Pomona College Joirnai. of Entomih-ogy 447 



BR. Anal valve of male larger, with a small rounded iwsterior lobe; vertical 

 axis longer than horizontal. Facial cones [)orrect. Antenna; inserted 

 somewhat latcrad. 

 C Vertex with markings white to <lirty white. 

 D. X'crtex discally with a white mactda. more or less extensive. 



P. ocellata Craw t. 

 DD. \'ertex discally without macula. P. ocellata tiigra Crawl'. 



CC. Vertex with markings fidvous to deep orange. 



/'. ocellata (lava Crawf. 



Paratrioza ocellata ( (. raw f.) 



(Paratrioza pulcltcUa Crawf. ") 



(Fig. 152. N. S; 153, R: 154. P; 155. M ) 



I.englh of hody 1.5 mm.; length of forewing 2.7 mm.; greatest width l.(J 

 mm. ; width of vertex between eyes .44 mm. ; with eyes .75 mm. General color 

 light to dark brown, to the naked eye; striped anrl banded on head and thorax ; 

 vertex black, with a whitish band bordering it and a white macida in center 

 of discal area ; dorsulum with a white stripe along median dorsal line, and a 

 recurved stripe on each side extending from posterior margin semicircularly 

 to near tegular epiphyses ; scutum with a stripe on each side of the median 

 dorsal line and an arcuate stripe sublaterad. Body very small and short. 



Head deflexed, with eyes about as broad as thorax, very finely punctate. 

 Posterior margin of vertex arcuate, slightly raised narrowly ; vertex elevated 

 plate-like ; pubescent ; discal area with a slight foveal impression posteriorly, 

 quite plane except the elevated ocellar regions ; scarcely emarginate at 

 median suture anteriorly, .\nterior ocellus visible from in front. Facial cones 

 small, acute, divergent, almost horizontal, moderately pubescent : not easily 

 visible from side. .Antcnnie inserted on frons and outer base of facial cones. 

 I.abrum rather large, easily visible from in front. 



Thorax arched, punctate. Pronotum short, slightly arched, depressed belnw 

 dorsulum. anterior margin lower than post-ocellar regions of vertex, prtepi- 

 meron mostly concealed : forecoxse small, norsidum small, subacute cephalad. 

 Metasternal spurs small. Wings small, hyaline, about two and three-fourths 

 times as long as broad, broadest across first furcal, subacute apically ; radius 

 about as long as second cubital; first cubital long; first marginal cell some- 

 what smaller than second ; venation light yellowish bniw n. 



Male. — .\bdomen very short, more slender than in female. Genital segment 

 rather short, larger than preceding ventral sclerite ; claspers long arcuate, mar- 

 gins parallel, obtuse at apex : pubescence sparse and brief. Anal valve long, 

 rather narrow, with a small rounded epiphysis on each flap posteriorly ; 

 ]nibescence longer than on genital plate. Female. — Genital segment very small ; 

 ventral plate very short, acute caudad ; dorsal plate about as large preceding 

 tergite, subacute at apex; genital pure almost half as long as dorsal plate; 

 pubescence sparse. 



Described from numerous males and females collected by C. F. I'.aker in 

 Colorado and Arizona. Type in Nat. Museum. 



