118 THE FLORIDA BUGGIST 
ce. Antennal segment 3 yellowish brown; terminal brist- 
les longer than the tube. 
d. Body length 1.8 mm.; antennae nearly concolor- 
ous with the body; tube nearly as wide at the 
apex as at the base ............ H. haplophilus Hood. 
dd. Body length 1.3 mm.; antennae much lighter 
than the body; tube about 1.5 as wide at the 
base as at apex ........ H. floridensis (Watson.) 
bb. Apex of femora toothless. 
ce. Width of tube at base more than 1.5 width at apex. 
d. Wings clear, except a brownish area at base. 
e. Antennae twice as long as head, usual 
sense cones present on segment 3. 
f. Bristles on the anterior and poste- 
rior margins of prothorax about 
equal. 
g. Antennal segments 3-6 
bright yellow, abdominal 
spines (except those of the 
tube) slender and faint; pro- 
thorax: about 1.5 times as 
wide as long. 
H. verbasci (Osborn.) 
gg. Antennal segments 3-6 lght 
brown or yellow; abdominal 
spines stout and conspicuous; 
prothorax about twice as wide 
as long. 
H. variabilis (Crawford.) 
ff. Bristles of the anterior margin of 
the prothorax much shorter; fore- 
wings without interlocated hairs. 
H. malifloris Hood. 
ee. Antennae less than twice as long as head, 
no sense cones on inner surface of seg- 
ment 3; bristles of anterior margin of 
prothorax greatly reduced. 
f. Only antennal segment 3 yellow, a 
little shorter than 2; wings with 7 
interlocated hairs; prothorax less 
than twice as long as wide. 
H. graminis Hood. 
ff. Antennal segments 3-6 yellow, 3 
longer than 2; 9 interlocated hairs 
on wing; prothorax more than twice 
as wide as long....H. fawrei Hood. 
fff. Antennal segment 3 yellow, 4-6 pro- 
gressively darker, segment 3 dis- 
tinctly shorter than 2. (Panama) 
H. humilis Hood. 
