104. EURYGASTER RIDIBUNDA, n. s. _Foem._ Cinerea, capite argenteo,
oculis pubescentibus, palpis fulvis clavatis, antennis piceis,
thorace lineis quatuor nigris, abdomine nigro fasciis tribus latis
albido-cinereis, pedibus nigris, alis subcinereis basi et apud costam
subluridis, halteribus fulvis.
_Female._ Cinereous, with black bristles; head silvery white in front
and behind, clothed behind and beneath with white hairs; frontalia
deep black, hardly widening towards the epistoma, with a few black
bristles along each side and beyond; facialia without bristles;
epistoma not prominent; eyes pubescent; palpi tawny, clavate; antennæ
piceous, almost reaching the epistoma; 3rd joint linear, slightly
rounded at the tip, nearly thrice the length of the 2nd; arista
slender, very much longer than the 3rd joint; thorax with four black
lines; abdomen black, conical, a little broader and longer than the
thorax, with three broad whitish-cinereous bands, somewhat spinose
towards the tip; legs black, hardly bristly; wings greyish, with a
lurid tinge at the base and along part of the costa; veins black,
tawny towards the base; præbrachial vein forming a rounded and obtuse
angle at its flexure, nearly straight from thence to its tip; discal
transverse vein hardly undulating, parted by little more than half
its length from the border, and by much less than its length from the
flexure of the præbrachial; alulæ cinereous; halteres tawny. Length of
the body 4-1/2 lines; of the wings 8 lines.
105. EURYGASTER REMITTENS, n. s. _Foem._ Cinerea, capite albo, oculis
pubescentibus, palpis, antennis pedibusque nigris, thorace lineis
quatuor nigris, scutello rufo, abdomine nigro fasciis cinereis fere
interruptis, segmenti 2^{i} lateribus rufescentibus, alis cinereis basi
fuscescentibus, alulis albidis.
_Female._ Cinereous, slightly bristly; head white, clothed behind and
beneath with white hairs; frontalia deep black, widening towards the
face, with a row of bristles along each side and beyond; facialia
without bristles; epistoma not prominent; eyes pubescent; palpi
black, short; antennæ almost reaching the epistoma; 3rd joint slightly
widening towards the tip, which is rounded; arista slender, very much
longer than the 3rd joint; thorax with four black lines; scutellum
red, black at the base; abdomen black, conical, somewhat pilose at the
tip, hardly broader or longer than the thorax, with cinereous nearly
interrupted bands; 2nd segment reddish on each side; legs black,
slightly bristly; wings grey, brownish at the base; veins black;
præbrachial vein forming a slightly obtuse angle at its flexure, from
whence it is hardly curved inward to its tip; discal transverse vein
very slightly undulating, parted by a little more than half its length
from the border, and by about half its length from the flexure of the
præbrachial; alulæ whitish. Length of the body 5 lines; of the wings 8
lines.
106. EURYGASTER APTA, n. s. _Foem._ Cinerea, capite albo, oculis
nudis, palpis, antennis, pedibusque nigris, thorace vittis quatuor
indistinctis, abdominis vitta dorsali et segmentorum marginibus
posticis nigris, alis cinereis apud costam fuscescentibus, alulis
albido-cinereis.
_Female._ Cinereous, with few bristles; head white; frontalia black,
narrow, linear, with a row of bristles along each side and beyond;
facialia without bristles; epistoma not prominent; eyes bare; palpi
black; antennæ almost reaching the epistoma; 3rd joint linear, rounded
at the tip, about four times the length of the 2nd; arista slender,
very much longer than the 4th joint; thorax with four indistinct black
stripes; abdomen conical, especially setose towards the tip, very
little longer than the thorax; 1st segment, hind borders of the other
segments and dorsal stripe black; legs black; wings grey, brownish
along the costa; veins black; præbrachial vein forming an obtuse angle
at its flexure, hardly curved inward from thence to its tip; discal
transverse vein slightly undulating, parted by much less than its
length from the border, and by a little less than its length from the
flexure of the præbrachial; alulæ whitish cinereous. Length of the
body 4 lines; of the wings 7 lines.
