SUBFAMILY III. — ORTHOTYLINyE. 849 



gin broadly concave, impressed each side near basal angles ; 

 scutellum triangular, convex, as long as pronotum with trans- 

 verse groove in front of the exposed elevated mesoscutum ; 

 elytra entire, surpassing abdomen, conjointly oval, costal mar- 

 gin broadly curved ; legs slender, tibiae without spines, finely 

 setose. One of the three known species occurs in Florida. 



919 (1168%). Hyalochloria caviceps Reuter, 1907b, 20. 



Oblong-oval. Color uniform pale greenish- or greenish-yellow, shin- 

 ing, sparsely clothed with suberect yellowish hairs; eyes brown; apex of 

 scutellum green ; tarsal claws fuscous. Joint 1 of antennae stout, yellow, 

 about one-half as long as width of vertex; 2 greenish, usually fuscous at 

 base and apex, one-fourth shorter than basal width of pronotum ; 3 and 4 

 blackish, subequal in length, united about three-fourths the length of 2. 

 Length, 2 — 2.2 mm. 



Dunedin and Royal Palm Park, Fla., Dec. 1 — April 8; swept 

 from low roadside herbage. Described from Jamaica. Re- 

 corded heretofore in this country only from Biscayne Bay, Fla. 



V. Diaphnidia Uhler, 1895, 43. 



Elongate, subelliptical, delicate, opaque species having the 

 front of head subvertical, slightly longer than width of vertex, 

 tylus projecting beyond the line of face, curving beneath ; beak 

 usually reaching hind coxae, its basal joint shorter than under 

 side of head ; antennae slender, nearly as long as body ; prono- 

 tum trapezoidal, side margins almost straight, oblique, disk 

 usually with a shallow impressed line behind the calli ; elytra 

 long and wide, nearly flat, subhyaline, the costal margin re- 

 flexed ; abdomen very narrow. Four species are recorded from 

 the eastern states. 



KEY TO EASTERN" SPECIES OF DIAPHXIDIA. 



a. Larger, length 4 or more mm.; head not black. 



b. Beak reaching between front coxa?; color green or greenish-white; 

 length, 5.5 mm. 920. debilis. 



b b. Beak reaching beyond middle coxa?. 



c. Antenna? almost wholly greenish-white; length, 4 — 4.3 mm. 



921. pellucida. 



cc. Second antennal fuscous or black, third and fourth fuscous ; length, 



5 m. 922. PROVANCHERI. 



act. Smaller, length 3 — 3.5 mm.; head black. 923. capitata. 



920 (1165). Diaphnidia debilis Uhler, 1895, 43. 



Elongate-oblong. Uniform pale green or greenish-white; pronotum, 

 sides of head and under surface minutely pubescent; beak yellowish, black 

 at tip ; legs pale green, tibia? tinged with yellowish, their spines dai'k, 



