32 
Psyche 
[Mar. 
of abdominal marks are like those of the male; that on 
second broad, that on third broken in one female (as in 
all males). Legs have black femora, excepting tips of 
the front and mid pairs. The enclosure is smooth. The 
pygidium is long, almost to a point below, and with sides 
much bowed; the front tarsi are flattened. 
Length of ? 10 mm. 
Cerceris (Apiratrix) vanduzeei Bks. 
Banks, Bull. Mus. Comp. Zool., LXI : 114, 1917. 
Types from San Diego Co., Calif., June (Van Buzee), 
and also from Claremont, Calif. (Baker). 
Cerceris (Apiratrix) arizonella sp. nov. 
A small very slender male with supraclypeal area 
wholly pale and wholly united with lateral face-marks, 
the latter do not extend down to mandibles, as the lateral 
lobes are black, antennae pale rufous, scape beneath white ; 
two white spots on pronotum, nearly meeting; dot on 
tubercle, two spots on scutellum, and a line on postscutel- 
lum, a spot on first segment of abdomen, fairly broad; 
band on second, and narrow, white bands on those behind, 
except that on the sixth segment is very faint; venter 
black. 
Except face much like acanthophila, but more slender. 
Face more narrow than that species, the clypeus higher 
than broad, from side, evenly convex, lower margin con- 
vex; hair-lobes very short; antennae quite slender, third 
joint much longer than fourth, last joint but little curved ; 
mesonotum coarsely pitted, with little very short hair; 
propodeum roughened somewhat transversely, enclosure 
with transverse striae. First segment of abdomen about 
as broad as long, sides slightly rounded, all segments 
coarsely punctate, third and fourth segments of equal 
width, pygidium small and slender, base about one-half 
width, tip about half the width of base, rounded, surface 
with a few large punctures. 
In the fore wings the third submarginal cell is no longer 
than broad, beyond it the marginal cell is narrowed 
toward tip. 
