100. MASICERA DOTATA, n. s. _Foem._ Cinerea, capite albo, frontalibus
atris, oculis nudis, proboscide palpisque fulvis, thorace vittis
quatuor nigris, abdomine longi-elliptico fasciis cinereis, alis luridis
angustis, dimidio apicali obscure fusco, margine postico cinereo,
halteribus testaceis.
_Female._ Cinereous, beset with numerous long stout black bristles;
head white, clothed behind and beneath with white hairs; frontalia deep
black, slightly widening towards the face, with stout bristles along
each side; facialia without bristles except by the epistoma, which is
not prominent; eyes bare; proboscis and palpi tawny; antennæ nearly
reaching the epistoma; 3rd joint slightly broader towards the tip, which
is rounded, about four times the length of the 2nd; arista stout at
the base, very much longer than the 3rd joint; thorax with four black
stripes; abdomen elongate-elliptical, its bristles stouter than those of
the thorax; a cinereous band along the fore-border of each segment; lips
black, stout, bristly; wings lurid, narrow, dark brown on the exterior
half, cinereous along the hind border; veins tawny, black exteriorly;
præbrachial vein extending rather beyond the slightly acute angle
which it forms at its flexure, much curved inward from thence to its
tip; discal transverse vein undulating, parted by rather less than its
length from the border and from the flexure of the præbrachial; alulæ
cinereous; halteres testaceous. Length of the body 6 lines; of the wings
12 lines.
101. MASICERA HORRENS, n. s. _Foem._ Albido-cinerea valde setosa,
capite albo, facie obliqua, oculis pubescentibus, thorace vittis
quatuor nigris, abdomine subfusiformi spinoso fasciis tribus latis
subinterruptis albidis, alis cinereis basi et apud costam subfuscis,
alulis albido-cinereis.
_Female._ Whitish cinereous, thickly beset with long stout black
bristles; head white, clothed behind and beneath with white hairs;
frontalia deep black, hardly widening towards the face, with bristles
along each side and beyond it; face oblique; facialia with bristles
along nearly two-thirds of the length; epistoma not prominent; eyes
pubescent; palpi black, rather long; antennæ nearly reaching the
epistoma; 3rd joint linear, rounded at the tip, full four times the
length of the 2nd; arista very much longer than the 3rd joint, stout
for more than one-third of its length; thorax with four black stripes;
abdomen nearly fusiform, more spinose than bristly, with three broad
slightly interrupted whitish bands on the fore borders of the segments;
legs black, stout, bristly; wings grey, slightly brown at the base
and along the costa; veins black; præbrachial vein forming a somewhat
rounded right angle at its flexure, near which it is much curved inward
and is thence straight to its tip; discal transverse vein undulating,
parted by about its length from the border and by much less than its
length from the flexure of the præbrachial; alulæ whitish cinereous.
Length of the body 7 lines; of the wings 12 lines.
102. MASICERA IMMERSA, n. s. _Foem._ Albido-cinerea, capite argenteo,
oculis nudis, palpis, antennis pedibusque nigris, thorace lineis quatuor
nigris, abdomine nigro fasciis tribus latis interruptis cinereis, alis
cinereis, alulis albido-cinereis albo marginatis.
_Female._ Whitish cinereous, with a few black bristles; head silvery
white, with white hairs behind and beneath; frontalia black, widening
towards the face, with a row of bristles along each side; facialia
without bristles; epistoma not prominent; eyes bare; palpi black;
antennæ not 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 3rd joint; thorax with four slender black lines; abdomen
black, conical, not longer than the thorax, with three broad interrupted
cinereous bands along the fore borders of the segments; legs black,
stout; wings grey; veins black; præbrachial vein forming a slightly
rounded and obtuse angle at its flexure, from whence it is slightly
curved inward to its tip; discal transverse vein slightly undulating,
parted by much less than its length from the border and from the flexure
of the præbrachial; alulæ whitish cinereous with white borders. Length
of the body 4 lines; of the wings 7 lines.
103. MASICERA PROGNOSTICANS, n. s. _Foem._ Cinerea, gracilis, capite
albo, abdomine nigro cylindrico fasciis albis, alis cinereis, alulis
halteribusque albis.
_Female._ Cinereous, slender; head white; frontalia deep black, linear,
with stout bristles along each side; facialia without bristles; epistoma
not prominent; eyes bare; palpi short, slender; antennæ reaching the
epistoma; 3rd joint linear, rounded at the tip, about six times the
length of the 2nd; arista rather slender, not much longer than the 3rd
joint; abdomen black, cylindrical, very much longer than the thorax,
with a white band on the fore border of each segment; wings cinereous;
veins black; præbrachial vein forming a slightly rounded and extremely
obtuse angle at the flexure, straight from thence to the tip; discal
transverse vein straight, parted by about its length from the border,
and by much less than its length from the flexure of the præbrachial;
alulæ and halteres white. Length of the body 2-1/2 lines; of the
wings 4-1/2 lines.