82 The Philippine Journal of Science 1921 
necting this single specimen with the others. The mark on 
the third tergite varies some in size and shape. Two males 
have the abdominal marks larger than usual but otherwise do 
not differ. One male, which may be somewhat immature, has 
the second and third tergites slightly reddish. 
LUZON, Mountain Province, Baguio (W. Robinson) (Baker): 
Laguna Province, Los Bafios (Baker 1708, 1709, 1710, 1836): 
Union Province, Bauang (Baker 4963): Manila (W. A. 
Stanton). NEGROS, May, 1911 (C. V. Piper). L&yYTE, Tacloban 
(Baker). PANAY, Antique Province, Culasi, June, 1918 
(McGregor). MINDANAO, Davao (Baker 6906); Dapitan 
(Baker 3194). PALAWAN, Puerto Princesa (Baker). 
Scolia (Scolia) modesta Smith. 
See above remarks under Scolia manilae Ashmead. From 
the description the specimens described by Smith can be | 
separated from manilae in the female by “a round macula,” on 
the third tergite, and in the male by the presence of yellow 
marks on the scutellum, metanotum, and propodeum. 
Scolia (Scolia) quadripustulata Fabricius. 
This species has been recorded from the Islands but is not 
in the material before me. The typical form has four ferru- 
ginous or yellowish marks on the abdomen; the wings are 
“nigro-chalybeis,” and the head and thorax are almost impunc- 
tate. The hair is described as black. Some varieties with the 
abdomen entirely black have been described, and it is possible 
that the record of the species occurring in the Islands is based 
on an erroneous identification. Length, 15 to 20 millimeters. 
Scolia (Scolia) megacephala sp. nov. 
The large head allies this species with Scolia cephalotes 
Burmeister, but the black legs will readily distinguish it from 
that species. Disregarding the head it seems more closely 
allied to S. redtenbacheri Saussure. The large head seems to 
ally this species with the species of Triscolia with large heads. 
Female.—Length, 21 millimeters; length of anterior wing, 
17 millimeters. Head large, as wide as thorax, shining; vertex, 
occiput, and cheeks very sparsely punctured; posterior orbits 
somewhat broader than greatest transverse diameter of eye; 
clypeus shining, with large, separated punctures which are 
practically wanting on convex median portion, the apical margin 
depressed medianly and produced into a broad truncate lobe; 
