18, 8 Rohwer: New Philippine Wasps 315 
below; frons and vertex coriaceous with a tendency to rugulos- 
ity just above the antennz; occiput smooth; lateral ocelli in 
distinct pits; postocellar line distinctly shorter than the ocelloc- 
ular line; antenne rater short, scarcely thickening apically, 
the third joint distinctly longer than the fourth; anterior 
dorsal margin of pronotum carinate, not dentate laterally: 
scutum polished, with well-separated punctures, parapsidal 
furrows not indicated; scutellum and metanotum with only 
setigerous punctures; base of propodeum with a triangularly 
shaped, depressed area which is crossed by about twelve ruge; 
the median sulcus distinct, deep; posterior surface of the 
propodeum coriaceous; mesepisternum polished, with only 
setigerous punctures, sutures not foveolate; petiole cylindrical, 
curved, almost as long as hind trochanter and femur; longer 
calearium of hind tibia shorter than hind basitarsus; first 
recurrent received by the second cubital near the base; second 
recurrent received well within the third cubital cell. Black, 
with abundant yellow marks; fiagellum testaceous; mandibles, 
scape, pronotum dorsally, tubercles, tegule, large spot on_ 
mesepisternum, spot below hind wings, scutum except three 
broad, lines, scutellum, metanotum, propodeum except basal 
depressed area and median line yellow; legs yellow, hind 
femora, tibiz, and tarsi testaceous; petiole yellow at base, black 
apically ; gaster reddish; body sparsely clothed with silvery hair; 
wings clear hyaline; venation testaceous. 
Type locality —Mount Banahao, Luzon. Described from one 
female received from C. F. Baker. 
Type.—Catalogue No. 22841, United States National Museum. 
2. First and third cubital cells each receiving a recurrent vein. 
c. Body almost entirely black. 
Diodontus tuberculifrons sp. nov. 
Female.—Length, 8.5 millimeters. Clypeus flat, with sepa- 
rate, distinct punctures, the apical margin straight, with two 
median teeth; face sculptured like the clypeus; facial protu- 
berance nearly as wide as face, rounded laterally and emarginate 
medially where the strong frontal carina joins it; frontal 
carina from anterior ocellus to between bases of antenne weak ; 
frons, vertex, and posterior orbits smooth, shining, very sparsely 
punctured; intraocellar area strongly raised, punctures distinct: 
ocelli in an equilateral triangle, postocellar line subequal with 
the ocellocular line; on the frons opposite the top of the eye 
is an elongate convex tubercle; scape rather short, the outer 
