24. NERNA IMPENDENS, n. s. _Mas et Foem._ Nigra, cinereo-subtomentosa,
antennis tarsis posterioribus halteribusque testaceis, tarsi anticis
tibiisque piceis, alis cinereis apud costam exteriorem nigricantibus.
_Male and Female._ Black, with very slight cinereous pubescence.
Antennæ, posterior tarsi, and halteres testaceous; tibiæ and fore
tarsi piceous. Wings cinereous, blackish along the exterior part of
the costa; veins and stigma black. Length of the body 3-1/2 lines; of
the wings 6 lines.
Gen. SOLVA, n. g.
_Corpus_ lineare. _Proboscis_ lanceolata. _Palpi_ porrecti, lineares,
caput non superantes, _Antennæ_ lanceolatæ. _Scutellum_ inerme,
_Abdomen_ thorace longius. _Pedes_ breviusculi, femoribus posticis
incrassatis subserratis. _Alæ_ sat angustæ.
Body linear. Head not broader than the thorax. Proboscis lanceolate.
Palpi porrect, linear, rounded at the tips, not extending beyond the
head. Antennæ lanceolate, shorter than the breadth of the head; joints
indistinct. Thorax with a humeral callus and a linear callus on each
side. Scutellum unarmed. Abdomen rather longer than the thorax. Legs
rather short; hind femora incrassated, minutely serrated beneath;
hind tibiæ very slightly curved, applied to the femora. Wings rather
narrow; 1st and 2nd cubital veins rather long; length of the discal
areolet more than thrice its breadth; 3rd and 4th externo-medial veins
connected towards the border; anal and subanal veins connected at some
distance from the border.
25. SOLVA INAMOENA, n. s. _Foem._ Cinereo-nigra, palpis, thoracis
callis, scutello, abdominis lateribus, ventre pedibusque testaceis,
antennis testaceis apice nigris, abdominis segmentis testaceo
marginatis, alis subcinereis.
_Female._ Cinereous black. Mouth, palpi, calli of the thorax,
scutellum, abdomen beneath and along each side except at the base,
legs, and halteres testaceous. Antennæ testaceous except towards
the tips. Hind borders of the abdominal segments testaceous. Wings
greyish; veins black, testaceous towards the base. Length of the body
2-1/2-3 lines; of the wings 5-6 lines.
Gen. AMPSALIS, n. g.
_Foem. Corpus_ elongatum, sublineare. _Antennæ_ filiformes;
flagellum lineare. _Thorax_ longi-ellipticus; scutellum bispinosum.
_Abdomen_ ellipticum, thorace paullo latius non longius. _Pedes_
longiusculi. _Alæ_ angustæ.
_Female._ Body elongate, nearly linear. Head a little broader than
the thorax. Eyes prominent. Palpi very short. Antennæ filiform, much
longer than the breadth of the head; flagellum linear, about twice the
length of the scape; joints indistinct. Thorax elongate-elliptical;
scutellum armed with two obliquely ascending spines. Abdomen
elliptical, a little broader but not longer than the thorax. Legs
rather long. Wings narrow; 1st cubital vein about one-fourth the
length of the 2nd; four externo-medial veins complete; subanal vein
curved, joining the anal vein at some distance from the border; discal
areolet elongated and attenuated exteriorly; exterior side very short.
26. AMPSALIS GENIATA, n. s. _Foem._ Ferrugineo-fusca, antennis nigris
basi fulvis, thorace vittis duabus testaceis, scutello testaceo, apice
spinisque et pectoris disco nigris, abdomine nigro, basi vittis duabus
interruptis lateralibus pedibusque testaceis, alis cinereis apices
versus fuscescentibus.
_Female._ Ferruginous brown. Antennæ black, tawny towards the base.
Thorax with two testaceous stripes; scutellum testaceous; tip and
spines black. Disk of the pectus black. Abdomen black; base and an
interrupted stripe along each side testaceous. Legs and halteres
testaceous. Wings grey, brownish in front towards the tips; veins
black, testaceous at the base; stigma testaceous. Length of the body 6
lines; of the wings 11 lines.
Gen. TRACANA, n. g.
