_Foem.?_ Lutea, crassa, lata, pubescens, vertice et epistomatis linea
nigris, thoracis maculis duabus, disco postico, scutelli pectorisque
discis cupreo-nigris, abdomine fasciis tribus nigris, femoribus
anterioribus tibiisque nigro fasciatis.
_Female?_ Luteous, pubescent, broad, thick; vertex black; epistoma
conical, forked at the tip, with a black line; proboscis longer than the
thorax, black towards the base; arista plumose; two large spots on the
thorax, its disk hindward, disk of the scutellum and disk of the pectus
cupreous black; abdomen highly arched, with three black bands which are
produced and slightly interrupted in the middle; apical band very broad;
tibiæ and anterior femora with black bands; wings with a luteous stigma.
Length of the body 5 lines; of the wings 8 lines.