194 NEW YORK STATE MUSEUM 



jj Thorax pale greenish, with a " fuscous longitudinal 

 line on the anterior dilated line " . . .37. 1 i n e a t u s 

 ii Species less than 6 nim. in length 



; Thorax reddish yellow, shining, with three dark 

 brown stripes ; metanotum brown, scutellum yel- 

 low ; abdomen green (when dried sometimes 

 brownish) ; legs yellow; tarsal articulations usually 

 darkened ; fore metatarsus but little longer than 



its tibia ; length 5 to 6 mm 38. a 1 b i p e n n i s 



jj Not as above ; thoracic stripes buff-colored 



Jc Thorax and abdomen green, the former with a 

 median black line, besides the usual buff-colored 

 stripes ; metanotum with a black spot ; length 



5mm 39. taenionotus 



kk Thorax without the black median line 



I Species having the fore metatarsus more than 



1% times as long as its tibia 

 m Yellow species (in dried specimens) 



n Deep yellow species, usually 3 to 4.5 mm. in 

 length; fore metatarsus about 1.75 times 

 the length of its tibia ; female 



40. f u 1 v u s n. sp. 

 nn Pale yellow species with a striped thorax ; 



abdomen having a greenish tinge in living 

 specimen ; length 2 to 2.5 mm. 



41. f 1 a v u s n. sp. 

 mm Abdomen green and usually thorax also 



n Fore tibia two thirds as long as its femora, 

 fore metatarsus nearly twice as long as the 

 tibia ; length 3.5 to 4.5 mm. 



42. brevitibialis- 

 nn Fore tibia more than two thirds as long as 



the femora 

 o Species 3.5 mm. or more in length 



p Male genitalia with the lateral arms 

 slender, and somewhat lanceolate; 

 thorax with buff-colored stripes; its 

 ground color greenish yellow or yel- 

 low in the male ; green in the female 



43. modestus 



pp Genitalia of male with the lateral arms 

 much prolonged and clubbed at the 

 end, pl.32, fig.9 



43. Var. b, modestus 

 oo Species 3 mm. or less in length 



43. Var. a. modestus 



