a 
516 Mr. J. E. Collin’s Description of Milichidae. 
shining, with violet reflections, down which runs a single row of 
short black bristles. Wings with a faint yellowish tinge and yellow 
veins. End of subcostal vein sharply marked black, emphasised 
by the fact that the costa just before the break at this point is 
produced into a black lobe. Small (discal) cross-vein opposite end 
of subcostal vein, ends of cubital and discal veins distinctly con- 
verging, and last portion of latter vein distinctly longer than 
penultimate portion. Squamae dusky with pale brown fringes. 
Halteres black with brownish-yellow stems. 
Length barely 3 mm. 
Five females. 
[All the specimens formed part of a set of ‘ absolutely 
guaranteed haunting flies,” captured in May, 1918, on the 
evidence of a letter of May 28 (see p. 445), at Moor Planta- 
tion, 8. Nigeria. These flies were haunting the carton 
nest of Cremastogaster ants as described on pp. 445-46. 
They were not seen to receive food from the ants like the 
other species here described.—EK.B.P. | 
EXPLANATION OF PLATE XIV. 
PLATE XIV. 
Farquharsonia rostrata, sp. n. 
Fie. 1. Outline of female x 33. 
2. Mouth-parts of female from in front x 40. 
3. Side view of labrum, hypopharynx, etc. x 40. 
4. One of the middle joints of male antennal flagellum, much 
enlarged. (Only one of the straight and one of the 
curved bristles figured.) 
5. One of the middle joints of female antennal flagellum, much 
enlarged. (No bristles figured.) 
. Outline of first three joints of male antenna, much enlarged. 
. Outline of terminal antennal joint of male, much enlarged. 
Bristles — on 
| basal joint of 
forceps not 
figured. 
OAD 
. Hypopygium of male from above x 60 
9. Hypopygium of male from right side x 60. 
10. Hypopygium of male from beneath x 60. | 
4) 
