THE FLORIDA BUGGIST 
bb. Second segment of antennae symmetrical, none of its 
bristles markedly enlarged. 
ec. Thorax tinged with orange. 
d. General color brownish-yellow, not uniform; 
thorax orange yellow; antennal segment 1 
pale yellow; 2 light brown, base sometimes 
yellowishees aoe see F. tritici (Fitch). 
dd. General color brown to dark brown; thorax 
orange brown........ F.. tritici moultoni (Hood). 
ddd. Head pale lemon yellow to light yellowish 
brown; abdomen brownish yellow to brown; 
antennal segment 1 whitish to light brown, 
2 dark brown. 
e. Antennal segments 3-5 pale yellow at 
the base; wings yellowish. 
F. tritici occidentalis (Perande). 
ee. Antennal segments 3-5 light brown or 
slightly gray at base; wings brown. 
f. Antennal segment 5 shorter than 
2, 6-8 gray; prothorax more than 
1.5 times as long as wide. 
F.. stylosa (Hood). 
ff. Antennal segment 5 as long as 2, 
segments 6-8 brownish; prothorax 
less than 1.5 times as long as 
wide........ F.. floridensis (Morgan). 
dddd. Color pale yellow; antennal segments 1-5 light 
CHU KON ALS! OSes ee F. williamsii Hood. 
ec. Color yellow to brownish yellow, shaded with 
brown; no orange. 
d. Costa of wing with 23-30 bristles; fore vein 
17-22; hind 13-16. 
e. Scale with 6 bristles; head nearly as 
long as wide; antennal segment 2 dark 
brown; tenth abdominal segment not 
split open above. 
F. helianthi (Moulton) 711. 
ee. Scale with 5 bristles; head % as long 
as wide; antennal segment 2 yellowish 
gray; tenth abdominal segment split 
open above.....F’. gossypii (Morgan) 713. 
dd. Costa of wing with 15-19 bristles; fore vein 
13-16; hind 9-10: scale 5. 
F. runneri (Morgan). (’13.) 
ccc. General color uniformly brown to dark brown, no > 
orange; antennal segments 3-5 light brown to yel- 
low and shaded. 
