44. 
45. 
46. 
47. 
48. 
I. 
SPRING AND SUMMER NUMBERS 75 
Orlando, “‘All times of the year on citrus foliage.” (Back, 712.) 
Key West, “Miscellaneous collecting.”” Runner & Morgan. (Mor- 
gan, ’13.) 
Gainesville, on leaves of citrus at all seasons, radishes, Nov. 19, 
1914; mustard and turnips, Jan. 1915; abundant on avocados 1915. 
On grasses. Our most common black Thrips. 
Extends north to Massachusetts; west to California and South to 
Panama and Barbadoes. (Hood, 717.) 
Haplothrips (?) bellus, Hood & Williams (715). 
Orlando, Nov. 8, 1914, on rushes. 
Leesburg, Nov. 16, 1914, “From grasses at edge of canal’. 
Emeralda, Nov. 17, 1914, on rushes. All collected by C. B. Williams. 
Haplothrips statices Holiday. 
SKMorida- Hood, “17)). 
Extends north to New York and Michigan and west to California 
and Oregon. 
Zygothrips bicolor Hood & Williams (715). 
Orlando, Nov. 5 to 8, 1914, from Spanish moss on pine tree, on 
bamboo, on rushes. E. B. Williams, collector. 
Emeralda, Nov. 17, on rushes. E. B. Williams, collector. 
Phloeothrips raptor Crawford (710). 
Quincy, “Miscellaneous collecting.” (Morgan, 713.) 
Phloeothrips floridensis Watson (’13). 
Gainesville, under bark of citrus in greenhouse. Jan. 1913. 
KEY TO NORTH AMERICAN SPECIES OF PHLOEOTHRIPS 
Postocular spines long and conspicuous. 
a. Segment 3 of antennae longer than 1 and 2 together; body color 
dark reddish brown; antennae light brown. 
b. Head nearly 1.3 times as long as wide; antennae 1.3 as long 
as head; segment 3 more than 1.5 times as long as 1 and 
LOM TNC hee ete sats ee ee eee ee wee P. jennei Jones. 
bb. Head slightly more than 1.3 times as long as wide; anten- 
nae 1.5 times as long as head; segment 3 about 1.1 times 
as long as segment 1 and 2 together; males with teeth at 
apexotutore, femora: 32... ise ee P. armiger Jones 
aa. Segment 3 of antennae shorter than 1 and 2 together; antennae 
mostly brown or with only the bases of segments 3 to 7 yellow. 
b. General color yellowish brown, with considerable irregular 
red hypodermal pigmentation; antennae twice as long as 
the head or nearly so. Cheeks slightly arched. 
ec. Legs grayish brown; body length 1.68 mm.; postocu- 
lar bristles knobbed; mouth cone reaching across pro- 
GIT O Weel xem ck Mies Pee! A acs Sh Re Se P. pergander. Hinds. 
cc. Femora brownish yellow; tibiae and tarsi yellow; 
body length 2.5 mm.; poctocular bristles not knobbed; 
mouth cone reaching two-thirds the distance across 
NOLO Axe ee ae P. floridensis Watson 
