92 
A Monograph of Culicidae. 
Sixth and seventh segments laterally expanded, reaching their greatest 
width ax the tip of the seventh. No caudal tuft. Lateral abdominal 
cilia pale on all the segments but the last, dark on the eighth and the 
genitalia. Abdomen beneath yellowish-silvery with a median stripe. 
The stripe is widest on the third and fourth segments, and narrows to 
a fine line on the sixth and seventh. Eighth segment notaceous 
beneath, tipped with gold. Legs deep violet and blue, the hind tarsi 
only white-marked. Under surface of the femora bright brassy. On 
the hind legs the fourth and fifth tarsal joints are silvery white on the 
outer side, black on the inner. 
Length —9 • 5 mm. (exclusive of appendages). 
Locality. —Bluefields, Nicaragua (W. F. Thornton).” 
Note .—Evidently very near M. ferox, the plain metallic blue 
scutellum should separate it.—F. Y. T. 
Megarhinus longipes. Theobald (1901). 
Mono. Culicid. I., 241 (1901), Theobald. 
Mexico. 
Type in the British Museum. 
Megarhinus separatus. Arribalzaga (1891). 
Megarliinci separata. Arribalzaga (1891). 
Dipt. Argentina II., 138 (1901), Arribalzaga; Mono. Culicid. I., 219 (1901); 
III., 114 (1903); IV., 129 (1907), Theobald; Os Culicideos do Brazil, 
135 (1908), Peryassu. 
Rio de Janeiro, Amazons, Para, Bahia, Sao Paulo, Brazil; 
Bogota, Columbia. 
Megarhinus haemorrhoidalis. Fabricius (1794). 
Culex liaemorrlididalis. Fabricius (1794). 
Ent. Syst. IV., 401, 5 (1794), Fabricius ; Mono. Culicid. I., 222 (1901); 
III., 114 (1903), Theobald. 
South America and West Indies, Mexico; Atoyac, in Yera 
Cruz; Guiana, Cayenne; Brazil; Cuba (?). 
Megarhinus mariae. Lutz (in Bourroul) (1904). 
Mosquitos do Brazil, 3 (1904), Bourroul; Os Culicideos do Brazil, 138 
(1908), Peryassu; Mono. Culicid. IV., 129 (1909), Theobald. 
Bahia, Brazil. 
