4C8 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxix. 



17. ISOTIMA METATHORACICA, new species. 



2£ale. — Length al)oiit 4 mm. Head and thorax, except the meta- 

 thorax and a spot just above the middle coxa? on the lower hind margin 

 of the mesopleura, and the abdomen, except white bands at the apex 

 of the tirst, second, and third segments, a large white spot on the last 

 segment al)ove, and the base of the petiole, which is ferruginous, black; 

 the metathorax, the spot on mesopleura above the middle coxa?, the 

 base of the abdominal petiole, and the legs, except the front and mid- 

 dle coxa? and trochanters, which are white, and the first joint of the 

 hind trochanters, a spot at apex of the hind femora, the apex of the 

 hind tibiie, and the hind tarsi, which are blackish or fuscous, are fer- 

 ruginous; an oblong spot on the middle of the face, a spot on vertex 

 at the apex of the eyes, the mandibles except the teeth, the palpi, the 

 scutellum, except the fovea across the base, the tegula?, a spot in 

 front and beneath, the front and middle coxte and trochanters, a small 

 spot at the metathoracic spiracles, the apical marg-ins of the abdominal 

 segments 1 to 3, and the large spot on the last seg'ment are white; 

 first two joints of antenme yellow, rest of antenna? black; the first joint 

 of the flag-ellum long, about 6 times as long as thick. Wings h3^aline, 

 the venation fuscous, the stigma paler within. The insect is smooth 

 and shining, with the second and third segments of the abdomen 

 punctate; the parapsidal furrows distinct; the middle lobe with a 

 crenate depression in front of the scutellum, while the metathorax is 

 completely areolated. 



Type.— i^^it. No. 9040, U.S.N.M. 



Manila. (Father Brown.) 



18. ISOTIMA ALBIFRONS, new species. 



Female. — Length 8.5 mm. ; ovipositor half the length of the abdo- 

 men. Black; the palpi, a spot at base of the mandibles, the clypeus, a 

 large spot on the face extending from the clypeus to the insertion of 

 the antenna?, a stripe on each side of it close to the e\'e, a large spot 

 on the vertex close to the apex of the eye and leaving a triangular 

 black spot inclosing the ocelli, the tegula? and a spot beneath, the 

 scutellum, except the depression across the base, the front and middle 

 coxa; and trochanters, the knees and front tibia? toward base and 

 beneath, the base of the middle tibiic and beneath, a broad annulus at 

 l)ase of the hind tibia^, the hind tarsi, except an annulus at base and the 

 last joint, broad bands at the apex of the first and second segments of 

 the abdomen, and a large spot on the last two segments are white; the 

 metathorax, the base of the first segment of the alidomen, and rest of 

 the legs, except as noted and the hind tibiae, are ferruginous; the hind 

 tibia?, except the annulus at base, the tibial spurs, the annulus at base 

 of tarsi and the last joint, are black; the two basal joints of the anten- 

 na» and the front coxt\? nhoee are vellowish. tlic rest of the antennsv, 



