1908. 



AUSTRALIAN FOSSORTAL WASPS. 



495 



than the mesonotuni. The median segment rounded at the apex, 

 with a deep median sulcus ; the sides of the segment and the meso- 

 pleurse clothed with silvery pubescence. Abdomen minutely 

 punctured, the apical margins of the segments rather broadly 

 depressed and smooth ; the hypopygium subtruncate, with a 

 minute apical spine. 



Text-fis-. 108. 



1. Antenna. 



ZoyphiiDii rufonigrmn, $ . 

 2. Maxilla and palpns. 3. Labial palpus. 



4. Mandible. 



Black ; the mandibles, clypeus, pro- and mesothorax, and 

 median segment ferruginous red ; the tibise, tarsi, scape of the 

 antennae, the lirst and part of the apical joint of the ilagellum 

 testaceous yellow. Wings hyaline, iridescent, nervures fuscous. 



Length 4 mm. 



Hah. Port Darwin (7W?ier) ; December. 



Described from two specimens. 



ZOYPHIUM KOHLII, Sp. n. 



5 , Mandibles acute at the apex, deeply notched on the outer 

 margin at one-third from the base, with two small teeth narrowly 

 divided frora each other on the inner margin also at one-third 

 from the base. Clypeus short and broad, opaque and smooth, the 

 anterior margin transversely depressed, with a tooth on each side 

 opposite the two small teeth on the mandibles. Antennae nearly 

 half as far again from each other at the base as from the eyes, 

 gradually thickened to the apex ; the first joint of the ilagellum 

 globular, shorter and stouter than the second, the second a little 

 longer than the third, the apical joint large and longer than any 

 two of the others combined. Eyes moderately convergent towards 

 the vertex, where they are separated by a distance equal to about 

 half the length of the flagellum ; the posterior ocelli nearly twice 

 as far from each other as from the eyes. Head and thorax 

 opaque, almost smooth, the front covered with very short golden 

 pubescence. Pronotum much narrower than the head, depressed 

 slightly below the level of tbe mesonotum and strongly depressed 

 anteriorly. Median segment shorter than the mesonotum, 



Proc. Zool. Soc— 1908, No. XXXII. 32 



