Mr. WALKER on Chalcidites. 155 
of the tenth joint: thorax elliptical: prothorax transverse, short: scutum of the meso- 
thorax broad; sutures of the parapsides indistinct; axill triangular, large, not com- 
plete; scutellum conical, zeneous-green, having a slight trace of a transverse suture near 
its tip: propodeon obconical, declining, rather large: podeon very short, but distinct : 
abdomen cupreous-black, shining, depressed, increasing in breadth from its base till 
near its tip, having an obscure fulvous spot near its base, rather shorter and narrower 
than the thorax; metapodeon of moderate length; octoon and following segments 
shorter than the metapodeon: legs fulvous; coxe green; thighs piceous, their tips 
fulvous: wings fuscous; nervures piceous ; humerus much less than half the length of 
the wing; ulna more than half the length of the humerus; radius rather longer than 
the ulna; cubitus slightly curved, about half the length of the radius; stigma very 
small. 
Found by Dr. Greville near Edinburgh. 
In the structure of the prothorax, the scutellum and the podeon, it ap- 
proaches the genus Trigonoderus, Westwood. 
PrERoMALUS XaNTHE, mas. Viridis, abdominis disco zneo, antennis piceis, 
pedibus fulvis, femoribus piceis, tarsis flavis, alis limpidis. 
Corp. long. lin. 11; alar. lin. 13. : 
Body linear, bright green: head transverse, dark green, a little broader than the thorax: 
antennze piceous, filiform, as long as the thorax ; first joint fulvous, piceous towards the 
tip; fifth and following joints linear; club fusiform, twice the length of the tenth joint : 
thorax elliptical, inclining to zneous along the sutures: prothorax very short: scutum 
broad; sutures of the parapsides indistinct ; axille large, triangular, not complete ; 
scutellum obconical, having a cupreous band across it, but with ho trace of a ee: 
propodeon obconical, declining : podeon very short : abdomen shining, depressed; in- 
creasing in breadth towards the tip, which is very minutely squameous, a little shorter 
and narrower than the thorax; disc neous; metapodeon of moderate length; octoon 
than the metapodeon, successively decreasing in length 
1 ents shorter 
and following segm middle and hind legs with piceous thighs, 
until the telum : legs fulvous; coxe green; | hing legi j i 
yellow knees and tarsi, the tips of the latter fuscous: wings limpid; nervures piceous ; 
humerus much less than half the length of the wing; ulna hardly mora than half the 
length of the humerus; radius a little shorter than the ulna; cubitus much shorter 
than the radius; stigma small. 
Found by Dr. Greville near Edinburgh. | 
Nearly allied to Pt. Coryphe (Monographia C 
x 2 
halciditum, i. 266). 
