THE ANOPHELINA SUB-FAMILY 289 



descriptions, it is well not to place too implicit a 

 reliance on this character, as nearly all species show 

 a tendency to apical banding of the tarsi, and there are 

 few that will not be found to show some signs of it, if 

 a long series be examined. Several have the tarsi 

 quite distinctly so in one sex, and not in the other, 

 so that, if a specimen agrees well with a given type 

 in other respects, it should not be regarded as distinct 

 on this ground alone. 



The various members of these groups are distinguished by 

 the number of the costal markings, the presence or absence of 

 scales on the abdomen and thorax, the relative position of the 

 transverse veins, the markings of the palpi, and other similar 

 characters. 



Table of the Species of the Genus Anopheles. 



Species having the wing spotted. 



A. Wings with spots interrupting the continuity of coloration of the 

 costa, in addition to, or witliout an apical spot. 



a. With certain joints of the fore and hind tarsi entirely light 

 coloured. 



1. An. Bigotii, Theob. Wings with 2 large, external, and a 



smaller internal white spot. Terminal fore tarsal joints all 

 white. Abdomen black, with yellow scales. 



2. An. alhimaniis, Wied ? Wings with yellow spots. Terminal 



joints of all the tarsi white ? Abdomen with large triangular 

 spots. 



h. With certain joints of the hind tarsi only, all white. 



o. With the 3 last hind tarsal joints all white. 



3. A. argyrotarsis, R. Desvoidy. Costa with four more or less 



pale spots ; last joint of fore and mid tarsi dark clay- 

 coloured. Transverse veins of ^ , alternate, 8 external to 

 2 and 4. 



4. A. paludis, Theob. Costa with two pale spots; fringe with 



one pale spot at end of 5th long vein. 



5. An. Mauritianus, de Grandpre et de Charmoy. Closely 



resembles An. x>(iludis, but only two instead of three of the 

 last hind tarsal joints are all white, and the internal wing 

 fringe is without well defined, paler, interruptions. 



6. An. macuUpalpis, Theob. Tarsi otherwise unhanded, but, 



together with the remaining leg joints, elaborately macu- 

 lated with patches of dark and pale scales. 



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