TAHLIONINA 



somewhat attenuated at extremities, usually with more or less 

 close short hairs. Pupa with the head more or less pointed, 

 attached by the tail and a central belt of silk. 



Colias and Gonepteryx are nearly correlated, and so are 

 Pieris and Aporia ; the other two genera have no immediate 

 connection either with these or with each other. 



Tabulation of Genera. 



1. Hindwings without praecostal spur . . 2. 



„ with praecostal spur . . 3. 



2. Fore wings with 10 out of 9 . . 1. Colias. 



.. „ 10 separate . 2. GONEPTBRYX. 



3. Forewings with 9 present . . .4. 



„ ,, 9 absent . . . .5. 



4. Forewings with 10 and 11 out of 7 4. Leuooi>hasia. 



„ „ 10 and 11 separate . 3. Euchxoe. 



5. Club of antennae abrupt . . . 5. Pieris. 



» i, elongate, gradual , 6. Apobia. 



1. Comas, F. 

 Club of antennae abrupt. Forewings : 6 and 8 out of 9, 7 

 absent, 10 out of 9. Hindwings 

 without praecostal spur. 



A considerable genus, occurring 

 through most of the Northern 

 hemisphere and in Africa. The 

 imago has a very bold and 

 strong flight. When at rest, the 

 under side of the hindwings 

 closely resembles a faded clover- 

 leaf with a central fungus-spot. 

 Terminal band of forewings 

 broad on dorsum 2. echim,. 

 Terminal band of forewings 

 baldly reaching dorsum 



1. hyale. 



1. C. hyale, L. 40-52 mm. 



Head and antennae rosy-tinged. 



Forewings yellow -whitish, to- 



wards base black - sprinkled ; a 



black diseal spot ; a black terminal band, very broad on costa, 



hardly reaching dorsum, enclosing a series of several pale spots. 



Hindwings yellow-whitish, black -sprinkled ; a light orange 



