12 MISCELLANEOUS PAPERS. 



(3.) General color light yellow to yellowish brown, thorax or other parts 

 decidedly tinted with orange. 

 a. Head pale lemon-yellow to light yellowish brown; thorax orange- 

 yellow; abdomen brownish yellow to brown; segement 1 of 

 antennae whitish to light brown; segment 2 dark brown. 



Euthrips occidentalis Pergande. 



of. General color brownish yellow, not uniform, thorax orange 



yellow, segment 1 of antenna pale yellow, 2 light brown, 



base sometimes yellowish Euthrips tritici Fitch. 



a'^. General color brown to dark brown, thorax orange-brown. 



Euthrips tritici var. californicus Moulton. 



DESCRIPTION OF NEW FORMS AND SPECIES. 



Euthrips ehrhornii Moulton, male. 



Measurements: Head, length 0.15 mm., width 0.2 mm.; protho- 

 rax, length 0.166 mm., width 0.183 mm. ; mesothorax, width 0.2 mm.; 

 abdomen, width 0.25 mm.; total body length 1.4 mm. 



General color similar to female, light brown, head lighter than rest 

 of body. 



Antennse. light gray-brown; segments 1 and 3, base and apex of seg- 

 ment 4, and apex of segment 5, brownish white. Legs very light 

 brown, trochanters and underside of all the legs nearly white. Wings 

 fully developed, nearly transparent white, lightly tinged with grayish- 

 brown; veins weak; spines on wings not so prominent as in the 

 female, arranged as those in female except that there are five on 

 scale of wing and four scattering spines on distal part of fore vein. 



Described from one male taken April 9, 1910, from flowers of large, 

 bushy perennial lupine at San Jose, Cal. (P. R. Jones). 



Female, forma hrachyptera: Similar to forma macro'ptera except 

 larger; and longer (1.9 mm. in length); general color darker brown, 

 head not lighter; antennse similar in color to rest of body, apex of 

 segments 3, 4, and 5, white; head longer than wide, a row of spines 

 on head across the front; wings short, extending to base of abdomen; 

 trochanters similar in color to rest of body; abdomen large in pro- 

 portion to rest of body, segment 10 split above. 



Described from two brachypterous females taken from wild 

 flowers March 31, 1910, at San Jose, Cal. (P. R. Jones). 



This species is very close to Euthrips pyri Daniel, and is evidently 

 quite variable. 

 Euthrips longirostrum new species. (PL III, figs. 6-9.) 



Measurements: Head, length 0.10 mm., width 0.133 mm.; pro- 

 thorax, length 0.15 mm., width 0.183 mm.; mesothorax, width 

 0.25 mm.; abdomen, width 0.30 mm. Antennse: Segment 1, 24/<; 

 2, 42fi; 3, 48/z; 4, 48/i; 5, 36;<; 6, 48^; 7, 11/z, 8, 15/i; total length 

 of antennse 0.267 mm. Total body length 1.08-1.40 mm. 



Color of body, brown; head, thorax, legs, and antennse tinged with 

 yellow. 



