36 



BITING AND NOXIois Iv^iKiTS OTHEU THAN MOSgL'ITOES 



• Bol" flies 



Non-biting 

 diptera 



Jialir-El-(Jli;izal aii<l Wliitc Nili'. I once caught 

 7'. xi>i-iii.i in tliu hiburatorii'S at Khartoum. 



7'. ri rant US and sociits are also found on the Blue 

 Nile. 



.iiic/iiiifriimi/iit 



A. luteola. Bahr-El-Ghazal. I'i'Imt Whitr Nile. 

 TiilMiiiiiite 



('/irijsi>j)s 



Chrysops (IistiiK'ti|H'uni.s. Hahr-EI-Gliazai ? 

 TafHuiiiKf 



Tahanus dorsivitta or 



virgatus (Austen) 

 „ biguttatus 

 „ soeius 



„ fasciatus nilotieus 

 africanus 

 par 

 gratus 

 „ ditaMiiatus 

 II(einii/i>/iiifii 



H. sp. nov. } 



H. pukhrithoraxi 



Beiianliii. B. depressa — really a new genus (Austen), Bahr-El-Qhazal. 

 Pdiigotiiiice 



P. luagrettii. Blue Nile and Kassala. 

 C'fiironoinuhr 



Ceratopogon ? sp. Khartoum. 

 Pi<i/cliO(il(iit' 



Phlebotomus sp. ? Khartoum. 



Sim III idee 



" Knnteb," S. damnosum 



•• Ximetta. 



Pupipara 



HippohoKciilce 



Hippobosca equina 



H. cainelina 



H. francilloni 



Blue and Wliite Niles. Bahr-El-Ghazal. 



S. griseicollis 



Abii Hamed 

 Dougola. 



H. taurina or maculata 



S 



General. 



Lipoptera ibicis. Suakin. 



Flies of the Family (J-Jsfriiliv, which produce "bots" and belong to the genera 

 Iliipotlermti and Gmttrophilns iirc very common. I expect that specimens of Oc/iromi/ln and 

 Deriiifilohiti, whose larvfe cause myiasis in man, will yet be sent from the south. Larvie 

 taken from human subcutaneous tissue were sent me by Captain Cummins and identified by 

 Jlr. Theobald as those of lieii<i<iUii (leprfsnii. 



Flies of less medical interest, but which might be confused with the larger biting diptera 

 are a species of Helophihin (H. trivittatus). Fig. 16, the genus which produces rat-tailed 

 aquatic larvie in foul water collections and //ojillsfoiiwriiK sri-rlfn-.i. Fig. 17, one of the genus 

 Atlliihr (robber-flies) sent by Captain Hughes from El Obeiil. These prey on locusts. 

 I note that '/'•il>iiiii(l<f are said to be a favourite food of the fossorial wasps of the family 

 Beinbecidtt* It would be interesting to know if this is the case in the Sudan. So far I 

 • Sharp. Cambridge Natural History, lusccts, Part II., 1901, p. 482. 



