102 BULLETIN 85, UNITED STATES NATIONAL MUSEUM. 



transparent and clear, about two and a half times as long as broad, 

 acute at apex; basal vein unusually long, longer than Rs, dark and 

 heavy; Rs short; first marginal cell much larger than second. 



Genitalia. — Male. — -Anal valve large, almost as broad as long; 

 posterior margin strongly arcuate, anterior nearly straight; forceps 

 as long as anal valve, slender, sinuate (posterior view), and very acute 

 at apex. Female. Genital segment short, not much longer than 

 preceding ventral sclerite, not very acute at apex, dorsal valve a little 

 larger and longer than ventral. 



Described from eight males and females from Lake Worth, Florida 

 (E. A. Schwarz), June. 



Type.— Cat. No. 18093, U. S. Nat. Mus. 



Riley stated that the larva of this species is very peculiar in form. 

 "Full-growTi larvae were found by Mr. Wittfeld at Georgiana, in 

 southern Florida, on the under side of leaves of Sideroxylon masti- 

 codendron, embedded in small, scattered, cup-shaped excavations, 

 which on the upper side of the leaves appear as rough, elevated pus- 

 tules. A white waxhke (not flocculent) excretion covers the dorsal 

 surface of the larva and has suggested the generic name" (Riley). 

 The immature forms of the other two species are not known yet. 



CEROPSYLLA CALIFORNICA Crawford. 



Trioza californica Crawford '10a: 234. 

 Triozoida californica Crawford 'lib: 492. 



Length of body 2 mm; length of forewing 3.35. General color 

 dark brown to orange, head almost black, darker than thorax; abdo- 

 men greenish white ventraUy, dorsally black; legs uniform reddish 

 brown; antennae brown to black, except segments II to III whitish. 



Head almost as broad as thorax, finely punctate; vertex about 

 half as long as broad, bulging in front roundly and emarginate at 

 median Une; postocellar areas not as much elevated as in the other 

 two species; genal cones large, about as long as vertex, vertical, 

 divergent sHghtly, subacute, coarsely punctate or strigate; clypeus 

 globose, not unusually large. Eyes large. Antennas scarcely twice 

 as long as width of head, not very slender. 



Thorax arched; praescutum moderately long, narrowly rounded 

 cephalad. Wings hyaUne, about two and a half times as long as 

 broad, acute at apex; R + M + Cu and R very heavy and margined 

 with black; anal angle narrowly black or brown; Rs short; M and 

 Cu sometimes slightly petiolate; marginal cells subequal. 



Genitalia. — Male. — Forceps (from side) scythe-shaped, with sharp 

 edge cephalad; (from behind) swollen on basal half, apical haK 

 abruptly very slender and acuminate, arcuate outward, pubescent; 

 anal valve short, with a long posterior lobate process from apical 



