SPRING AND SUMMER NUMBERS 73 
35. Trichothrips fuscus Morgan (’138, p. 36). 
Quincy, May 21, 1910, swept from Spice-bush (Morgan, 713). 
36. Symphyothrips punctatus Hood & Williams (713). 
Orlando, Jan. 21, 1913. Collected in body of orange tree by W. W. 
Yothers. 
37. Acanthothrips magnafemoralis Hinds (’02, p. 199). (BIG-LEGGED 
THRIPS. ) 
Miami, Hinds ’02. Type locally. “Food plant unknown.” “Under 
bark of various trees and in dried leaves.” North to Massachusetts 
and Illinois. (Hood, 717). 
38. Cephalothrips yucca Hinds (’02, p. 194). (THE Yucca THRIPS.) 
Quincy, May 1910, on Yucca (Morgan, ’13). 
Extends north to Massachusetts and South to Barbadoes. (Hood, 
ales) 
39. Cryptothrips floridensis Watson (713). (THE CAMPHOR THRIPS.) 
Satsuma the original locality, Nov. 1912. W. O. Richtman collec- 
tor. On camphor at all seasons, Glen St. Mary, Tampa, St. Peters- 
burg, Lakeland, Macclenny. This would seem to be an introduced 
species, as it is not found in many localities in Florida. It has 
recently been found in Alabama and New Orleans, always on cam- 
phor. The writer has received specimens from Ceylon. 
40. Cryptothrips pini Watson (’15). (THE PINE THRIPS.) 
Gainesville, March, May, 1914. Common on pine trees among the 
needles. 
41. Cryptothrips citri, n. sp. 
FEMALE. Measurements. Total length 1.4 mm. Head, length, 0.16 
mm., width 0.14 mm.; prothorax, length, 0.17 mm., width (including coxae), 
0.28 mm.; abdomen, greatest width 0.27 mm.; tube, length 0.12 mm., width 
at base 0.053 mm., at apex 0.033 mm.; antenna, segment 1, 22; 2, 42; 
SOA Ooo nee, 41° 7,415 8,28 microns. Lotal 0:32 mm: 
Color brown,, tibiae, tarsi, and third antennal segments yellowish-brown. 
Head rounded in front; widest immediately behind the eyes and con- 
verging slightly behind; sides slightly convex; surface smooth; postocular 
spines moderately stout, about 50 microns long, knobbed. Eyes medium 
sized, orange by reflected light, black by transmitted light in balsam 
mounts; facets large. Ocelli yellow; the anterior facing obliquely up- 
ward; the posterior pair widely separated, contiguous with the margins 
of the eyes about .4 of the distance from the anterior ends. Mouth cone 
very broad at base, a little broader than the posterior end of the head, 
about .6 as long as broad, very rounding at the apex, not reaching the 
middle of the prothorax. 
Antennae 8-segmented, nearly 1.5 times as long as the head. Segment 
1 and base of 2 concolorous with the head, apex of 2 and segments 4 to 8 
light brown, 3 yellow. Spines and sense cones short and light in color, 
inconspicuous. 
Prothorax triangular in outline, the posterior angles very rounding, 
each bearing a moderately long, knobbed, light-colored spine. On each 
