by T. D. A, Cockerell. 303 
Lo 
Thorax above with fulvous hair............. nigropilosa, Friese. 
Mesothorax with mainly dark brown hair 
Ce a ie ae ere ee ett ttbee 
Se RR cc hS Sas «Ys nigropilosa, var. nigrosellata, var. nov. 
3. Hind tibiz and tarsi with black hair...... nigropilosa, Friese. 
Hing tibize and tarsi with folveus. hait.|.....<..c660c0s.eccsc. se 4. 
Hair of scutellum mainly dilute chocolate, not at all 
BW VOUS cay cg poe ee ane ates brunnescens, sp. nov. 
TETRALONIA JUNODI, Friese. 
Males, Umgwavuma, Zululand, March, 1917 (E. W. Baxter). 
The labrum is not all yellow, but black with a large pale spot. 
TETRALONIA NIGROPOLISA, Friese. 
Males from Winklespruit, January, 1919 (C. N. Barker) ; female 
from same place and collector, 29th December, 1918. 
TETRALONIA NIGROPILOSA, Var. NIGROSELLATA, var. nov. 
d-. Mesothorax and scutellum with very dark fuscous_ hair, 
giving the appearance of a black saddle; but anteriorly (widest in 
middle) the mesothorax is fulvous haired, as are the axillar region 
and the suture between mesothorax and scutellum. <A very striking 
variety, but evidently not a distinct species. 
Pinetown, 17th March, 1910 (C. N. Barker). 
TETRALONIA FULVOMARGINATA, Sp. NOV, 
9. Length about 12 mm.; tegument of the densely punctured 
clypeus all black ; tegulw testaceous ; wings brownish-hyaline ; disc 
of mesothorax and scutellum with dark fuscous hair, broadly 
surrounded by fulvous ; bases of abdominal segments with greyish- 
white tomentum ; fringe of fifth segment bright orange-fulvous, paler 
at sides; scopa of hind legs entirely golden. Extremely close to,’ 
7. braunsiana Friese, but with shorter flagellum, not red at tip; — 
and differently coloured hair on thorax, hind legs and end of 
abdomen. The basal nervure exactly meets the nervulus. 
Krantz Kloof, 2nd April, 1917 (AH. W. Bell Marley): 