_Mas et Foem. Corpus_ elongatum. Proboscis lanceolata. _Antennæ_
graciles, filiformes, capite transverso vix breviores. _Thorax_
longi-ellipticus; scutellum bispinosum. _Abdomen_ thorace paullo
longius et latius. _Pedes_ longiusculi. _Alæ_ non latæ.
_Male and Female._ Body elongate. Head rather broader than the fore
part of the thorax. Mouth lanceolate; palpi very short. Antennæ
slender, filiform, about as long as the breadth of the head; 3rd joint
long; 4th and following joints shorter. Thorax elongate-elliptical,
with a distinct linear callus along each side; scutellum armed with
two obliquely ascending spines. Abdomen elongate-elliptical, most
attenuated towards the base, a little broader and longer than the
thorax. Legs rather long. Wings long, not broad; 1st subcubital vein
hardly one-third the length of the 2nd; four externo-medial veins
complete; subanal vein curved, joining the anal vein near the border;
discal areolet oblong, narrower exteriorly; exterior side very short.
27. TRACANA ITERABILIS, n. s. _Mas et Foem._ Cinereo-nigra, capite
antico fulvo, antennis albido-flavis basi nigricantibus, pedibus
fulvis, tibiis posticis femoribusque nigro-fuscatis, alis cinereis
apices versus nigricantibus. _Mas._ Abdomine fulvo maculis lateralibus
nigris. Foem. Abdominis basi lateribusque fulvis.
_Male and Female._ Cinereous black. Head in front and calli of the
thorax tawny. Antennæ whitish yellow, blackish at the base. Legs
tawny; femora and hind tibiæ banded with black. Wings grey, blackish
towards the tips; vein black; halteres tawny. _Male._ Abdomen tawny,
with some black spots on each side. _Female._ Abdomen tawny at the
base and along each side. Length of the body 5 lines; of the wings 10
lines.
Gen. ROSAPHA, n. g.
_Mas et Foem. Corpus_ angustum, elongatum, lineare. _Antennæ_
graciles, filiformes, capite transverso longiores; articulus 3^{us}
fusiformis. _Scutellum_ spinis duabus longis acutis armatum. _Abdomen_
thorace vix longius aut latius. _Pedes_ breves. _Alæ_ angustæ.
_Male and Female._ Body narrow, elongated, linear. Mouth and palpi
extremely short. Antennæ slender, filiform, longer than the breadth
of the head; 3rd joint long, fusiform; joints of the flagellum
indistinct. Thorax nearly linear, a little narrower in front;
scutellum armed with two long, acute, hardly ascending spines. Abdomen
subfusiform, narrowest towards the base, very little broader and
longer than the thorax. Legs short. Wings narrow; 1st cubital vein
nearly half the length of the 2nd; three complete externo-medial
veins; subanal vein curved, joining the anal vein at some little
distance from the border; discal areolet oblong; exterior side short.
28. ROSAPHA HABILIS, n. s. _Mas et Foem._ Fulva, capite antennisque
nigris, his basi fulvis, thoracis macula antica elongata, spinis
apice, tibiis posticis apices versus tarsisque anterioribus nigris,
tarsis posticis albis apice nigris, alis cinerascentibus apices versus
nigris. _Foem._ Abdomine supra nigro, basi lateribusque fulvis.
_Male and Female._ Tawny. Head black, white beneath along the eyes.
Antennæ black; 1st, 2nd, and 3rd joints tawny. Thorax with an
elongated black spot in front; spines of the scutellum black towards
the tips. Hind tibiæ towards the tips and anterior tarsi black; hind
tarsi white with black tips. Wings greyish, blackish in front towards
the tips; veins black, tawny at the base; stigma ferruginous brown.
_Female._ Abdomen black above, except at the base and along each side.
Length of the body 3-1/2 lines; of the wings 7 lines.
Gen RUBA, n. g.
_Foem. Corpus_ breve, crassum, latum. _Caput_ parvum. _Antennæ_
capite transverso vix breviores. _Scutellum_ inerme. _Abdomen_
globosum, thorace valde latius. _Pedes_ breves. _Alæ_ mediocres.
