PSYCHE 
VOL. XXXVI DECEMBER, 1929 No. 4 
OBSERVATIONS ON THE BIOLOGY OF TWO RE- 
MARKABLE CIXIID PLANT-HOPPERS 
(HOMOPTERA) FROM CUBA.* 
By J. G. Myers, 
Imperial Bureau of Entomology. 
Our knowledge of the biology of those families of Auc- 
henorrhynchous Homoptera which reach their greatest 
development in the Tropics is scanty in the extreme. This 
is especially the case with the Cixiidae, the intermediate 
stages of which are passed underground. There are not half 
a dozen species of these small but very interesting plant- 
hoppers of which the life-history is known. 
The two species considered here present highly remark- 
able features, the one, Mnemosyne cubana, for its associa- 
tion with Ponerine ants, and for peculiar features in its 
metamorphosis, and the other, Bothriocera signoreti from 
its fossorial habits and modified front legs in the nymph. 
These notes, which are by no means complete, were made 
during the tenure of an Atkins Research Fellowship at the 
Harvard Tropical Laboratory in Cuba. They constitute the 
seventh paper on the Hemiptera studied at Soledad. For 
acknowledgments see the first of the series ( Contr. Harvard 
Inst. Troy. Biol, and Med. Ill: pp. 63-110, 1926). 
1 Studies from the Harvard Biological Laboratory and Botanic 
Garden in Cuba (Atkins Foundation). 
