5. SCOLIA QUADRICEPS. _S._ nitida nigra; foeminæ capite magno
subquadrato, alis fuscis cupreo iridescentibus.
_Female._ Length 6-8 lines. Black and shining; head subquadrate, smooth
and shining, as wide as the thorax, with a few punctures at the sides of
the face and between the antennæ. Thorax finely punctured, with the disk
of the mesothorax impunctate; wings dark brown with a rich coppery
iridescence. Abdomen with a fine prismatic lustre, closely and strongly
punctured towards the apex and at the extreme base, the second segment
and the middle of the third with only a few very fine scattered
punctures.
_Hab._ Aru.
This species also belongs to the division Liacos; the petiolated cell is
small and oblong-quadrate; the male exactly resembles the female, except
that its head is smaller and narrower than the thorax; the abdomen is
rather more strongly punctured.
Gen. POMPILUS, _Fabr._
1. POMPILUS DUBIUS. _P._ niger, pilis mutabili-sericeis tectus; alis
subhyalinis, apice nebuloso.
_Female._ Length 4-1/4 lines. Black and covered with a thin changeable
silvery pile, which is most dense on the sides of the metathorax and
base of the segments of the abdomen. The vertex emarginate behind, the
eyes very large, their inner orbits emarginate, reaching high on the
sides of the head nearly to the margin of the vertex; the clypeus
emarginate in front, the labrum produced. Thorax: the prothorax
subelongate, narrowed anteriorly; the wings subhyaline, their apex
clouded; the intermediate and posterior tibiæ with a double row of
spines; all the tarsi simple; the calcaria stout and elongate. Abdomen
shining, with the margins of the segments slightly depressed.
_Hab._ Aru.
Subgen. AGENIA, _Schiödte_.
1. Agenia blanda, _Guér. Voy. Coq. Zool._ pt. 2. ii. p. 260.
_Hab._ Celebes; India; Singapore; Malacca; Borneo; Key Island.
2. AGENIA CALLISTO. _A._ nigra, pilis sericeis vestita; facie thoraceque
subtùs pube argentato-albâ densè: vestitis; alis fasciis duabus
angustis.
_Female._ Length 8 lines. Black; the face, clypeus, and cheeks with a
dense silvery-white pile; the tips of the mandibles obscurely
ferruginous, the palpi black. Thorax with a brilliant silvery-white pile
on the sides, beneath, and on the coxæ; the metathorax transversely
rugose; the wings hyaline; the anterior pair with a narrow fuscous
fascia at the apex of the externo-medial cell, and a second rather
broader at the base of the marginal cell, which does not quite cross the
wing; the apex of the wing fuscous. Abdomen petiolated, smooth and
shining, with a beautiful glossy pile, which is most dense at the sides;
the apical segment longitudinally subcarinated in the middle above.
_Hab._ Aru.
3. AGENIA JUCUNDA. _A._ nitida nigra; facie metathorace abdomineque pube
sericeâ vestitis; antennis, pedibus, abdominisque marginibus apicalibus
ferrugineis; alis hyalinis.
_Female._ Length 5-1/2 lines. Black; head, pro- and mesothorax, as well
as the scutellum, glassy-smooth and shining; the face covered with
silvery-white pile; the antennæ, tips of the mandibles, and the legs
ferruginous; the palpi elongate and pale rufo-testaceous. Thorax: the
wings hyaline and iridescent, the nervures very slender and pale
rufo-testaceous, the stigma fuscous; the metathorax rounded behind,
transversely rugose, and covered with silvery-white pile. Abdomen
petiolated; the apical margins of the second and following segments
ferruginous, the apical segment entirely so; the ferruginous band on
each segment produced in the middle into an angular shape; on the
abdomen beneath they are similarly produced; the basal segment entirely
ferruginous, with a black spot on each side.
_Hab._ Aru.
4. AGENIA ALTHEA. _A._ nigra; facie pube argentato-albâ vestitâ, thorace
abdomineque sericeo pubescentibus; alis hyalinis, venis nigris.
