ings, the outer margin of the tegulae, two spots on the scutellum, two
longitudinal curved lines on the metathorax, extending from the base to
the apex, yellow; the yellow lines on the metathorax curving inwards.
The tibiae, tarsi, and apex of the femora ferruginous; the intermediate
and posterior tibiae with a fuscous line outside, a spot on the coxae
outside, a stripe at the apex of the anterior femora beneath, another on
the intermediate pair, and a line on the anterior tibiae, behind, yellow;
wings subhyaline, their margins fuscous. Abdomen petiolated; a fascia on
the apical margins of all the segments, and the petiole, yellow; the
third and following fasciae narrowest; all the fasciae continued beneath
the abdomen.

_Hab._ Aru.

2. ODYNERUS AGILIS. _O._ niger; capite thoraceque distincte, abdomine
delicatule punctatis; pedibus ferrugineis; abdominis segmentis duobus
basalibus flavo fasciatis; alis subhyalinis.

_Male._ Length 6 lines. Black; the scape in front, a line on the inner
margin of the eyes, terminating in their emargination, an abbreviated
line behind them, and the clypeus yellow; the latter deeply emarginate,
forming two teeth. Thorax: a line in the middle of the anterior margin
of the prothorax, two spots on the verge of the emargination of the
metathorax, and a fascia on the apical margins of the first and second
segments of the abdomen yellow; the legs ferruginous; the wings
subhyaline, the anterior margin of the superior pair fuscous; the outer
margin of the tegulae yellowish.

_Hab._ Aru.

3. ODYNERUS MULTIPICTUS. _O._ niger, flavo maculatus et punctatus;
pedibus flavis, alis hyalinis.

_Female._ Length 4 lines. Black; the head and thorax strongly punctured,
the abdomen finely and distantly so; the clypeus, a spot above it, the
inner and outer orbits of the eyes, and the scape in front yellow; the
clypeus deeply emarginate in front; the mandibles ferruginous, with a
yellow spot at their base. Thorax: the prothorax in front, the tegulae
and two spots beneath the wings, the scutellum, and sides of the
metathorax yellow; the legs yellow, with ferruginous stains; the femora
with a black or dark stain above; wings hyaline, with a fuscous stain
along the anterior border of the superior pair. Abdomen: a yellow fascia
on the apical margins of the two basal segments; the three following
segments with very narrow yellow borders, and the apical segment
entirely reddish-yellow.

_Hab._ Aru.

4. ODYNE