spot on each side of the first segment, and
its posterior margin yellow; the following segments covered with a grey
silky pile.

_Male._ Differs from the female in having the clypeus entirely yellow,
the metathorax and abdomen entirely black; only the apical margin of the
petiole is yellow, it is also longer.

_Hab._ Celebes.

5. EUMENES FLORALIS. _E._ niger; clypeo flavo; thorace pedibusque
ferrugineo-flavo variegatis.

_Male._ Length 6-1/2 lines. Black; strongly punctured and shining; the
clypeus and a spot above yellow; a narrow abbreviated line behind the
eyes, a minute spot in their emargination, and the tips of the mandibles
orange-red; the flagellum fulvous beneath. Thorax: the anterior and
posterior margin of the prothorax, the tubercles, and a spot on the
tegulae behind, a line on the postscutellum and the legs, orange-red, the
coxae black, and the tarsi dusky; the wings slightly brownish with a
violet iridescence. Abdomen immaculate, with a minute spot on the
posterior border of the petiole; the third and following segments with a
fine cinereous pile.

_Hab._ Celebes.

Genus ODYNERUS, _Latr._

1. Odynerus ovalis, _Sauss. Mon. Guepes Sol._ 215. 122. t. 19. f. 4.

_Hab._ India, China, Celebes.

2. ODYNERUS (ANCISTROCERUS) CLAVICORNIS. _O._ niger, flavo varius;
capite thoraceque fortiter, abdomine delicatule punctatis, antennis
clavatis.

_Male._ Length 4-1/2 lines. Black; head and thorax strongly punctured
and shining; a spot on the mandibles, the labrum, the clypeus, a spot
above, the scape in front, a line in the emargination of the eyes and a
spot behind them, yellow; the flagellum broadly clavate, the joints
transverse, the apex of the club and the terminal hook reddish-yellow,
the thickened part of the club concave beneath, the hook bent into the
cavity. Thorax: two spots on the anterior margin, a spot on the tegulae
in front, and the legs, reddish-yellow, the coxae dusky; the metathorax
coarsely rugose and deeply concave-truncate. Abdomen: the first segment
with a transverse carina at its base, in front of which is an
irregularly cut deep transverse channel forming a second carina in front
of the groove; the segments finely punctured, the first and second
segments with a yellow posterior border, the fourth and following
segments rufo-piceous.

_Hab._ Celebes.

3. ODYNERUS (LEIONOTUS) INSULARIS. _O._ niger, flavo et aurantio
variegatus; abdominis basi ferruginea.

_Male._ Length 6 lines.