_Female._ Length 5 lines. Black; the face silvery; the anterior margin
of the clypeus rounded and narrowly smooth and shining; tips of the
mandibles ferruginous; the mandibles elongate and pale rufo-testaceous.
Thorax: the metathorax finely transversely rugose, the sides with bright
silvery-white pubescence; the coxæ, the thorax beneath and on the sides,
with fine silky sericeous pile; the anterior tibiæ and tarsi, and all
the femora at their apex beneath, ferruginous; wings hyaline and
iridescent, nervures black; the outer margin of the tegulæ testaceous.
Abdomen shining, and with a fine silvery sericeous pile; the apical
margins of the segments narrowly rufo-piceous; the terminal segment with
an elongate, smooth, shining space, which extends to the apex, which is
testaceous.
_Hab._ Aru.
5. AGENIA ALCYONE. _A._ nigra, pilis sericeis cinereis vestita; antennis
pedibusque ferrugineis, alis hyalinis; abdomine petiolato; marginibus
apicalibus segmentorum flavis.
_Male._ Length 7 lines. Black; the antennæ, tips of the mandibles, and
the legs ferruginous; the scape in front, a narrow line on the inner
orbit of the eyes, and the anterior portion of the clypeus yellow; the
antennæ fuscous above towards their base. Thorax: the femora beneath
towards their base, the trochanters and coxæ, except their apex, black;
the apical joints of the intermediate and posterior tarsi fuscous; wings
hyaline, the nervures fusco-ferruginous, the tegulæ reddish-yellow.
Abdomen petiolated; the apical margins of the segments with
reddish-yellow fasciæ; beneath, the margins of the segments are
rufo-piceous, not fasciated.
_Hab._ Aru.
6. AGENIA AMALTHEA. _A._ nigra, pilis tenuibus cinereis sericeis
vestita; antennis anticè pedibusque anticis et intermediis anticè
ferrugineis; abdomine petiolato; alis hyalinis bifasciatis.
_Female._ Length 6 lines. Black; the face densely covered with silvery
pile; the antennæ in front, the anterior margin of the clypeus and the
tips of the mandibles ferruginous; palpi elongate and pale
rufo-testaceous. Thorax: the posterior margin of the prothorax narrowly,
the tegulæ, the anterior and intermediate femora in front, the posterior
pair towards their apex beneath, the anterior tibiæ and tarsi, the
intermediate and posterior tibiæ more or less beneath, and their tarsi,
ferruginous; the tarsi sometimes dusky above; the wings hyaline, a
narrow fuscous fascia at the apex of the externo-medial cell, and a
broad one crossing at, and being the width of, the second and third
submarginal cells; tips of the wings milky-white; the metathorax rounded
posteriorly, transversely finely rugose and densely covered with short
silvery-white pubescence at the sides and apex. Abdomen petiolated,
smooth and shining, with the apex and the margins of the segments
narrowly rufo-piceous.
_Hab._ Aru.
Gen. PRIOCNEMIS, _Schiödte_.
1. PRIOCNEMIS PULCHERRIMUS. _P._ lætè ruber; alis flavo-hyalinis, apice
latè fusco, abdominis lateribus nigris.
_Female._ Length 7-1/2 lines. Bright red; the anterior margin of the
clypeus with a minute tooth in the centre; the tips of the mandibles
fuscous. The metathorax slightly striated transversely, and with a
central as well as a lateral longitudinal groove; the wings
flavo-hyaline, their apex with a fuscous cloud, which commences at the
base of the first discoidal cell, the extreme tips pale; the tibiæ and
tarsi with short slender spines; the extreme apex of the joints of the
posterior tarsi black. Abdomen: the short petiole of the basal segment,
and the sides of the second, third, and fourth segments black, leaving a
red line down the middle of each; beneath, the second, third, and base
of the fourth segments black.
_Hab._ Aru.
2. PRIOCNEMIS FERVIDUS. _P._ capite, antennis, thorace pedibusque
ferrugineis; abdomine nigro; alis fuscis basi subhyalinis.
