CHALCIDIDiE AND TENTHREDINIDiB. 
35 
CHALCIDIDIE. 
CHALCIDINiE. 
4. Trichoxenia cineraria, Walk. (PI. I. figs. 4, 5.) 
Long. corp. 11 millim., exp. al. 18 millim. 
Male. Black ; antennae very thick, with the second and third 
joints very short; scape red at the tip above; face clothed with 
silvery pubescence, shading into golden yellow above ; thorax 
black, variolose ; tegulae black, a bright golden spot on each 
side at the base of the scutellum, and the sides of the metathorax 
fringed with golden hairs above ; abdomen with the first segment 
black, variolose, its sides and extremity above, and the sides and 
upper surface of the remaining segments thickly clothed with 
bright golden hairs ; abdomen black beneath ; femora black, 
clothed with silvery hairs; tibiae and tarsi with a reddish shade, 
and hind tibiae clothed with yellow hairs ; spines of the hind 
tarsi golden beneath ; wings and general structure as in the 
female. 
Hah. Australia ( Du Boulay). 
This beautiful insect, which strongly contrasts with the black 
female, has a striking general resemblance to some species of 
Mutilla ; but it is worthy of note, first, that this resemblance 
is confined to the male, and, secondly, that the Mutillee which it 
most resembles are not Australian species. 
I am indebted to Signor P. Magretti for permitting me to de- 
scribe the three following species, taken by him in the Soudan. 
All the other species in this paper are in the collection of the 
British Museum. 
5. Stomatoceras Magretxii. (PI. I. fig. 7.) 
Long. corp. 9 millim. 
Female. Black, variolose, with silvery hairs and down; antennae 
— scape red, black at the tip ; four following joints red, with short 
white pubescence, the rest black ; third joint with a very distinct 
patch of white pubescence on the outside : tegulae, stylus, and 
sides of first segment and under surface of abdomen shading into 
dull red ; hind coxae and last segment of abdomen before the stylus 
clothed with silvery hairs ; legs black, shading into reddish, espe- 
cially on the inner surface ; middle femora somewhat thickened, all 
the tibiae with a strong projecting spine beneath, and middle tibiae 
armed with strong, stout, short bristles or spines, which are much 
3* 
