A Monograph of Egyptian Dipiera. 27 



Wings pelhicid, witli tlie slio-ina hiown or hrow iiish-ycllow. 

 Squamulse yellowish-wliitr. Haltères vciy pale yellow, witli tlie 

 base dark brown. 



Fcmale. — Vcry siniilai' to the iiiale, cxcept the frons is l'allier 

 shilling blaek. 



Leiigtli froiii (j to 7 iiiiii. 



This species, I think. is the coTinnoi:est and niost widely 

 distributed member of its fainily in Egypt. 



It is eqiially abundant throughout the whole length of the 

 Nile Valley, from Assiian down to the Mediterranean Coast as well 

 as in tlie désert and it may be found nearly ail the year round. 



It is known to occur in Syria, North Africa, and it probably 

 oecurs along the Mediterranean Coast to Morocco. 



The larvœ fecd on Apliids (see Page 22). 



