225 



the tibial spurs very small, and tarsal pubescence slight. 

 Type, I. 2208, in the South Australian Museum. 



Acthosus pygm^us, n. sp. 



Elongate-ovate, parallel ; dark-castaneous above ; antennae, 

 legs, and abdomen pale-red, with the apical joint of the first 

 yellow. 



Head densely-punctate, epistomal suture deep and 

 straight, eyes round and prominent, antennas very short and 

 less enlarged apically than usual, joints 7-10 very closely 

 joined, 11 spherical. Prothorax wider than long, about 1'5 

 mm. wide, parallel till near apex, then slightly incurved, 

 the anterior angles narrowly rounded and produced, apex 

 otherwise truncate, base truncate, sides and base narrowly 

 bordered, posterior angles rectangular ; disc finely and closely 

 punctate and with an elongate fovea near lateral border, the 

 discal punctures smaller than in A. minutus, Cart. Elytra 

 of the same width as prothorax, subparallel, minutely striate 

 punctate. Prosternum very coarsely, abdomen very finely 

 punctate, front and middle tibiae finely serrated, the tibial 

 spurs rather long. Dimensions — 3-3*5x1 (vice.) mm. 



Hah. — -Queensland: Cairns. 



Eight specimens sent, differ from A. minutus, Cart., in 

 their larger size, finer punctuation of the prothorax, and es- 

 pecially in the less-widened antennae. Type, I. 2209, in the 

 South Australian Museum. 



Platycilibe bicolor, n. sp. 

 Shortly-ovate ; upper-surface — in some examples nitid- 

 black, in others head and prothorax yellowish-red ; underside — 

 legs and antennae red, abdomen sometimes suffused with 

 black. 



Head concave, strongly punctate, epistoma rounded in 

 front, antennae not reaching base of prothorax, the four 

 apical-joints clavate, eyes round and prominent. Prothorax 

 convex, arcuate-emarginate at apex, anterior angles slightly 

 advanced and acute, sides moderately and evenly rounded, 

 posterior angles subrectangular, base truncate, lateral border 

 raised and channelled within, disc without medial line, rather 

 strongly and evenly punctate. Scutellum small and rounded. 

 Elytra ovate, of same width as prothorax at base, rather 

 widely rounded behind, striate-punctate, the striae very shal- 

 low, the punctures in striae round and even, and not very 

 close; a few scattered punctures in the scutellary region. 

 Underside closely punctate, fore and mid-tibiae minutely ser- 

 rated, the tibiae of male rather widely dilated at apex. 

 Dimensions — 2-2*5 x 1 (vix) mm. 

 i 