_Female._ Length 9 lines. Ferruginous, with the abdomen black; the
anterior margin of the clypeus rounded. The metathorax transversely
rugose; the pectus, and coxæ at their base within, black; wings brown,
with a violet iridescence, their base rufo-hyaline; the intermediate and
posterior tibiæ with a double row of spines, all the tarsi spinose.
Abdomen shining black, with the extreme apex slightly ferruginous.
_Hab._ Aru.
Gen. MACROMERIS, _St.-Farg._
1. MACROMERIS IRIDIPENNIS. _M._ cæruleo-nigra; abdomine iridescente,
alis cæruleo-violaceoque splendidè micantibus; pedibus mutieis,
simplicibus.
_Female._ Length 12 lines. Blue-black; abdomen with a changeable
iridescent pile; head and thorax with a black velvety pubescence; the
metathorax very finely rugose and opake; the legs simple; the posterior
tibiæ villose within; the wings very dark brown, with a splendid violet
and blue iridescence.
_Male._ Very closely resembling the female, but rather smaller; the
anterior and intermediate femora more incrassate, and all the femora
with a simple row of teeth or serrations on their inferior margins.
_Hab._ Aru.
Although this species of _Macromeris_ is very similar in colour to the
_M. violacea_ of St.-Fargeau, the femora are not so thick as in that
species, not in fact much more so than in the female; and the row of
teeth beneath is a strong specific character.
Gen. SALIUS, _Fabr._
1. SALIUS MALIGNUS. _S._ niger, pube cinereâ sericeâ vestitus; alis
fuscis, albo fasciatis.
_Female._ Length 9 lines. Black, and covered with a fine thin ashy pile;
the scape in front, and the anterior margin of the clypeus narrowly,
obscure yellow; the mandibles ferruginous at their apex, which has a
single notch; the palpi pale rufo-testaceous. Thorax: the prothorax with
a slightly interrupted narrow fascia a little before its posterior
margin, and the scutellum, yellow; the anterior femora broadly dilated,
and, as well as the anterior tibiæ, ferruginous within; the intermediate
tibiæ ferruginous at their apex in front, and the posterior pair with a
yellowish-white spot at their base outside; the calcaria pale
testaceous, the claws ferruginous, the anterior tarsi entirely so, but
more or less obscure; the posterior tibiæ slightly spinose; the anterior
wings brown, with a white fascia crossing at the first discoidal cell,
and a second at the apex of the third submarginal, the extreme base and
the anterior margin of the externo-medial cell hyaline. Abdomen: the
apical margins of the segments with a little bright silvery pile.
_Hab._ Aru.
Gen. MYGNIMIA, _Smith_.
1. MYGNIMIA ASPASIA. _M._ cæruleo-nigra; capite thoraceque pube
holosericeâ vestitis; alis fulvo-hyalinis; abdomine pilis iridescentibus
vestito.
_Female._ Length 14 lines. Black, with shades of blue in certain lights;
the abdomen with bright tints of blue and violet, caused by fine
iridescent changeable pile; the legs have a similar pile, very bright on
the femora within; the head and thorax with a short black velvety
pubescence; the wings flavo-hyaline; the nervures pale ferruginous; the
extreme base of the wings blackish, their apical margins with a narrow
fuscous border. The legs spinose; the posterior tibiæ with a double row
of strong serrations.
Gen. SPHEX, _Fabr._
1. SPHEX ARGENTATA, _Dahlb. Hym. Eur._ i. 25. 1.
_Hab._ Aru; Celebes; Sumatra; India; Greece; Africa; East Florida.
2. SPHEX SERICEA, _Fabr. Syst. Piez._ 211. 19.
_Hab._ Aru; Malacca; Borneo; Java; Philippine Islands.
3. SPHEX AURIFRONS. _S._ niger; facie pube aureâ vestitâ, alis
flavo-hyalinis apice fuscis, abdomine pilis sericeo-aureis vestito.
