296 N atal Bees 
of postcutellum with red hair; stigma not so dark; second sub- 
marginal cell smaller; abdomen dull, the first segment (except 
depressed margin) entirely dull and impunctate. 
Durban, 11th March, 1917 (E. C. Chubb). 
The following key separates the species of Momia in the last 
sending : 
Aibdomen“imainly or wholly red! Se... saan. eerie eee ile 
Abdomen not red (very dark reddish in strenwa)............. 4. 
1. Abdomen very coarsely punctured, at least on first two 
SEOMOMUS 3: cee eee ance ela. cee: weenie iter ae eRe eee tactae 2. 
Abdomen: finely punctured 25 gsc acter eee eee peers 3. 
2. Anterior wing about 10 mm. long; hind basitarsi of ¢ red. 
(Winklespruit, Natal, 31st December, 1918, C. N. Barker). 
Raa Ne ek i gs SM OAR DE et tees Baer Ae BA ohn EOS & rubella, Smith. 
Anterior wing about 7°5 mm. long; ¢@. Durban, 10th 
February, 1918, C. N. Barker; Bluff, Durban, 20th 
March, 1917, C. N. Barker)....serratula, Smith (variety). 
3. Larger; wings strongly reddened. ........ erythroptera, sp. Nov. 
Smaller ; wings grey (Winklespruit, 4th January, 1919, 
31st December, 1918; Durban, 4th May, 1918; Bluff, 
Durban, 28th January, 1917 ; all C. N. Barker............ 
ee hE MER CAEL Meera ai hota may (70 FI7e Alsi til 3 €0) 
4, Larger species ; anterior wing 10-11 mm..................... 5. 
Smaller ieee cor aceen baste cee cat ek cheese cine oe sd cach eens seein 6. 
5. Hind margins of abdominal segments with broad ivory- 
color or yellowish tegumentary bands; males. (Krantz 
Kloof, 14th February, 1917, H. W. Bell Marley; St. 
Lucia Bay, Zululand, November, 1918, H. W. Bell 
Hind margins of abdominal segments dark ; apical joint of 
male antenne enlarged............... .....strenwa, Cameron 
6. Small slender species, expanse about 14 mm.; base of 
abdomen very strongly punctured....................0se0e0s i 
Otherwise :...02/ 5305: 9e So sees tere eels Ge Ue eee se 8. 
7. Tegule small and black (Umbilo, 4th February, 1917, L. 
Bevis; Durban, Ist April, 1917, C. N. Barker)............ 
serratula, Smith. 
