SOME AUSTEALIAN WASPS.— HACKER AND COCKEBELL. 285 



ZOYPHIUM CRASSICORNE Ckll. 



Female. Length 6 mm. ; differs from the male in the colour of the clypeus, 



i:he basal half of which is blackish, with a pale ferruginous band along the apical 



margin ; the apical edge has two small dark-coloured teeth close together on each 



side. 



^aft—Brisbane {Hacker), October and February. 



ZOYPHIUM FLAVOFASCIATUM Turn. 

 Female. This sex differs from the male in its larger size, length 10| mm. 

 exp. 19 mm. The pygidial area is triangular, narrowly rounded at the apex, and 

 clothed with short, stout hairs. It corresponds to the male in colours and markings, 

 also in possessing a single tooth on either side of the apical margin of the clypeus. 



Hab. — Brisbane (Hacker), November. 



ZOYPHIUM EMARGINATUM new species. 



Female. Length 8 mm. Head and thorax finely punctured, the entire face 

 covered with brilhant silver pubescence ending abruptly, with rounded outline, 

 at sides, a little above level of antennae, but in certain lights the front also appears 

 silvery ; ocelH inserted in shght depressions, the posterior pair twice as far from each 

 other as from the eyes ; antennae clavate, the apical joint large, obliquely truncated, 

 the truncation excavated ; sides of prothorax rather depressed, the central part 

 produced with a large triangular emargination in the middle ; the apical edge of 

 the clypeus has two small teeth on each side. Median segment with a short longi- 

 tudinal carina which ends in a somewhat circular shining depression ; basal area 

 with diagonal striae which are strongest at the base ; the posterior truncation is 

 very finely punctured, the sides with silver pruinose pubescence. Dorsal abdominal 

 segments very finely punctate, clothed with fine golden pruinose pubescence, sides 

 of first segment silvery, the ventral segments smooth, shining, with a few scattered 

 punctures, the apical edges thinly ciliate. Pygidial area reddish, triangular, flattened 

 dorsally and broadly rounded apically. Second submarginal cell pointed on the 

 radial nervure, receiving the second recurrent nervure at one-third from the apex ; 

 first recurrent nervure received at about the same distance from the first submarginal 

 cell ; posterior tibiae with fine, short spines on the outer edge. 



Black, mandibles at base, the first to fourth joints of all tarsi very pale 

 flavus ; enlarged apical tarsal joints, tibiae, apex of anterior femora, intermediate 

 and posterior femora except at base, light ferruginous ; undersides of apical 

 antennal joints bright ferruginous ; apical bands of abdominal segments, testaceous ; 

 tegul£e rufous ; pulvilli black ; wings hyaline, slightly dusky, noticeably so at apex ; 

 iridescent, nervures and stigma dark-brown. 



Male. Length 6 mm. Apical edge of clypeus without teeth ; the triangular 

 emargination in the middle of prothorax as in the female ; apex of the last abdominal 

 .segment with two small projections at the sides, narrowly emarginate in the middle. 



Hab. — Brisbane {Hacker), September, October. 



