THE JUMPING PLANT-LICE OR PSYLLID^ OF THE NEW WORLD. 71 



PARATRIOZA COCKERELLI Sulc. 

 Figs. 211, 330, 331, 348, 535, 536. 



Trioza cockerelli Sulc '09a: 102-108. 



Paratnoza cockerelli Crawford '11a: 448; Patch '12 : 321. 



Paratrioza pulchella Crawford 'lOa : 229. 



P. ocellata Crawford '11a: 447. 



The Tomato Psyllid, Johnson '11: (?). 



Length of body, average, 1.4 mm; length of forewing 2.7; width of 

 head 0.52 to 0.70. General color light to dark brown (to unaided 

 eye) ; head and thorax conspicuously striped and banded with white 

 or yellow; vertex black, with a whitish or yellow band bordering it, 

 and a white to yellow crescentic macula in center of discal area of 

 variable size; pronotum white to yellow on posterior side; prse- 

 scutum with a white stripe along median dorsal line and a horse-shoe- 

 shaped band laterad; scutum with a stripe on each side of median 

 dorsal line and an arcuate band laterad; pleurae more or less varie- 

 gated, legs and antennae brown. 



Head deflexed, nearly as broad as thorax, finely punctate; margins 

 of vertex distinctly raised and sharply defined; discal impressions 

 small. Genal cones very small, acute, divergent, projecting forward 

 or slightly outward, seldom downward, pubescent. Antennae not 

 over twice as long as width of head, slender, with a peculiar sense 

 organ on segment IV. Clypeus large. 



Thorax arched, punctate. Pronotum descending cephalad below 

 posterior margin of vertex. Praescutum roundly acute cephalad. 

 Wings small, hyaline, about two and three-fourths times as long as 

 broad, subacute at apex; Ks moderately long, flexed subapically; M 

 and Cu long; marginal cells subequal. 



Genitalia. — Male. — Genital segment rather small ; forceps relatively 

 long, somewhat scythe-shaped when viewed either from side or rear; 

 anal valve reaching higher than forceps, produced posteriorly on each 

 side into a lobe which varies in size and shape from long and slender 

 to very broad at base and triangular in shape. Female. — Genital 

 segment very short and small, subacute; dorsal valve about as long 

 as preceding tergite; anal pore large; pubescence sparse. 



Described from numerous males and females from the following 

 localities: Boulder, Colorado (Cockerell), on pepper (Capsicum 

 annuum), topotypes; Kocky Ford, Colorado (McMillan), on tomato 

 (Solanum nigrum), September, 1910; Canon City, Colorado (Grave- 

 stock), on tomatoes, October, 1894; Colorado (Gillette, Baker), no 

 data given; Park City, Utah (Hubbard and Schwarz); Milford, Utah 

 (J. C. Bradley), September, 1908; Williams, Arizona (Barber and 

 Schwarz), on Purshia and Arbor- vitse. May and July; Tucson, 

 Arizona (Hubbard), December; Fort Yuma, Arizona (Hubbard), 

 January; Madagascar Mountains, New Mexico (Snow), August, 1894; 

 6060°— Bull. 85—14 6 



