setae yellowish-brown; 

 fascicles and hair reddish. 



Head strongly convex, densely clothed. Rostrum short, 

 internal ridges more prominent at base than external; basal 

 impressions and median notch strongly marked, behind marginal 

 plate is a deep pit with a groove running along middle from basal 

 notch to pit. Mentum sparingly bearded, and with a median 

 dentiform projection anteriorly. Mandibles simple, clothed with 

 yellow and brown setae. Prothorax(7 x 8 mm.) evenly rounded 

 on sides, widest about middle, median lobe feebly produced, 

 collar-constriction well marked; disc slightly flattened, median 

 line obsolete; granules fine, discrete, rounded, each with a large 

 setigerous puncture on posterior or lateral aspect. Elytra 

 elongate-ovate(16 X 10 mm.), , very little wider than prothorax, 

 evenly rounded from base to apex, base widely emarginate, 

 shoulders prominent, tuberculiform; apex mucronate; striate, 

 stride somewhat wavy, transversely and feebly rugate; interstices 

 prominent, convex, granulate, granules rounded, setige.ro-punctate, 

 sutural interstice granulate in double series in basal half only, 

 third, fifth, and seventh in double series; second, fourth, and sixth 

 in single series, becoming double in places; sides longitudinally 

 striate, interstices granulate. Metasternum concave, deeply 

 grooved in middle, raised antero-laterally not quite to level of 

 middle coxae. Fifth ventral segment deeply excavate, excavation 

 reaching anterior margin only in middle line, preanal fossa deeply 

 sunken, hidden, with a median groove running from fossa to base 



