BY EUSTACE W. FERGUSON. 563 



PsALiDURA CAUDATA Macleay, loc. ciL, p. 2 10. 



(J. Densely clothed with scales varying from grey to yellow 

 and brown, granules shining, conspicuous; setae yellow. Pro- 

 thorax(6-5 x 7 mm.) rounded, apical lobe moderately produced, 

 •collar-constriction marked; finely granulate, granules discrete, 

 closer and finer in the centre. Elytra(15 x 10 mm.) widest towards 

 apex, humeral angles prominent, striae shallow, an irregular row 

 of granules running along the bottom of each stria; interstices 

 finely and irregularly granulate, the granules being in single 

 series on the fourth and sixth, and in double series on the first, 

 second, third, fifth, and seventh interstices. Ventral apical seg- 

 ment deeply and broadly excavate; preanal fossa deep, rounded; 

 fascicles small, situated on the margin of the excavation, close 

 together. Forceps extremely long, very feebly curved; lamina? 

 extremely short, and situated at extreme base; interforficular pro- 

 cess strongly hirsute; penis pointed. Dimensions : (J, 22 x 10; 

 9, 22 X 9 mm. 



Uab. — Queensland. Type in Macleay Museum. 



A common South Queensland insect, very closely allied to P. 

 grandis; the points of difference have been pointed out in refer- 

 ence to that species, but, apart from mere size, it is almost 

 impossible to separate the two species on external appearances; 

 there is also some considerable variation in size in both species, 

 and without dissection of the penis, which may be readily done, 

 I cannot succinctly point out the differences. 



Specimens received from Mr. R. Illidge measure, (J, 25 x 10 mm. 



PSALIDURA GRANDIS, n.Sp. 



(J. Elliptical-ovate, convex, size large. Prothorax finely 

 granulate; elytra striate, interstices irregularly granulate; 

 fascicles close; forceps very long, laminae small. Black, opaque; 

 densely clothed with fine pubescence varying in colour from 

 white to yellow and brown; setse yellowish-brown, fascicles and 

 anal hair reddish. 



Head broad, strongly convex, slightly overlapped by prothorax. 

 Rostrum short, wide, ridges somewhat flattened, basal grooves 



