Brues, North American Parasitic Hymenoptera. 
103 
tured like the first, two and one-half times as wide at the base as it is 
long. Third segment occnpying' two-thirds of the remaining- surface, 
smooth and shining-, with a few scattered punctures. Legs, including 
coxae, yellow, the pleura with a dark spot just above the posterior 
coxae. Wings very short, ciliated, reaching only to the tip of the first 
abdominal segment. Antennje 12-jointed, bright yellow, with the apical 
eight joints black. Scape slender, three-fifths the length of the 
flagellum ; first and second flagellar joints subequal, each twice as long 
as thick and considerably longer and thicker than the pedicel; third 
and fourth short, moniliform or quadrate, forming the base of an 
unusually slender club; seventh flagellar joint the shortest, twice as 
broad as long and twice as thick as the second flagellar joint. 
One specimen, Cold Spring Harbor, Long Island, New York. 
This is a large and prettily marked species, distinguished at 
once by its large size, vestigial wings, and acutely toothed lateral 
metathoracic angles. 
FAMILY EURYTOMID.^:. 
Chryseida inopinata sp. nov. 
Female. Length 5.5 mm. Metallic green, the abdomen more or 
less blue. Femora reddish, tarsi whitish; antennae ferruginous or 
rufous. Head two and one-half times as wide as thick, coarsely con- 
fluently puctate. Antennae inserted at the middle of the face ; their 
cavity transversely rugose, narrowed above and enclosing the anterior 
ocellus ; lateral ocelli set in large f oveae near the eyes. The punctures 
of the row along the anterior margin of the ej^es are elongated, giving 
the groove a transversely rugose sculpture ; medially the groove is 
margined hy a very sharp carina. Cheeks margined behind ; mandibles 
rufous. Eyes oval, reddish, microscopically pubescent; a little longer 
than the malar space. Antennae with only nine visible joints. Scape 
slender, but little longer than the first flagellar joint. Pedicel very 
small, rounded, only one visible ring-joint. Flagellum slightly clavate 
apically, the first joint one-half longer than the second which is two 
times as long as thick ; third, fourth and fifth smaller ; sixth oval, one- 
third longer than the fifth. Prothorax nearh^ three times as wide as 
long, sculptured like the head, as are also the mesonotum and scutellum. 
