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f. W. EDWARDS — REVISED KEYS TO THE 



2. Anal flaps with two equal-sized white spots ... plumosa (Theo.). 

 Anal flaps with only one white spot... ... ... ... ,. 3. 



3. Respiratory tubes with the tip only white ... mimomyiaformis (Newst.). 

 Respiratory tubes with the apical third white, except for the 



dark tip ... ... ... ... ... ... hispida (Theo.). 



Genus Uranotaenia, Arrib. 



The only African species of this genus whose larva is definitely known is 

 U. balfouri, Theo., and this is typical in every respect. 



U. nigripes, however, has had attributed to it a peculiar Sabethine larva 

 {vide Theobald, Trans. Linn. Soc. xv, 1912, p. 93, under P seudoficalhia nepenthes) 

 which has some resemblance to that of Eretmopodites, So far as I can see from 



Fig. 9. — Ingramia malfeyti (Newst.). 



some badly made balsam preparations in the British Museum, this larva has no 

 pecten and no hair-tuft on the siphon, no comb, and no cephalic hairs. It can 

 have no possible connection with Uranotaenia, nor can it very well be Eretmo- 

 podites, if the comb is really absent. 



Genus Ingramia, Edw. 



/. malfeyti (Newst.). This is the only species of the genus whose larva is known. 

 The most marked character is the form of the antennae. As, however, these organs 



