70 SYRPHID®. 
descending, entirely reddish; face bare, with only short and sparse 
incumbent white hairs; antenne yery short and small, pale yellow- 
ish, the two basal joints darker; arista wanting, but probably 
short plumose at the base; eyes bare, small, ate four indistinct 
horizontal dark bands ; proboscis black; posterior orbits towards 
the middle silvery shining ; face without distinct oblique ridges 
below. Thorax dull Tinele, on the back, clothed with very pews 
black hairs, appearing bare; a lateral stripe connecting the humeri 
with the scutellum is dark red; pleurz entirely reddish yellow, 
with rather long and dense golden or reddish hairs ; subalar callosity 
dark cochineal-red; in front of the scutellum there is a broad dark 
red spot. Scutellum dark red, almost bare, rectangular, margined 
behind; metanotwn reddish yellow; squamulee black and biaeke 
fringed ; halteres dark yellow, with brown knobs. Abdomen 
almost as bare as the thorax, but fringed on the sides with short 
golden-yellow hairs; first segment entirely yellowish red; second 
reddish, darkened on the sides towards the hind margin, shining on 
the sides and dull in the middle, where there is a large out 
prominent tubercle, which is dull velvety black on the fore two- 
thirds and shining red on the hind third ; third segment reddish, 
strongly shining on the sides, where it is margined with black, dull 
and dark in thie middle, with three reddish shining bulle, and in 
addition two shining lunate swellings on the hind margin, making 
in all five bull on ae segment alone ; fourth segment with three 
bulle, and margined with black ; fifth almost entirely shining 
black. Venter y Ale. dark grey in the middle, clothed with sparse 
vellowish hair. Coxe aes femora red, the latter black at the 
tips; tibie black, broadly white at the base, silvery shining, at 
any rate in the case of the first two pairs; tarsi entirely black ; 
the legs are shining, almost bare. Wings hyaline, without any 
pubescence ; the extreme base 1s ibhiche from which a small 
infuscation passes to the basal cells. the first being entirely in- 
fuscated ; the subcostal cell in its entirety and the extreme tip of 
the edbmirennal cell are blackened, forming a narrow black fore 
border; of the two middle cross-bands, the first runs obliquely to 
the end of the cross-vein closing the second basal cell, the second 
includes the middle cross-vein, ‘ending at the fourth longitudinal 
vein; kink in the third vein appendiculate ; lower angle of the 
discal cell without an appendix. 
Type Q,asingle specimen from German East Africa, Usambara, 
Neuelo (Rolle). 
1 have in my own collection a second specimen from the same 
locality, which was presented to me by Herr Kréber, of Hamburg, 
in whose honour the species is named. 
64. Phytomia neavei, sp. n. 
Very like the preceding, but smaller, with entirely red legs and 
differently coloured abdomen and wings; perhaps only a a variety of 
the foregoing. 
