131. MUSCA SELECTA, n. s. (Gen. Lucilia, _Desv._). _Foem._
Aureo-viridis, longiuscula, capite testaceo, epistomate elevato,
palpis fulvis, antennis pallide rufis, thorace vittis tribus cupreis,
pedibus nigris, alis nigricanti-cinereis margine postico cinereo,
alulis albidis testaceo marginatis, halteribus fulvis.
_Female._ Bright golden green, rather long; head testaceous,
cinereous and with whitish hairs behind and beneath; frontalia deep
black, linear, thickly beset with bristles along each side; epistoma
prominent; palpi tawny; antennæ pale red, not near reaching the
epistoma, 3rd joint less than thrice the length of the 2nd; thorax
with three slender bright cupreous stripes; abdomen wanting; legs
black; wings blackish grey, grey along the hind border; veins black;
præbrachial vein forming a very obtuse and much rounded angle at its
flexure, slightly curved inward between the flexure and the tip;
discal transverse vein undulating, parted by more than half its length
from the border, and by much less than its length from the flexure
of the præbrachial; alulæ whitish, with testaceous borders; halteres
tawny. Length of the body 5 lines; of the wings 10 lines.
132. MUSCA SPERATA, n. s. (Gen. Lucilia, _Desv._) _Mas._
Aureo-viridis, capite nigro-cinereo, proboscide palpis antennis
pedibusque nigris, thoracis disco cupreo, alis cinereis basi et apud
costam subluridis, alulis obscure cinereis.
_Male._ Golden green; head cinereous black; eyes bare; proboscis,
palpi, and antennæ black, the latter not reaching the epistoma; disk
of the thorax bright cupreous; abdomen shorter than the thorax; legs
black; wings grey, with a lurid tinge at the base and along part of
the costa; veins black; præbrachial vein forming a rounded and very
obtuse angle at its flexure, hardly curved inward from thence to its
tip; discal transverse vein very slightly curved inward behind the
middle, parted by much less than its length from the border, and by
hardly less than its length from the flexure of the præbrachial; alulæ
dark grey. Length of the body 4 lines; of the wings 8 lines.
133. MUSCA INSCRIBENS, n. s. (Gen. Chrysomyia, _Desv._). _Foem._
Aureo-viridis, capite albo, palpis fulvis antennis piceis, abdomine
segmentorum marginibus pedibusque nigris, alis cinereis basi
nigricantibus, alulis cinereo-albis.
_Female._ Deep bright green; head white; frontalia black, linear;
palpi tawny; antennæ piceous, nearly reaching the epistoma; abdomen
almost as long as the thorax, hind borders of the segments black; legs
black; wings grey, blackish at the base; veins black; præbrachial vein
forming an obtuse and rounded angle at its flexure, hardly curved
inward from thence to its tip; discal transverse vein nearly straight,
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 with white borders, the upper pair white. Length of the body
4-1/2 lines; of the wings 8 lines.
134. MUSCA ELECTA, n. s. (Gen. Lucilia, _Desv._). _Mas et Foem._
Viridis, capite albo, palpis antennis pedibusque nigris, alis
cinereis, alulis albido-cinereis. _Foem._ Frontis lateribus nigris.
_Var. β, Mas._ Aureo-viridis.
_Male and Female._ Bright green; head white, that of the female
black and shining on each side of the broad dull black frontalia;
antennæ black, nearly reaching the epistoma; abdomen a little broader
and shorter than the thorax; legs black; wings grey; veins black;
præbrachial vein forming a very obtuse and much-rounded angle at its
flexure, almost straight from thence to the border; discal transverse
vein slightly curved inward in the middle, parted by much less than
its length from the border, and by hardly less than its length from
the flexure of the præbrachial; alulæ whitish cinereous; lower alulæ
of the male dark cinereous. Length of the body 4-1/2 lines; of the
wings 8 lines.
_Male. Var._ β. Golden-green; the four alulæ dark cinereous.
135. MUSCA FORTUNATA, n. s. (Gen. Chrysomyia, _Desv._). _Mas._
Subaurato viridis, capite albo, palpis fulvis, antennis piceis,
abdomine segmentorum marginibus posticis cyaneis, pedibus nigris, alis
obscure cinereis basi nigricantibus, alulis albidis.
_Male._ Bright green, slightly gilded; head white; eyes not
contiguous; frontalia black, narrow, linear; palpi tawny; antennæ
piceous, nearly reaching the epistoma; abdomen not longer than the
thorax, hind borders of the segments dark blue; legs black; wings dark
grey, blackish at the base; veins black; præbrachial vein forming an
obtuse and slightly-rounded angle at its flexure, almost 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
more than half its length from the flexure of the præbrachial; alulæ
whitish. Length of the body 3-3-1/2 lines; of the wings 6-7 lines.
136. MUSCA INTRAHENS, n. s. (Gen. Lucilia, _Desv._). _Foem._
Cyanescenti-viridis, capite albo, palpis antennis pedibusque nigris,
alis cinereis, alulis obscure cinereis, halteribus testaceis.
_Female._ Bright bluish green; head white; frontalia dull black;
palpi, antennæ, and legs black; abdomen not longer than the thorax;
legs black; wings grey; veins black; præbrachial vein forming a
rounded and very obtuse angle at its flexure, straight from thence to
its tip; discal transverse vein hardly bent inward, parted by more
than half its length from the border, and by about its length from the
flexure of the præbrachial; alulæ dark cinereous; halteres testaceous.
Length of the body 3 lines; of the wings 6 lines.
This species very much resembles _M. electa_, but may be distinguished
by its narrower body and by some slight differences in the veins of
the wings.
137. MUSCA OPTATA, n. s. (Gen. Pyrellia, _Desv._). _Mas._ Viridis,
capite albido, palpis antennis pedibusque nigris, alis cinereis,
alulis cinereis testaceo marginatis.
_Male._ Bright green; head whitish in front; palpi and antennæ black;
abdomen a little broader and shorter than the thorax; legs black;
wings cinereous; veins black; præbrachial vein forming a gentle curve
at the flexure, straight from thence to the tip; discal transverse
vein straight, parted by much more than half its length from the
border, and by about its length from the flexure of the præbrachial;
alulæ cinereous, with testaceous borders. Length of the body 3-3-1/2
lines; of the wings 6-7 lines.
138. MUSCA PROFERENS, n. s. (Gen. Pyrellia, _Desv._). _Mas._
Nigricanti-viridis, palpis antennis pedibusque nigris, alis cinereis,
alulis obscure cinereis, halteribus apice pallidis.
_Male._ Blackish-green, shining; eyes contiguous; palpi and antennæ
black, the latter nearly reaching the epistoma; abdomen a little
broader and shorter than the thorax; legs black; wings cinereous;
veins black; præbrachial vein forming a gentle curve at its flexure,
straight from thence to its tip; discal transverse vein straight,
parted by more than half its length from the border, and hardly more
than its length from the flexure of the præbrachial; alulæ dark
cinereous; halteres with pale knobs. Length of the body 3 lines; of
the wings 6 lines.