_Female._ Black; the face densely clothed with golden pubescence, the
head having a number of scattered long golden-yellow hairs. Thorax
thinly covered with long yellow pubescence, which is most dense at the
sides of the metathorax; the tibiæ, tarsi, and posterior femora
ferruginous; the claw-joint of the tarsi black; the tibiæ and tarsi with
black spines; the wings fulvo-hyaline, their apex with a narrow fuscous
border, the nervures ferruginous. Abdomen covered with a fine, thin,
golden-reflecting pile; the apical margins of the segments
rufo-testaceous, the testaceous margin produced in the middle into a
triangular shape, most conspicuously so on the segments beneath.
_Hab._ Aru.
4. SPHEX NITIDIVENTRIS. _S._ niger; abdomine nigro-cæruleo, lævigato,
nitido; alis fuscis.
_Female._ Length 12 lines. Black; the face with silvery pubescence, and
thinly covered with long black hairs; the clypeus with a central
longitudinal carina at the base, which terminates at the middle, from
whence to the anterior margin is a broad, smooth, shining space. Thorax
shining and finely punctured; the metathorax opake and covered with
long, loose, black pubescence; the legs shining, the posterior tibiæ
with shining grey pile within; wings brown, darkest at their base.
Abdomen blue, and very smooth and shining, oblong-ovate; the apical
segment vertical.
_Hab._ Aru.
5. SPHEX SEPICOLA. _S._ niger; facie pube aureâ vestitâ; alis
subhyalinis apice fuscis; abdomine nitido.
_Female._ Length 9 lines. Black; the face densely clothed with golden
pubescence, the cheeks with iridescent pile, with a long, loose,
scattered pale yellow pubescence on the head and thorax; the mandibles
smooth, shining black. The disk of the thorax with an obscure chalybeous
tint, shining and finely punctured; the metathorax opake and finely
rugose; the wings subhyaline, their apical margins fuscous, the nervures
fusco-ferruginous. Abdomen with a slender subelongate petiole, and with
a thin, silky, grey pile; the apical margins of the segments narrowly
and obscurely rufo-piceous.
_Male._ Rather smaller than the female, more slender and more pubescent,
the pubescence on the face paler.
_Hab._ Aru.
6. SPHEX GRATIOSA. _S._ capite thoraceque nigris, abdomine cæruleo, alis
fusco-hyalinis.
_Male._ Length 10 lines. Head and thorax black; the face densely clothed
with pale golden pubescence; the labrum and mandibles highly polished,
very smooth and shining; a thin pale pubescence is scattered over the
head, pro- and mesothorax, the latter obscurely chalybeous above,
shining, and finely and closely punctured, with an abbreviated, deeply
impressed line in the middle anteriorly; the posterior margin of the
prothorax covered with shining silvery pubescence; the metathorax
opake, and clothed with black pubescence; wings fusco-hyaline, the
anterior pair darkest towards their base, the nervures dark
fusco-ferruginous, nearly black. Abdomen smooth, shining dark blue;
beneath, the margins of the segments have a bright, glittering,
pale-golden pile.
Gen. PELOPOEUS, _Latr._
1. PELOPOEUS LABORIOSUS. _P._ niger; scapo anticè, pedibus petioloque
rufescenti-flavis, alis hyalinis fulvo tinctis.
_Female._ Length 12 lines. Black, with black pubescence on the head and
thorax; the face with a fine cinereous pile; the scape yellow in front;
the mandibles smooth and shining. Thorax: the legs pale ferruginous, the
posterior femora darkest; the coxæ, the anterior and intermediate
trochanters, and base of the femora black; wings fulvo-hyaline, the
nervures ferruginous; the metathorax obliquely striated. Abdomen
slightly shining at the base, with the petiole reddish-yellow.
_Hab._ Aru.
Gen. LARRADA, _Smith_.
1. LARRADA MODESTA. _L._ nigra; abdomine pilis argentatis fasciato; alis
hyalinis.
