56 SYRPHID. 
we 
eo) 
shining black, dark reddish at the base and sides, with a dull 
black band as on the preceding segment; towards the middle it 
bears a pair of very prominent, approximated, pointed, blackish 
tubercles ; fourth segment short, reddish yellow, shining, with a 
pair of more distant, less prominent, rounded, reddish protuberances ; 
fifth segment in the shape of two scales, reddish at base and black 
at apex; genitalia hemispherical, large, bare, dark reddish above, 
yellowish below, with two appendages beneath. Venter shining 
black, much hollowed between the sternites, which are prominent 
below, forming a sort of channel. Legs entirely yellow, including 
coxe and trochanters, the femora at end and the tarsi darker, but 
not black ; all the femora are incrassated and a little bent. Wings 
wholly hyaline, vitreous, with black veins; third vein straight ; 
subcostal cell entirely blackish, the stigma therefore very con- 
spicuous, in the shape of a black line. 
Female. Head as in the male; frons broad, shining black on the 
vertical half, from which begins a broad black stripe which goes to 
the base of the antenne, becoming reddish in front. Thorax and 
scutellum as in the male, the dorsum blacker. Abdomen narrow 
and elongate ; first and second segments wholly black, shining ; the 
others dark reddish, shining, with bluish reflexions, erat any 
trace of the protuberances of the male; last segment black; venter 
reddish. Legs and wings as in the male. 
Type 3 and type @, a single couple, from Durban, 1. 1902 
CF. Muir). 
Genus 7. KANTHOGRAMMA, Schiner (1860). 
I have placed in this genus, taken in a broader sense, the species 
which cannot remain in Syrpius, on account of the complete bright 
yellow lateral stripes of the thorax, nor in Spherophoria, on 
account of the different abdomen and genitalia. They can be best 
included provisionally in the present genus, though having a slightly 
different facies from the typical species, chiefly on account of the 
abdomen being not so broad. The recently erected genus Jschi- 
odon, Sack (1913) applies to the species of the group scutellare- 
egyptium; this name ean perhaps be used for all the species men- 
tioned below : 
1 (2) Third antennal joint ovate, elongate ; 
front cox meinly black ; <ellow lateral 
stripe on thorax passing the suture, but 
not reaching the scutellum; hind tro- 
chanters of the male with a strong spine 
and front tarsi with the internal claw 
bifid at end (Ischtodon) ........4. wee. egyptium, Wied. 
2 (1) Third antennal joint rounded, short; front 
coxee wholly yellow; lateral yellow 
stripe on the thorax complete, reaching 
to the sentellum ; hind trochanters and 
fore tarsi of male simple. 
