SPECIKS OF CULEX AND ALLIED GENERA. 249 



Austen (Entomologist, 1895, p. 228) overlooked the fact that the last joint of 

 the hind tarsi is entirely white or whitish, while Theobald gives this as a 

 character of C. pulcripalpis (introducing C. pnlcripalpis as British on some 

 specimens which showed the character markedly) but not of C. dorsalis. As, 

 however, every specimen in the British Museum, British or otherwise, whether 

 determined as C. pulcripalpis or as C. dorsalis, has the last joint of the hind tarsi 

 whitish, I feel fairly sure that the fact has simply been overlooked. There is in 

 Britain, so far as the National Collection is concerned, only one species of the 

 C. dorsalis group, and it seems a priori more probable that this would be Meigen's 

 species than Rondani's. 



Mansonia arahica, Giles (J. Trop. Med. 1906, p. 130) is related to C. dorsalis, 

 but can readily be distinguished by the much broader wing-scales, and there are 

 other differences which show it to be distinct. Culex aralicus, Becker (Denksghr. 

 k. Akad. Wiss. Math. Nat. kl. LXIX, 2, p. 140, 1910) is probably a homonym, 

 as both appear to belong to the group Grahhamia. 



Europe ; N. Africa. 



5. 0. long'isquamosus, Theo. (Grabhamia), Ann. Mus. Nat. Hung. Ill, p. 102 



(1905). 

 The (S and the hind ungues of the Q of this species have not been described, 

 but it seems to belong to the O. dorsalis group, judging from the description. 

 Tunis. 



6. 0. pulcritarsis, Rond., Bull. Soc. Ent. Ital. tV, p. 31 (1872). 



Culex leucacanthus, Lw., Beschr. Eur. Dipt. Ill, p. 1 (1873). 

 Culex mariae, Serg., These de Paris, p. 64 (1903). 

 Grahhamia pulcritarsis, Theo., Mon. Cul. Ill, p. 244 (1903). 

 The specimens of C. mariae in the British Museum agree perfectly with the 

 descriptions of C. pulcritarsis (by Ficalbi) and C. leucacanthus. The ungual 

 formula in these specimens is c? 2"l-2"l-0'0, ? l'l-l-l-0"0, and not as given by 

 Theobald in Mon. Cul. IV., p. 285 ; the above is the formula given by Ficalbi 

 for O. pulcritarsis. The species is quite distinct from C. dorsalis. 

 Europe j Algeria. 



Fig. 1. — Ochleroialtis hirsaius, Theo., $ ; aide view of head, to show form and position of palpi. 



7. 0. hirsutus, Theo. (Culex), Mon. Cul. I, p. 392 (1901). (Fig. 1.) 

 Culex transvaalensis, Theo., Mon. Cul. Ill, p. 165 (1903). 



The proboscis has a broad though ill-defined band. This is quite a typical member 

 of the Culicelsa group, taking C. taeniorhynchiis, Wied. {nee Arrib.), as the type. 



S.Rhodesia; Transvaal. '' 