_Female._ Length 6-1/2 lines. Black; the face covered with silvery down;
the mandibles smooth, shining, black, and fringed beneath with fulvous
hairs, the cheeks silvery. Thorax slightly shining, closely and
delicately punctured; the metathorax opake and transversely striated;
wings subhyaline, with a fuscous border at their apex, the nervures
black. Abdomen slightly shining; the apical margins of the first,
second, and third segments with fascia of silvery pile, which is very
brilliant in certain lights.
_Male_ closely resembles the female, but has an additional fascia on the
abdomen.
_Hab._ Aru.
Gen. LARRA, _Fabr._
1. LARRA SIMILLIMA. _L._ nigra, pulchre prismatica, maculis fasciisque
variis flavis ornata.
_Female._ Length 6-1/2 lines. Black; the abdomen with tints of blue
violet; the thorax slightly prismatic; the labrum, clypeus, an angular
scape above, an abbreviated line on the inner orbits of the eyes, the
scape in front, and the antennæ beneath, yellow; the cheeks with a
silvery reflexion. The thorax beneath, and the metathorax, with a
shining white silvery pile; the anterior and intermediate femora and
tibiæ beneath yellow; the tarsi pale ferruginous, and more or less
fuscous above; wings subhyaline, the nervures fuscous; a spot on the
lateral posterior angles of the metathorax, two ovate spots on the
scutellum, and a line on the postscutellum yellow. Abdomen: the basal
segment with a broadly interrupted fascia a little before its apical
margin; the second and fourth segments with a narrow yellow fascia at
their apical margins, which is widened laterally; beneath, the second
and third segments with a yellow spot on each side.
The _Male_ differs from the female in having a large quadrate black spot
on the clypeus, and a spot at the base of the labrum; there is also a
narrow yellow line on the posterior margin of the prothorax; and the
third segment of the abdomen has a yellow fascia: it is also rather
smaller.
_Hab._ Aru.
This insect very closely resembles _Larra prismatica_, from Borneo,
Malacca, and Celebes, of which it may be a variety.
Gen. BEMBEX, _Fabr._
1. Bembex melancholieca, _Smith, Cat. Hym._ pt. iv. p. 328; _Proc. Linn.
Soc._ ii. p. 105.
_Hab._ Aru; Sumatra; Borneo.
Many of the specimens from Aru are less highly coloured than those of
Sumatra or Borneo: the yellow markings on the abdomen are frequently
much obliterated in the females; others are as highly coloured as any
examples I have seen.
Gen. PISON, _Spin._
1. PISON NITIDUS. _P._ nitidus, niger, distinctè punctatus; alis
subhyalinis, venis fuscis; segmentis abdominalibus apice depressis.
_Female._ Length 5 lines. Black and shining; the head and thorax
strongly punctured; the face beneath, the antennæ, the clypeus, cheeks,
and the sides of the segments of the abdomen covered with a silvery
down; the palpi pale testaceous; the mandibles obscurely ferruginous at
their apex. The metathorax transversely striated behind, with a central
longitudinal impressed line above, which is transversely striated, and
terminates in a deep fovea just beyond the verge of the posterior
inclined truncation; the wings subhyaline; the nervures dark fuscous;
the first recurrent nervure received at the apex of the first
submarginal cell, and the second at the base of the third submarginal.
Abdomen shining, and more delicately punctured than the thorax; the
margins of the segments deeply depressed.
_Hab._ Aru, Key Island.
Gen. GORYTES, _Latr._
1. GORYTES CONSTRICTUS. _G._ niger; clypei lateribus flavis; collari,
tuberculis postscutelloque flavis; segmentorum abdominis marginibus
apicalibus flavis constrictis, pedibusque flavo variegatis.
