10 PROCEEDINGS OF THE NATIONAL, MUSEUM. vol. G1. 



blackish; legs black with a bluish luster on the hind femora, the 

 knee joint and tip of the tibiae of the front and middle legs, middle 

 tibial spur and all the tarsi except apical joint brownish yellow, 

 although the tarsi of the front and hind legs may be somewhat 

 dusky ; wings hyaline, the veins dusky yellowish. 



Measurements. — Length of body: (0.84 to) 1.18; length of head: 

 0.450; width of head: 0.474; width of vertex at posterior ocelli: 

 0.223 ; width of mesoscutum : 0.523 ; length of forewing : 1.07 ; width 

 of forewing: 0.518 mm. 



Described from five females, five males (type, allotype, and para- 

 types) reared September 10, 1920, from Pseudococcus adenostomae 

 Ferris, collected in the vicinity of San Diego, California (G. F. 

 Ferris). 



This fine species is named after Mr. Ferris in recognition of his 

 excellent and much needed work on the Coccidae. 



Type^ allotype, and paratypes. — Cat. No. 25087 U. S. N. M. Para- 

 types in author's collection. 



EXPLANATION OF PLATE. 



Chrysoplatycerus ferrisi Timberlake. 



Fig. 1. Forewiug of female. 

 2. Forewing of male. 



