of new species of Tenthredinidce, §-c. 399 



Australian insect. Stilbum amethystina is also described 

 m Ills first work, and is readily distinguished as belonmng 

 to the genus Stilbum, as he describes the scuteUura as 

 prominulo, concavo;" the habitat given is Australia, 

 the type being in « Mus. Dom. Banks." The Banksiau 

 Collection is now m the British Museum ; I have com- 

 pared the type with other examples from Australia, and 

 also with Asiatic ones, and cannot detect any specific 

 differences. 



Genus Chrysis, Linn. 

 1. Chrysis Daphne. 



Female. — Length 3^ lines. Head and thorax green, 

 abdomen purple, with shades of gold and coppery bril- 

 liancy. Head and thorax, as well as the extreme base of 

 the abdomen, very coarsely punctured, the second segment 

 of the abdomen much more finely and closely punctm-ed, 

 and the third more finely punctured than the second, the 

 apical segment armed with four angular acute teeth ; the 

 lateral angles of the apical margin acute, not toothed. A 

 dark blue spot encloses the ocelli ; the antennae black ; the 

 head posteriorly dark blue. Thorax : the prothorax with 

 three dark blue spots, and the central division of the me- 

 sothorax also obscurely blue ; wings hyaline, the nervures 

 testaceous ; the legs green, the tarsi fuscous. Abdomen : 

 the apical margin of the first segment golden-green, the 

 lateral margins bright green, with a coppery brilliancy in 

 certain lights ; the apical margins of the second and tlikd 

 segments have a similar green and coppery brilliancy; 

 beneath of a steel-blue, with the base of the segments 

 black. 



Hah. — Hiogo. 



The following four species of Chalcididce are described 

 by Mr. Francis Walker, whose works on that family of 

 insects are so weU known to Entomologists ; he also kindly 

 described the new species of Epyris belonging to the 

 family Proctotrupidce. 



Fam. CHALCIDID^. 



Genus Chalcis, Fabr. 



1. Chalcis ohscurata. 



Male.— Length 2| lines. Nigra, abdomen apicem versus 

 cinereo-tomentosura ; femora, apicis tibije tarsisque flava ; 



