32. TABANUS SUCCURVUS, n. s. _Foem._ Nigricanti-fuscus, capite
ferrugineo, callo longo lanceolato gracillimo, palpis piceis, antennis
nigris, segmentorum abdominalium marginibus posticis subpallidioribus,
tibiis subtus rufescenti-piceis, alis obscure cinereis apud venas
fuscescentibus.
_Female._ Blackish brown. Head ferruginous, with a long lanceolate and
very slender callus between the nearly contiguous eyes; under side
clothed with black hairs. Proboscis black. Palpi piceous. Antennæ
black; 3rd joint with a small horn. Hind borders of the abdominal
segments slightly paler in the middle. Tibiæ reddish piceous beneath.
Wings dark grey, brownish about the veins towards the base; veins
black, piceous towards the base; fore branch of the cubital vein
simple, nearly straight; halteres ferruginous, with luteous knobs.
Length of the body 11 lines; of the wings 22 lines.
33. TABANUS FACTIOSUS, n. s. _Foem._ Nigricanti-fuscus, capite
testaceo, callo nigro gracili lanceolato, palpis piceis, thorace
cinereo, abdomine rufescenti-piceo, maculis dorsalibus trigonis
albidis, segmentorum ventralium marginibus posticis testaceis.
_Female._ Blackish brown. Head with testaceous tomentum and with a
slender lanceolate black callus between the eyes. Proboscis black;
palpi piceous. Antennæ with a very small horn. Thorax with cinereous
down; pectus paler and more thickly clothed with paler down. Abdomen
reddish piceous, with a whitish triangular spot on the hind border
of each segment; hind borders of the ventral segments testaceous.
Legs piceous; femora black; tibiæ tawny beneath. Wings grey, with a
brownish tint in front; veins black, ferruginous towards the base;
fore branch of the cubital vein simple, nearly straight; halteres
ferruginous, with whitish-yellow knobs. Length of the body 10 lines;
of the wings 22 lines.
34. TABANUS REDUCENS, n. s. _Foem._ Cinereo-niger, capite albido,
callo nigro longo clavato, palpis albidis, antennis nigris vix
dentatis, thorace vittis quatuor cinereis, abdomine vittis tribus
albidis, segmentis ventralibus albido marginatis, tibiis fulvis apice
nigris, alis cinereis striga subcostali nigricante, halteribus piceis
apice testaceis.
_Female._ Cinereous black. Head whitish, clothed with white hairs
beneath; callus black, long, clavate; palpi whitish; antennæ black,
with an extremely small tooth; thorax with four cinereous stripes;
pectus cinereous; abdomen with three whitish stripes, the dorsal
one much more conspicuous than the lateral pair; hind borders of
the ventral segments whitish; tibiæ tawny with black tips. Wings
cinereous, with a blackish subcostal streak; veins black; fore branch
of the cubital vein simple, nearly straight; halteres piceous, with
luteous knobs. Length of the body 10 lines; of the wings 20 lines.
35. TABANUS SPOLIATUS, n. s. _Mas._ Cinereo-niger, albido tomentosus,
capite cinereo, palpis testaceis, antennis nigris basi rafescentibus
vix dentatis, thoracis lateribus fulvescentibus, abdomine rufescente
maculis dorsalibus trigonis albidis, segmentis ventralibus albido
marginatis, tibiis rufescentibus nigro lineatis, alis cinereis apud
costam fuscescentibus, halteribus albidis.
Allied to T. UNIVENTRIS and to T. INTERNUS, but distinct.
This may prove to be the male of _T. reducens_, though it is very
different in appearance. _Male._ Cinereous black, with whitish
tomentum, which is visible when viewed horizontally; head cinereous;
palpi testaceous, very short; antennæ black, reddish at the base, with
an extremely small tooth; thorax dull-tawny along each side; abdomen
reddish, with a small triangular whitish spot on the hind border of
each segment; hind borders of the ventral segments whitish; tibiæ
reddish with a black line; wings cinereous, brownish along the costa;
veins black, ferruginous at the base; fore branch of the cubital vein
simple, nearly straight; halteres whitish. Length of the body 9 lines;
of the wings 16 lines.
36. TABANUS IMMIXTUS, n. s. _Foem._ Cinereo-niger, capite albido,
callo nigro longo angusto sublineari, palpis albidis, antennis nigris
basi rufis vix dentatis, abdomine ferrugineo apice nigro maculis
trigonis marginibusque posticis testaceis, tibiis fulvis, alis
cinereis apud costam subluridis, halteribus testaceis.
_Female._ Cinereous black; head whitish; callus long, black, slender,
nearly linear; palpi whitish; antennæ black, red at the base; tooth
extremely small and obtuse; abdomen ferruginous, black towards
the tip; each segment with a triangular spot and the hind border
testaceous; tibiæ tawny; wings cinereous, slightly lurid along the
costa; veins black, ferruginous at the base; halteres testaceous.
Length of the body 6 lines; of the wings 12 lines.
37. TABANUS FLEXILIS, n. s. _Foem._ Cinereus, testaceo tomentosus,
callo nigro longo gracillimo, palpis testaceis, antennis ochraceis
subdentatis apice nigris, abdomine ferrugineo fusco maculis dorsalibus
trigonis marginibusque posticis testaceis, tibiis basi fulvis,
alis cinereis apud costam subluridis fusco bifasciatis, halteribus
testaceis apice albis.
_Female._ Cinereous, with testaceous tomentum; head with a black,
long, extremely slender callus; palpi testaceous; antennæ ochraceous,
with black tips and with a very small black tooth; pectus whitish;
abdomen ferruginous brown; each segment with a large triangular spot
and with the hind border testaceous; tibiæ tawny towards the base;
wings cinereous, somewhat lurid along the costa, with two irregular
brown bands; 1st band short, discal, 2nd abbreviated hindward; veins
black, ferruginous at the base; fore branch of the cubital vein
simple, nearly straight; halteres testaceous with white tips. Length
of the body 8 lines; of the wings 16 lines.
Gen. CHRYSOPS, _Meigen_.