_Female._ Length 6 lines. Black; the head and thorax very closely
punctured and opake, the head slightly shining on the vertex; the
antennæ beneath and the apical half of the mandibles ferruginous, the
latter black at their tips; the clypeus yellow at the sides, and
coarsely rugose in front. Thorax: the metathorax coarsely
longitudinally rugose, with cinereous pubescence at the sides; the
antennæ and intermediate tibiæ, the tarsi, and articulations of the legs
reddish-yellow; wings subhyaline, with a fuscous cloud in the marginal
cell, which passes beyond to the apex of the wings; the nervures
fusco-ferruginous; the tegulæ ferruginous. Abdomen shining, covered with
a thin, fine, cinereous pile, and with the margins of the segments
constricted; the apical margins of the segments with narrow yellow
fasciæ, that on the fourth abbreviated on each side, on the fifth it is
obsolete; beneath, the second segment is opake, finely punctured, and
pilose; the following segments smooth, shining, and with five scattered
punctures.
The _Male_ strongly resembles the female, but is smaller and less
variegated with yellow; the face covered with silvery down; the scape
and base of the flagellum ferruginous beneath; the clypeus yellow,
except its extreme base. The thorax black, with the legs rufo-piceous;
the tibiæ and tarsi pale ferruginous, variegated with yellow; the sides
of the thorax beneath the wings longitudinally striated in both sexes,
most conspicuously so in the male. The abdomen with three narrow
interrupted fasciæ.
_Hab._ Aru.
2. GORYTES VAGUS. _G._ niger; clypeo maculis duabus flavis notato;
postscutello et segmentis primo et secundo fasciâ apicali flavis, fasciâ
in segmento primo subinterrupto.
_Female._ Length 6 lines. Black; the head finely punctured and shining;
the anterior margin of the clypeus emarginate in the middle, and more
deeply so on each side; on each side of the clypeus, at its base, is an
oblique yellow spot, and anteriorly it is roughly punctured; the
mandibles roughened at their base, their apical half smooth, shining,
and ferruginous, with their apex black. Thorax subopake, very closely
punctured, and slightly shining; the metathorax coarsely longitudinally
rugose-striate; the postscutellum yellow; wings subhyaline and
iridescent, the nervures fusco-ferruginous; a dark fuscous cloud
occupies the marginal cell. Abdomen smooth and shining, with a slightly
interrupted fascia a little before the apical margin of the basal
segment; the second segment has a fascia at its apical margin; both are
yellowish white; the first is gradually widened towards the sides of the
segment, the second abruptly widened, with the angle of the widened
portion pointed inwards; beneath the abdomen is glossy, with the basal
segment closely punctured and subopake; the margins of abdominal
segments slightly constricted.
_Hab._ Key Island.
Gen. TRYPOXYLON, _Latr._
1. TRYPOXYLON EXIMIUM. _T._ nigrum; clypeo argentato-pubescente;
abdominis segmentis secundo tertio quartoque basi rubris; alis
hyalinis.
_Female._ Length 8-1/2 lines. Black, smooth, and shining; the head and
thorax very delicately punctured; the face and clypeus below the
insertion of the antennæ densely covered with silvery-white pubescence;
the anterior margin of the clypeus rounded and much produced, with a
slight curving upwards at its margin; the mandibles yellow, with their
apex ferruginous; the palpi pale testaceous; the inner orbits of the
eyes very deeply notched. Thorax: the metathorax, the sides, and beneath
with a thin silvery-white pubescence, most dense on the former; the
metathorax not distinctly enclosed at its base, but with two shallow
impressed lines, which mark the form of the usual enclosed space; a
central longitudinal channel extends from its base to the apex, slightly
subinterrupted in the middle; the wings hyaline and iridescent, the
nervures dark fuscous; the anterior and intermediate tibiæ in front,
their tarsi, the apical joints of the posterior pair, and the base of
the tibiæ very pale ferruginous; the claw-joint of the intermediate and
posterior tarsi fuscous above; the calcaria pale testaceous. Abdomen,
the second, third, and base of the fourth segment more or less
ferruginous; the apex of the basal petiolated joint ferruginous beneath.
_Hab._ Aru and Key Island.
Gen. CRABRO, _Fabr._
1. CRABRO SOLITARIUS. _C._ niger; abdomine petiolato; scapo flagellique
articulo ultimo, collari, tuberculis, postscutelli maculis duabus
flavis; pedibus petioloque basi ferrugineis.