SYRPHUS.—SPH PROPHORIA. ao 
not reaching the sides and uniting in the middle, forming there- 
fore a semilunar band, which is emarginate in the middle ; fifth 
entirely black, with an indistinct lateral yellowish spot; genitalia 
shining black ; venter yellow, dark at the apex, smooth ick shining 
in es middle, where it is bare. Legs yellow, including the om 
coxe ; tarsi dark at the apex; hind legs with the femora ad tibise 
broadly black. Wings greyish hyaline, with the mediastinal cell 
wholly dark vellow, without a darkened stigma. 
Type 3, from the Cape (ex coll. W. W. Saunders). 
Genus 6. SPHASROPHORIA, S/. Fargeau (1825). 
This is the first time that this genus has been recorded from the 
Kthiopian Region. 
530. Spherophoria quadrituberculata, sp. n. 
3 2. Length of male 9 mm., of female 7 mm. 
A somewhat aberrant species, distinguishable from any other in 
the genus by the abdomen bei eng wiehont yellow bands and, in the 
male sex, provided with four very prominent tubercles, which reeall 
those of the female of the Neotropic ‘al erochordonodes dentipes, 
but ave even more prominent. 

Fig. 6. —Sphexrophoria quadrituberculata, sp. 2. 
Abdomen of ¢ from the right side. »x 12. 
Male. Head black, shining on the vertical triangle ; frons and face 
yellow, unspotted, with short and soft white hair; peristoma narrow, 
yellow; facial tubercle a little more prominent than the antennal 
one; eyes bare, the line of contaet much shorter than the vertical 
triangle ; antenne short, wholly yellow, the third joint rounded, 
with a blac kish arista ; postocular fringe very short and sparse, 
dark and a little longer above ; posterior orbits silvery in the 
middle. Thorax shining neous, clothed with erect grey hair; 
lateral yellow stripe running from the humeri to the suture: 
pleure greyish, with opalescent reflexions and sparse hair, meso- 
and metapleure yellow.  Scutellum yellow, with pale hair. 
Squamule small, whitish, with a short fringe; halteres yellow. 
Abdomen cylindrical, very narrow, with rather long but sparse 
greyish hair; first segment shining black ; second very long, 
shining black, reddish towards the sides, with a narrow dull blac k 
transverse band a little behind the middle; third a little shorter, 
DZ 