_Female._ Body thick, short, broad. Head much narrower than the
thorax. Proboscis and palpi very short. Antennæ nearly as long as the
breadth of the head; 3rd joint broader and longer than the flagellum,
of which the joints are short, compact, and minutely setulose. Thorax
a little longer than broad; scutellum unarmed. Abdomen globose, very
much broader and a little longer than the thorax. Legs short. Wings
moderately broad; 1st cubital vein not one-third of the length of
the 2nd; four complete externo-medial veins; subanal vein curved,
joining the anal vein at some distance from the border; discal areolet
elongated exteriorly, irregularly triangular; exterior side very short.
29. RUBA INFLATA, n. s. _Mas._ Testacea, valde pubescens, capite
subtus guttis duabus nigris, alis subcinereis apices versus
fuscescentibus, stigmate flavescente.
_Male._ Testaceous. Head with a black dot on each side of the mouth.
Flagellum of the antennæ black. Thorax and abdomen very pubescent.
Wings slightly greyish, brownish towards the tips, and especially
so in front; veins black, testaceous at the base; stigma yellowish.
Length of the body 4 lines; of the wings 7 lines.
Gen. TINDA, n. g.
_Foem. Corpus_ longiusculum, depressum. _Caput_ oblongum, margine
postico elevato. _Antennæ_ capite transverso vix breviores; articulus
3^{us} fusiformis; flagellum compressum, lanceolatum. _Scutellum_
spinosum. _Abdomen_ ellipticum, thorace latius non longius. _Pedes_
breves, graciles. _Alæ_ angustæ.
_Female._ Body somewhat elongated and depressed. Head somewhat oblong;
eyes nearly contiguous in front, diverging hindward, where there is an
elevated margin. Mouth and palpi very short. Antennæ nearly as long as
the breadth of the head; 3rd joint fusiform, fully half the length of
the flagellum, which is compressed and lanceolate, and with indistinct
joints. Thorax slightly widening hindward; scutellum with six ? very
minute spines. Abdomen elliptical, broader but not longer than the
thorax. Legs short, slender. Wings narrow; 1st cubital vein less than
one-third the length of the 2nd; three complete externo-medial veins;
subanal vein joining the anal vein at some distance from the border;
discal areolet elongated, its exterior side very short.
30. TINDA MODIFERA, n. s. _Foem._ Nigra, antennis basi testaceis,
pedibus testaceis, femoribus posterioribus supra obscurioribus, alis
cinereis costam versus subnigricantibus.
_Female._ Black, hardly shining. Antennæ testaceous towards the base.
Legs testaceous; posterior femora somewhat darker above, except
towards the base. Wings grey, slightly blackish along most of the
costa; veins black; halteres testaceous. Length of the body 3 lines;
of the wings 5 lines.
Gen. SARUGA, n. g.
_Mas. Corpus_ contractum, breve, latum, crassum. _Vertex_ gibbosus.
_Oculi_ magni. _Antennæ_ brevissimæ; articulus 3^{us} rotundus; arista
apicalis, gracillima. _Thorax_ gibbosus; scutellum elevatum, conicum,
postice productum. _Abdomen_ transversum, thorace brevius. _Pedes_
breves, graciles, simplices. _Alæ_ breviusculæ.
_Male._ Body contracted, short, broad, thick. Head almost as broad as
the thorax; vertex gibbous; eyes large, bare; mouth extremely short
and small; antennæ very short, 3rd joint round; arista apical, very
slender, a little longer than the antennæ; thorax gibbous; scutellum
very gibbous, forming an upright cone, somewhat gibbous and conical
hindward, where it is horizontal; abdomen a little broader than long,
much shorter than the thorax; legs short, slender, simple; wings
rather short; veins in structure like those of _Oxycera_.
31. SARUGA CONIFERA, n. s. _Mas._ Anthracina, antennis pedibusque
albido-testaceis, thorace maculis duabus magnis flavo-tomentosis,
femoribus nigris, genibus fulvis, alis albidis.
_Male._ Coal-black; antennæ and legs whitish testaceous; thorax with
a large yellow tomentose spot on each side in front of the scutellum;
femora black; knees tawny; wings whitish vitreous; veins and stigma
whitish testaceous, the former black towards the base. Length of the
body 2-1/2 lines; of the wings 5 lines.
Fam. TABANIDÆ, _Leach_.