HYMENOPTERA. 5.9 



probable the discovery of the male will prove that it belongs to 

 the genus jffilurus : this observation may serve to direct atten- 

 tion to this probability. 



Genus 4. ANTHOBOSCA. 



Anthobosca, Guer. Voy. Coq. Zool. ii. 237 (1830). 

 Thynnus, pt. 5 Klug, Berl. Abhandl. 29 (1840-42). 



1. Anthobosca Australasia. 



Anthobosca Australasiae, Guer. Voy. Coq. Zool. ii. 237, Atlas, 

 Ins. pi. 8. fig. 10 ; Mag. Zool. (1842) Mon. Thynn. p. 13. pi. 104 

 (var.). 



Thynnus Australasiae, Klug, Berl. Abhandl. (1842) 24. 20 <? . 



Hab. Australia (Port Jackson). 



2. Anthobosca nigra. 



Male. Length 5£ lines. — Black ; slightly shining : head and 

 thorax strongly punctured, the abdomen very delicately so ; 

 covered with a short downy cinereous pubescence, most sparing 

 and shortest on the abdomen. Antennae short and stout, not so 

 long as the abdomen ; the clypeus truncated anteriorly ; wings 

 very slightly coloured, the nervures black ; the anterior tibiae 

 fulvous within, the calcaria pale testaceous ; the abdomen slightly- 

 depressed above, the terminal segment with its upper and also its 

 ventral plate rounded at the apex. 



Hab. Australia (Port Philip). 



3. Anthobosca varipes. B.M. 



Male. Length 4^-6 lines. — Black : the femora, tibiae, and 

 basal joints of the tarsi ferruginous, sometimes only the anterior 

 tibiae red within, sometimes entirely black; the calcaria and 

 spines on the tarsi white, covered with a fine white, short, silky 

 down ; the head, thorax on the sides and beneath with longer 

 cinereous pubescence ; the antennae stout, and shorter than the 

 head and thorax, both the latter closely punctured ; the wings 

 hyaline, the nervures black. Abdomen delicately reticulated. 



Hab. S. Australia (Lower Plenty). 



4. Anthobosca Crabroniformis. B.M. 



Male. Length 5 £ lines. — Black : head and thorax very closely 

 and finely punctured ; the clypeus, mandibles, and inner orbits of 

 the eyes yellow. Thorax : a large transverse bilobed macula 

 on the prothorax, a spot on its side at the base of the anterior 



