Genus Megarhinus. 129 



Lateral tufts red. 



3rd segment of palpus as long as 4th scparatus. Arri. 



3rd segment of palpus longer than 4th haemorlwidalis. Fabr. 



Lateral tufts not red. 

 Feet all same colour <$ and 9 . 



Caudal tuft brown and golden mariae. Bour . 



One tarsal white in hind feet. 



Caudal tuft steel-blue and white portoricensis. V. Boeder. 



All hind tarsals white except a black ring at 



distal end Jicrrickii. n. sp. 



White or gold band on the ventral side of 



midfoot solstitialis. Lutz. 



White on fore, mid and hind feet ; caudal tuft 



golden orange splendcns. Wied. 



Second tarsal segment of hind legs white ; 



caudal tuft golden lutescens. Theob. 



A pale band at base of first tarsal of hind legs ; 



caudal tuft blackish-brown, a few white 



hairs in front ,,- deivaldi. Ludlow. 



Legs unhanded ; caudal tuft brown chrysocephalus. n. sp. 



Position of M. inornatus, Walker, uncertain, also M. grandiosus, Williston, 

 and M. rutilus, Coquillett. 



Megakhinus ferox. Wiedemann (1828). 

 Culex ferox. Wiedemann. 



Auss. Zweif. Insek, p. 1 (1828), Wiedemann; Dipt. Exot. Supp. II., p. 7 

 (1846), Macquart; Cat. Dipt. Ins. Brit. Mus., p. 1 (1848), Walker; 

 Bull 4 (n.s.), Div. Ent. U. S. Dept. Agri., p. 24 (1896), Howard; 

 Handbk. Gnats, p. 135 (1901), and 2nd ed., p. 277 (1902), Giles ; Mono. 

 Culicid. I., p. 237 (1901), Theobald; Les Moust., p. 225 (1905), 

 Blanchard. 



Additional localities. — Sao Paulo, Sao Simao, and Bahia 

 Itaparica (Dr. Lutz). 



Megarhinus separatus. Arribalzaga (1891). 



Dipt. Argentina, II., p. 133 (1891), Arribalzaga; Mono. Culicid. I., p. 219 

 (1901), and III., p. 114 (1903), Theobald ; Les Moustiques, p. 222 (1905), 

 Blanchard. 



Additional localities. — Sao Paulo and Sao Simao, State of Sao 

 Paulo ; Itaparica, Bahia ; Bogota, Columbia (Dr. Lutz). 



Megarhinus mariae. Bourroul (1904). 



Mosq. do Brasil, p. 3 (1904). 



" Length (without proboscis), 10-11 mm.; proboscis, 7 mm.; wings, 

 5 mm. 



VOL. IV. K 



