42 
Psyche 
[March- June 
pubescent; prosternal process flat, acute at apex, finely and 
regularly punctate, clothed with long, very sparse greyish 
hairs ; the last abdominal segment with four strong spines at 
end, the lateral not so strong as the median, which are very 
long, acute, and limit a small semicircular emargination. 
Tarsi rather long, the first two joints narrow, the two fol- 
lowing expanded, claws rather long and thickened at the base. 
Three specimens of this new species, all of which are 
females (type, M. C. Z. no. 22,511), were captured at Mt. 
Misim, Morobe District, New Guinea, by Mr. Herbert Ste- 
vens. A paratype stands in my own collection at the 
Museum National d’Histoire Naturelle, Paris. 
I do not know any Diceropygus with which I may compare 
this; it is so much like Briseis curta Kerr, that it seems 
possible to confuse the two species. They can be distin- 
guished by the scutellum, which is twice as broad in 
Diceropygus stevensi as in Briseis curta Kerr., and by the 
lack of a lateral protuberance on the prosternal margin of 
Diceropygus stevensi. The latter will be placed next to 
Briseis curta; it appears that the characteristics given for 
the subgenus Briseis are without value. 
Diceropygus brevicollis n. sp. (PL IV, Fig. 10) 
Length : 12 mm. ; breadth : 4 mm. — A Bronzy green 
above, the elytra with three steel blue spots and with some 
slightly purplish reflections; lower surface brownish, with 
bluish and purplish tinges. Legs brownish, the femora green 
anteriorly, tarsi and antennse greenish blue; prosternal 
process and middle of the metasternum green. Elongate, 
distinctly more attenuate posteriorly than in front. 
Head slightly convex on the vertex, nearly flat in front, 
very finely and confluently punctate, clothed with rather long 
greyish pubescence. Eyes broad and regularly elliptic, their 
anterior edges slightly convergent toward the vertex ; the 
interval between the eyes a fifth wider than the breadth of 
the eyes. Epistoma not distinctly separated from the front, 
very slightly emarginate. Antennse reaching the base of 
the prothorax below, serrate from the fourth joint, all joints 
except the first nearly equal in length, the first joint yellow 
at base, apex of the last joints brownish; palpi brownish. 
Pronotum short, widest at the middle, twice as wide as 
