Kinsey: Studies of Cyriijridx 



85 



1. Thorax with considerable black'; parapsidal grooves wide; 

 median groove short or lacking ; areolet moderate or large. 

 Gall naked, robust, ovate, abruptly tipped. H. bakeri 



2. Thorax without black unless in the fovese; veins only 

 moderately heavy; areolet always of moderate size. Galls 

 covered with long-threaded wool. H. dasydactyli 



a. Parapsidal grooves rugose at bottom; median groove 

 short, distinct; fovese rugose at bottom; length over 

 2.7 mm. Galls long and slender, straight, occurring 

 singly. Northern Sierras. var. dasydactyli 



b. Parapsidal grooves at bottom ; median groove about lack- 

 ing; fovese rugose at bottom; length over 2.5 mm. 

 Galls moderately short, almost straight, singly or in 

 small clusters. Southern Sierras. var. eriophorus 



c. Parapsidal grooves at bottom ; median groove short, dis- 

 tinct; fovese smooth at bottom; length under 2.5 mm. 

 Galls very short, curved, in large, compact clusters. 

 San Bernardinos. var. pygmmis 



3.. Thorax without black; wing veins only moderately heavy; 

 the areolet quite small. Galls globose, with a fine scurf. 

 Northern Sierras. H. chrysolepidis 



4. Thorax with some black; parapsidal grooves only moder- 

 ately wide ; median groove distinct ; wing veins moderately 

 heavy; areolet small or lacking. Gall naked, globular, 

 hardly with a tip. Southern Sierras (only?). H. mains 



5. Thorax very dark brown with black; parapsidal grooves 

 very broad; median groove distinct; wing veins moder- 

 ately heavy; areolet rather large; length over 3.5 mm. 

 Galls ''date seeds", with small scurf. H. melanoderma 



6. Thorax without black; parapsidal grooves wide; wing 

 veins darker brown ; areolet moderate or large. Gall 

 naked, elongate spindle-shaped. H. pacificiis 



a. Parapsidal grooves rugose at bottom; median groove 

 short or lacking ; areolet large, equilateral ; length 

 over 3.2 mm. Gall large, slender, straight. Northern 

 Sierras. var. pacificu'^ 



b. Parapsidal grooves rugose at bottom; median groove 

 short or lacking ; areolet moderate, equilateral ; length 

 over 3.0 mm. Gall shorter, robust, tip often curved. 

 Southern Sierras. var. sKbpacificus 



