AUSTRALIAN "FOSSORIAL WASPS. 51 



species. Smith described the female only from a specimen 

 collected on the west coast of Australia. 



LOPHOCHEILUS RUBROCAUDATUS, Sp. n. (PI. I. figs. 7, 8.) 



J . Niger, fulvopilosus ; mandibulis, chypeo margine apicali, 

 maculaque parva utrinque inter antennas flavis ; segmentis 

 abdominalibus sexto septimoque, femoribus intermediis apice, 

 posticis dimidio apicali, tibiis tarsisque rufo-ferrugineis ; alis 

 byalinis, venis fuscis, stigmate ferrngineo. 



5 . Nigra ; segmentis quinto sextoque rufo-ferrugineis ; man- 

 dibulis, antennis, tibiis tarsisque fei'rugineis ; segmento dorsal i 

 secundo transverse septem-carinato. 



Long., d 14-16 mm. ; $ 10-12 mm. 



d . Clypeus closely punctured, witb a distinct longitudinal 

 carina, rather narrowly truncate at the apex ; interantennal 

 carina almost transverse, not very strongly developed. Head, 

 thorax, and median segment finely and closely punctured ; the 

 pubescence on the head and dorsal surface of the thorax fulvous, 

 on the pleura? and median segment whitish. Abdomen shining 

 and more sparsely punctured, feebly fusiform, the segments con- 

 stricted at the base, seventh dorsal segment with strong curved 

 stria?. Hypopygium elongate triangular, produced into an apical 

 spine, the basal angles produced, forming rounded teeth. Second 

 abscissa of the radius a little longer than the third ; first and 

 second recurrent nervures received at an almost equal distance 

 from the second transverse cubital nervure. 



5 . Clypeus without a carina, transverse at the apex. Head 

 nearly twice as broad as long, very strongly rounded at the pos- 

 terior angles, shining, with a few scattered punctures and a short 

 shallow frontal sulcus. Pronotum much narrower than the head, 

 nearly twice as broad as long, very finely and closely punctured, 

 with a row of large setigerous punctures along the anterior margin. 

 Median segment sparsely punctured, the dorsal surface as long as 

 the scutellum. First dorsal segment coarsely but sparsely punc- 

 tured, with a deep transverse groove before the raised apical 

 margin ; second dorsal segment with seven transverse carina?, 

 the two apical carina? higher than the rest and with a broader 

 and deeper groove between them ; third and fourth dorsal seg- 

 ments microscopically punctured, with larger punctures inter- 

 mingled ; fifth dorsal segment smooth at the base, punctured at 

 the apex. Fifth ventral segment longitudinally rugose-striate. 

 Sixth dorsal segment oblique, the sides parallel, rounded at the 

 apex, nearly three times as long as broad, longitudinally striated, 

 smooth at the apex. 



Hab. Yallingup, S.W. Australia ; September to November. 

 <$ $ in cop. 



The fore coxa? of the male are slightly concave. 



This may be distinguished from L. mamillatus Turn., which 

 occurs in the same district, and is very similar in size and colour 



4* 



