BY R. E. TURNER. 611 



tubercles moderately developed. Thorax rather closely punc- 

 tured; the pronotum broader than long, deeply excavated on the 

 sides anteriorly; median segment a little shorter than the pro- 

 notum. Abdomen broader than the thorax; the basal segment 

 punctured rugose, second segment with a basal transverse carina, 

 the basal half transversely rugulose, the apical half and the 

 remaining segments closely and rather finely punctured. Pygi- 

 dium simple, not truncate or compressed, clothed with fulvous 

 hairs on the sides and in the middle. Fifth ventral segment 

 with a small tubercle on each side near the apical angles. 



Hub. — Brisbane (Hacker), October. In the Australian and 

 Queensland Museums. 



Tachynomyia aurifrons Sm. 



Aehirus aurifrons Sm., Cat. Hym. B.M. vii. p. 55, 1859,^. 



£. Nigra, crasse punctata, cinereo-pilosa; antennis pedibusque 

 fusco-ferrugineis. Long. 18 mm. 



9. Head fully half as broad again as long, moderately convex 

 and strongly rounded at the posterior angles; the front very 

 coarsely punctured, the punctures more or less confluent longi- 

 tudinally, the vertex smooth and shining. Thorax shining, 

 sparsely but strongly punctured; the pronotum nearly twice as 

 broad anteriorly as long, narrowed posteriorly; median segment 

 about as long as the pronotum, rather more sparsely punctured 

 and strongly broadened posteriorly. First and second dorsal 

 segments of the abdomen closely punctured, the punctures con- 

 fluent longitudinally and forming shallow, irregular striae. Seg- 

 ments 3-5 shining, sparsely and shallowly punctured, sixth dorsal 

 segment finely longitudinally striated; ventral segments shining, 

 minutely punctured. 



Hab.— Albany, W. A. (Masters), <JQ in cop. 



The female has not been previously described. 



Phymatothynnus pygidialis, sp.n. 



£. Niger, cinereo-pilosus, punctatus; abdomine nitido; clypeo 

 late emarginato; hypopygio apice obtuse rotundato, haud dentato; 

 alis hyalinis, leviter infuscatis, venis fuscis. Long. 13 mm. 



