68 
Psyche 
[June 
relatively longer, about one and one-third times as wide as 
long ; the apical, free portion a little less than half the length 
of the basal, interocular part. Antenna as in the female of 
P. occidentalis, of 12 segments; scape more elongate than 
in the male ; second segment very small ; third to sixth short, 
narrower than the remainder, which form an elongate-el- 
liptical swollen club not abruptly set off at base ; third seg- 
ment slightly longer than the three following together. Man- 
dible with a very broad, bluntly rounded apex and the 
merest indication of two preapical denticulations on the 
inner margin. Humeral angles very evenly rounded, not 
humped. The lateral angles of the propodeum sharper than 
in the male. Abdomen of the normal shape, without con- 
strictions or processes ; the second and third tergites slightly 
depressed transversely near the base. Legs normal. 
Abdomen uniformly covered with minute punctures, 
without shiny areas at the bases of the tergites. Clypeus 
very coarsely punctate, the punctures even coarser than on 
the frons. Pilosity of the clypeus denser and longer than in 
the male. 
Yellow markings more extensive and more variable than 
in the male. Tip of labrum, under side of antennal club and 
last segments of all tarsi partly ferruginous. The following 
areas are sulphur-yellow: mandible (except the broad black 
apex) ; most of labrum; clypeus (except for a median black 
mark in the form of a ring, a horse-shoe, or two half rings, 
sometimes reduced to four dots) ; inner orbits from man- 
dibles to vertex, broader above the ocular sinuses, but sep- 
arated from the frontal spot; a triangular spot on the 
frons, resting on the clypeus (sometimes reduced to two 
lines or to indefinite spots) ; outer orbits, not connected with 
the inner orbits; most of pronotum (a black stripe on each 
side, of variable width, often running from the anterior to 
the lateral margin, sometimes broken up in spots) ; most of 
mesopleura; tegulse; four longitudinal stripes on the meso- 
notum, one above each tegula (sometimes much shortened) 
and two in the middle, diverging and somewhat hooked 
anteriorly (very rarely broken up) ; broad hind margin of 
scutellum; postscutellum (in one specimen mostly black) ; 
