292 Mr. F. Smith on 



23. Pison tibialis, n. sp. 



Male. Length 4 lines. Blacky punctured, abdomen 

 with golden fascige, the tibiae ferruginous. 



Head and thorax very closely and strongly punctured, 

 semi-opaque; the face covered with griseous pubes- 

 cence ; the anterior margin of the clypeus produced into 

 a central acute tooth. The metathorax truncate, short 

 and punctate, with a slight channel above, which has a 

 longitudinal carina ; the wings subhyaline, the tegulse 

 piceous ; the tarsi, tibias, and apex of the posterior 

 femora ferruginous. Abdomen closely and finely punc- 

 tured, the apical margins of the segments of a testaceous 

 yellow, and covered with a pale golden pubescence. 



Hah. — West Australia. 



In the British Museum. 



24. Pison hasalis, n. sp. 



Female. Length 5 lines. Black; the face with 

 golden pubescence, the tibiae, tarsi, and two basal seg- 

 ments of the abdomen ferruginous. 



Head opaque ; the clypeus and sides of the face as high 

 as the sinus of the eyes, with pale golden pubescence, that 

 on the cheeks silvery ; the tips of the mandibles and the 

 four basal joints of the antennae ferruginous. Thorax: 

 the collar with golden pubescence, that on the sides of 

 the thorax silvery, but only perceptible in certain lights, 

 except at the sides of the metathorax, where it is dense ; 

 the metathorax channelled, obliquely striate above, and 

 coarsely transversely so behind; the tegulge and legs 

 ferruginous, the intermediate and the posterior coxae 

 and trochanters, the intermediate femora above, and 

 the posterior pair, excepting at their apex, black; the 

 wings subhyaline, with their apical margins clouded. Ab- 

 domen : the two basal segments ferruginous, with the basal 

 half of the first black ; the margins of the segments rufo- 

 testaceous, and covered with bright silvery pile. 



Hah. — Australia. 



In F. Smithes collection. 



This species is most closely allied to Pison auratus. 



25. Pison simillimus, n. sp. 

 Male. Length 4| lines. Black, very finely and closely 



