86. Eristalis crassus, _Fabr. Ent. Syst._ IV. 281, 12. Inhabits
also Hindostan.
87. Eristalis Æsepus, _Wlk. Cat. Dipt._ pt. 3, 625. Inhabits
also China.
88. ERISTALIS BOMBOIDES, n. s. _Mas._ Ater, capite albo, arista nuda,
thorace pubescente fascia cinerea fasciaque chalybeo-nigra, pectore
cinereo, abdomine fasciis quatuor chalybeo-nigris, vittis duabus
ventralibus latis albidis; tibiis basi flavis, alis nigricante-fuscis
cinereo marginatis, halteribus flavis.
_Male._ Deep black; head with black hairs on the front and with white
tomentum in front and behind; arista simple; thorax thickly pubescent,
having in front a cinereous band which is tawny on each side, and
a chalybeous black hinder band; scutellum chalybeous-black; pectus
cinereous; abdomen with four chalybeous-black bands; the 1st widely
interrupted; under side with a broad short whitish stripe on each side;
hind (and anterior?) tibiæ yellow at the base; wings blackish-brown,
cinereous towards the tips and along the hind border; veins black;
halteres yellow. Length of the body 5-1/2 lines; of the wings 11
lines.
Gen. HELOPHILUS, _Meigen_.
The two following _Helophili_ may be merely varieties of _H.
quadrivittatus_.
89. HELOPHILUS CONSORS, n. s. _Mas._ Niger, thorace vittis quatuor
flavis, scutello luteo, abdomine vittis tribus luteis tribusque
chalybeis, tibiis basi luteis, femoribus posticis incrassatis, alis
cinereis apud costam fuscescentibus, halteribus flavis.
_Male._ Black; thorax with four yellow stripes; scutellum luteous;
pectus cinereous; abdomen with three luteous bands and with four
chalybeous bands; 1st luteous band interrupted, very broad; 3rd and 4th
slightly excavated on the hind side; tibiæ luteous towards the base;
hind femora incrassated; hind tibiæ curved; wings cinereous, brownish
along the costa; veins black; halteres yellow. Length of the body 5
lines; of the wings 9 lines.
90. HELOPHILUS CONCLUSUS, n. s. _Mas._ Niger, capite albo, antennis
rufescentibus, arista nuda, thorace vittis quatuor flavis, scutello
fulvo, abdomine fasciis quatuor lineaque transversa flavis fasciaque
chalybea, pedibus nigro-luteis, tarsis nigris, alis cinereis apud costam
subfuscis, halteribus flavis.
_Male._ Black; head white, with a black callus above the antennæ, which
are reddish; arista simple; proboscis black; thorax with 4 yellow
stripes; scutellum tawny; pectus with a broad oblique pale yellow band
on each side; abdomen with 4 yellow bands; 1st and 2nd bands very
broad; 1st interrupted; 2nd interrupted except in front, where there is
a yellow transverse line; 3rd and 4th narrow, with a chalybeous band
along the hind border of the 3rd; legs luteous, shaded with black; tarsi
wholly black; wings grey, slightly brown along the costa; veins black,
tawny towards the base; halteres yellow. Length of the body 5 lines; of
the wings 9 lines.