107. EURYGASTER CONGLOMERATA, n. s. _Foem._ Cinereo-nigra, capite
albo, oculis pubescentibus, palpis, antennis pedibusque nigris,
thorace lineis quatuor anticis nigris, thorace postico abdomineque
anthracinis, tibiis posticis subfimbriatis, alis cinereis, alulis
testaceo-albis.
_Female._ Cinereous black; head white, with white hairs behind
and beneath; frontalia deep black, linear, with a row of bristles
along each side and beyond; facialia without bristles; epistoma
not prominent; eyes pubescent; palpi black; antennæ reaching the
epistoma; 3rd joint linear, rounded at the tip, six times the length
of the 2nd; arista much longer than the 3rd joint, stout to half its
length; thorax with four black lines; hind part and abdomen coal
black, shining, the latter conical, not longer than the thorax, setose
towards the tip; legs black; hind tibiæ slightly fringed; wings grey;
veins black; præbrachial vein forming a hardly obtuse angle at its
flexure, almost straight from thence to its tip; discal transverse
vein undulating, parted by much less than its length from the
border, and by a little less than its length from the flexure of the
præbrachial; alulæ testaceous white, very large. Length of the body
4-1/2 lines; of the wings 8 lines.
108. EURYGASTER PROMINENS, n. s. _Mas._ Cinereo-nigra, capite albo,
oculis pubescentibus, palpis, antennis pedibusque nigris, thorace
lineis quatuor indistinctis, abdominis basi vitta dorsali et
segmentorum marginibus posticis nigris, scutelli apice rufescente,
abdomine segmenti 2^{i} lateribus subrufescentibus, alis cinereis,
alulis albis.
_Male._ Cinereous black; head white, with white hairs behind and
beneath; frontalia deep black, widening to the epistoma, with a row
of bristles along each side and beyond; facialia without bristles;
epistoma not prominent; eyes pubescent; palpi black; antennæ extending
to the epistoma; 3rd joint linear, narrow, rounded at the tip, full
four times the length of the 2nd; arista much longer than the 3rd
joint, stout to nearly half its length; thorax with four indistinct
black lines; scutellum reddish towards its tip; abdomen nearly oval,
cinereous, not longer than the thorax; 1st segment, hind borders of
the following segments, and dorsal stripe black; 2nd segment slightly
reddish on each side; legs black; wings grey; veins black; præbrachial
vein forming a right angle at its flexure, near which it is very
slightly curved inward, and is thence straight to its tip; discal
transverse vein hardly undulating, parted by much less than its length
from the border, and by less than its length from the flexure of the
præbrachial; alulæ white, very large. Length of the body 3-1/4 lines;
of the wings 6-1/2 lines.
109. EURYGASTER DEDUCENS, n. s. _Foem._ Cinerea, capite albo, oculis
nudis, palpis, antennis pedibusque nigris, thorace lineis quatuor,
abdominis basi fasciisque tribus nigris, scutello rufescente, alis
cinereis basi nigris, alulis albis.
_Female._ Cinereous, bristly, head white, with whitish hairs behind
and beneath; frontalia deep black, widening to the face, with black
bristles along each side and beyond; facialia without bristles, except
by the epistoma, which is slightly prominent; eyes bare; antennæ
reaching the epistoma; 3rd joint linear, rather broad, slightly
rounded at the tip, about four times the length of the 2nd; arista
much longer than the 3rd joint, stout to half its length; thorax with
four black lines; scutellum reddish; abdomen conical, not longer than
the thorax, black at the base, and with three black bands on the hind
borders of the segments; wings grey, black at the base; veins black,
testaceous at the base, except along the costa; præbrachial vein
forming an obtuse angle at its flexure, slightly curved inward from
thence to its tip; discal transverse vein straight, except a slight
curve at its base, parted by a little more than half its length from
the border, and by much less than its length from the flexure of the
præbrachial; alulæ white. Length of the body 3-3/4 lines; of the wings
7 lines.
110. EURYGASTER CONTRACTA, n. s. _Foem._ Cinerea, brevis, capite albo,
palpis, antennis pedibusque nigris, thorace vittis quatuor nigris,
abdomine nigro fasciis tribus latis subinterruptis argento-cinereis,
alis cinereis basi nigricantibus, alulis albis.
