308 



University of California PuUimtions [Entomology 



Male 



The male is winged and much darker in color than any of the 



other forms. The average length is 1.5 mm. The head and 



articles I. II and VI of the antennae are dusky, while article III 



is almost black throughout, the apical half of IV is also black 



Fici. 4. Myzocallis arundicolens (Clarke). Eggs. The pale ones are 

 freshly laid and become black soon afterwards. Three are greatly en- 

 larged to show the pedicel at one end. (Original. Photo by Div. Sci. 

 Illust., Univ. Calif.) 



and V is a little darker than VI. The antennae (fig. 5, B-E) are 

 much longer than the body, the lengths of the respective articles 

 being : I 0.07 mm., II, 0.07 mm.. Ill 0.93 mm., IV 0.58 mm., V 

 0.48 mm., VI 0.68 mm. (base 0.31 mm., filament 0.37 mm.), total 

 2.81 mm. The sensoria are transversely oval and numerous on 



