150. SPILOGASTER XANTHOCERAS, n. s. _Foem._ Alba, capite argenteo,
palpis pedibusque nigris, antennis pallide testaceis basi nigris,
thoracis fascia lata scutelloque nigris, thorace vitta fasciisque
duabus nigris, alis cinereis apud costam subluridis.
_Female._ White; head silvery white; frontalia broad, deep black;
proboscis, palpi, and legs black; antennæ pale testaceous, reaching
the epistoma, black at the base, 3rd joint about four times the length
of the 2nd; thorax with a broad black band; scutellum black; abdomen
cinereous, elongate, with a slender black stripe and with two black
bands; wings cinereous, with a lurid tinge along the costa; veins
black, tawny towards the base; discal transverse vein bent inward
towards the base, parted by hardly more than its length from the
præbrachial transverse, and by much less than its length from the
border; alulæ white. Length of the body 3-1/2 lines; of the wings 7
lines.
Gen. ANTHOMYIA, _Meigen_.