EXPLANATION OF PLATE X. 



First row and first two figures of second row : Zygaena lavandnlae, Esp. 

 Third and fourth figures of second row and third row : Zygaena lavandnla ab. 



consobrina Ger. 

 Fourth row : Zygaena theryi Joan. Larvae of Zygaena theryi on a species of 



Coronilla, on Djebel Zaccar in North Algeria, June 1917. 