_Female._ Cinereous, short; head white; frontalia deep black, widening
slightly towards the face, with stout bristles along each side;
facialia without bristles; epistoma not prominent; eyes bare; palpi
and legs black; antennæ reaching the epistoma; 3rd joint linear,
rounded at the tip, about four times the length of the second; arista
stout for almost one-third of the length; thorax with four black
stripes; abdomen black, nearly oval, not longer than the thorax,
with three broad slightly interrupted silvery cinereous bands; wings
cinereous, blackish at the base; veins black; præbrachial vein forming
an obtuse angle at its flexure, nearly straight from thence to its
tip; discal transverse vein curved inward towards its base, parted by
less than its length from the border, and by about its length from
the flexure of the præbrachial; alulæ white. Length of the body 2-1/2
lines; of the wings 4-1/2 lines.
111. EURYGASTER PROGRESSA, n. s. _Foem._ Fulva, capite subtus et apud
oculos albido, antennis pallide luteis apice fuscescentibus, abdomine
maculis tribus dorsalibus nigris, alis cinereis apud costam luridis
apice fuscis, halteribus testaceis.
_Female._ Tawny, with black bristles; head testaceous, whitish
about the eyes and beneath; frontalia pale luteous, widening to the
epistoma, beset with bristles along each side; facialia without
bristles; epistoma not prominent; eyes bare; antennæ pale luteous,
almost reaching the epistoma; 3rd joint linear, brownish towards the
tip; arista stout to about one-third of the length; abdomen nearly
oval, hardly longer or broader than the thorax, with three black
dorsal spots; tarsi piceous; wings grey, lurid along the costa, brown
towards the tips, except along the hind border; præbrachial vein
forming a slightly obtuse angle at its flexure, much curved inward
from thence to its tip; discal transverse vein undulating, parted by
much less than its length from the border, and by about its length
from the flexure of the præbrachial; alulæ and halteres testaceous.
Length of the body 4 lines; of the wings 7 lines.
Gen. METOPIA, _Meigen_.
112. METOPIA INSPECTANS, n. s. _Foem._ Cinerea, capite magno argenteo
subconico, facie perobliqua, thorace vittis quatuor, abdominis vitta
dorsali et segmentorum marginibus posticis nigris; alis cinereis,
alulis albis, halteribus piceis.
_Female._ Cinereous; head large, silvery, almost conical in front;
frontalia black, linear, with a few bristles along each side; face
very oblique; facialia without bristles; epistoma not prominent; eyes
bare; proboscis and palpi black, very short; antennæ extending to
the epistoma, 3rd joint linear, rounded at the tip, full six times
the length of the 2nd; arista longer than the 3rd joint; stout to
nearly half its length; thorax with four black stripes, the outer pair
interrupted; abdomen conical, not longer than the thorax, hind borders
of the segments and dorsal stripe black; legs black, rather short and
stout; wings grey; veins black; præbrachial vein forming an almost
right angle and emitting a branch at its flexure, from whence it is
slightly curved inward to its tip; discal transverse vein straight,
parted by much less than its length from the border and by very much
less than its length from the flexure of the præbrachial; alulæ white;
halteres piceous. Length of the body 3 lines; of the wings 5 lines.
113. METOPIA INSTRUENS, n. s. _Foem._ Cinerea, capite subconico
argenteo micante, facie perobliqua, palpis antennis pedibusque nigris,
thorace vittis quatuor nigris, abdomine e maculis nigris trivittato,
alis cinereis.
_Female._ Cinereous; head brilliant silvery, almost conical; face
very oblique; facialia with bristles along each side; epistoma not
prominent; eyes bare; palpi and legs black; antennæ reaching the
epistoma, 3rd joint linear, rounded at the tip, about six times
the length of the 2nd; arista longer than the 3rd, stout to about
one-third of its length; thorax with four black stripes; abdomen with
three rows of triangular black spots; wings cinereous; veins black;
præbrachial vein forming an obtuse angle, and emitting a branch at
its flexure, slightly curved inward from thence to its tip; discal
transverse vein straight, parted by more than its length from the
border and from the flexure of the præbrachial; alulæ white. Length of
the body 3 lines; of the wings 5 lines.