Gen. DISCOCEPHALA, _Macquart_.
40. DISCOCEPHALA PANDENS, n. s. _Mas._ Picea, proboscide palpisque
nigris, pectore thoracisque lateribus albidis, abdomine subtus pallide
cinereo maculis lateralibus nigris, pedibus fulvis, genibus nigris,
tarsis piceis, alis fuscescentibus cinereo strigatis et marginatis,
halteribus albidis. _Foem._ Abdomine fulvo, alis cinereis.
_Male._ Piceous; front facets of the eyes large; proboscis and palpi
black; mystax with four bristles; pectus and sides of the thorax
whitish; abdomen beneath pale-cinereous, with black shining spots
along each side; legs tawny; trochanters and knees black; tarsi
piceous; wings brownish, cinereous along the hind border, and with
cinereous streaks in the disks of the areolets; halteres whitish.
_Female._ Abdomen and halteres tawny; wings cinereous. Length of the
body 4-5 lines; of the wings 10-12 lines.