270 NEW SPECIES OF AUSTRALIAN COLEOPTERA, 



longer than those following combined. Length 3|, width i mm. 



II ah. — Tamworth. 



This species comes closest to the preceding, from which it may- 

 be distinguished by its larger size, broader prothorax— with more 

 deeply constricted base — thicker antennae, shorter and paler pubes- 

 cence, feebler elytral jDunctuation, and more distinct scutellum. 



A N T H I C I D ^. 

 FORMICOMUS ELEGANS, n.Sp. 



Narrow, elongate, dej^ressed, subopaque above, shining on 

 undersurface. Brow^n; undersurface, coxae, base of femora, four 

 anterior tibite and tarsi, and antennte pale; elj^tra with two 

 transverse white fasciae — -the first near the base and parallel, 

 except for a triangular encroachment at the suture behind, the 

 posterior close to apex, straight in front, narrowing to suture from 

 behind. Covered all over with very short, rather pale pubescence, 

 with a few short erect hairs on elytra. Covered all over with 

 extremely minute punctures, densest on head. 



Head longer than wide, scarcely obovate; eyes small, prominent, 

 placed slightly before the exact middle; antennae slender, reaching 

 anterior fascia, inserted considerably in front of eyes, 1st joint 

 not as long as 2nd-3rd combined, 2nd not much shorter than 3rd, 

 4th-10th slightly decreasing in length and as gradually thickening, 

 11th not one and a half times as long as 10th. Prothorax not 

 twice as long and scarcely as deep as wide; strongly rounded in 

 front, constricted near the base, base narrowly margined: an 

 almost obliterated tubercle on each side. Elytra scarcely longer 

 than head and prothorax combined, slightly widest at the middle, 

 base rounded as apex; without impressions. Legs — especially 

 the posterior — -very long and thin, femora scarcely thickened, 

 tibiae straight, longer than tarsi; 1st joint of posterior tarsi 

 scarcely as long as the following combined, 2nd as long as 4th 

 (including claws), 1st joint of intermediate as long as 2nd-3rd 

 combined, of the anterior shorter. Length 3, width | mm. 



Hab. — North- West Australia (Macleay Museum). 



