HYMENOPTERA. 41 



straight behind, from which it is continued on each side obliquely 

 tv) the post-scutellum, which is densely covered with hoary pu- 

 bescence, as well as the whole thorax on the sides and beneath ; 

 the legs beneath fringed with hoary pubescence, tinged with 

 yellow in certain lights, on the tibiae above it is fuscous ; wings 

 subhyaline, their apex clouded, the nervures dark fusco-ferru- 

 ginous. Abdomen ovate, red, closely and very finely punctured, 

 the fourth and following segments black. 

 Hab. Western Austraha. 



fi. Parasphecodes Tuchilas, n. s. B.M. 



Female. Length 4 lines. — Head and thorax black, clypeus 

 shining and strongly punctured ; the disk of the thorax strongly 

 and very closely punctured, the base of the metathorax enclosed 

 by a shai-p ciu-ved elevated ridge, the enclosure longitudinally 

 rugose ; sides of the metathorax and the whole of the thorax 

 beneath thinly covered with hoarj' pubescence; on the tibiae 

 above fuscous, in certain lights having a silvery brilliancy. Ab- 

 domen elongate-ovate, red, finely and not very closely punctured, 

 the extreme base black, as well as the fourth and following seg- 

 ments, beneath coarsely punctured. 

 Hab. New Holland. 



7. Parasphecodes Tilachus, n. s. B.M. 



Female. Length 4^ lines. — Head and thorax black, the cly- 

 peus produced, and having a number of large deep somewhat 

 elongate punctures ; the face has a httle scattered yellow pubes- 

 cence, the flagellum obscurely testaceous towards the apexj 

 thorax coarsely punctured ; base of the metathorax enclosed by 

 a smooth ridge, the enclosure concave and roughly striated, the 

 irregular striation slightly radiating ; wings subhyaUne, fusco- 

 ferruginous, nervures ferruginous ; the legs, and thorax on its 

 sides and beneath have a pale fulvous pubescence. Abdomen red, 

 the base rather strongly jjunctured, the fourth and following seg- 

 ments black. 

 Hab. Van Diemen's Land. 



8. Parasphecodes Lithusca, n. s. 



Female. Length 3^-4 lines. — Head and thorax black, the 

 clypeus not produced, shining, and having large scattered punc- 

 tm-es, the head very closely punctured, the flagellum nigro-piceous 

 beneath. Thorax, the disk shining, finely and cUstantly punc- 

 tm-ed, the base of the metathorax not enclosed, but finely rough- 

 ened and opake ; wings ferrugineo-hyahne, iridescent and 

 clouded at their apex ; legs rufo-testaceous, the tibiae and tarsi 



