74 THE FLORIDA BUGGIST 
side there is a somewhat longer spine and on each anterior angle a shorter 
one. 
Metathorax a little norrower than the prothorax; sides converging 
posteriorly; destitute of conspicuous spines. Legs of medium length. Fore 
femora considerably enlarged. Legs provided with a few short hairs. 
Wings reaching tip of abdomen. Fore pair constricted in the middle. 
fringed with long hairs; near the apex are three or four hairs of a second 
row. 
Abdomen, first three segments destitute of conspicuous spines but poster- 
ior segments bear progressively longer ones and the last segment a pair of 
very long but pale ones. Tube rather small. 
Described from three specimens collected at Fruitland Park, Fla., in 
Nov. 1916, under the loose bark of a citrus tree. This tree was affected 
with gummosis, a bark disease, and the bark was hanging in loose flakes. 
The insects were found under these flakes. Type in the author’s collection. 
Males unknown. 
KEY TO NORTH AMERICAN SPECIES OF CRYPTOTHRIPS 
I. Antenna 8-segmented. 
a. With prominent post-ocular spines. 
b. Color uniformly black except the tarsi which are blackish 
brown; body length about 2.22 mm. .............. C. carbonarius. 
bb. Body color dark yellowish brown. Post-ocular spines 
knobbed. 
c. About 1.7 mm. long. Head twice as long as wide. A 
dark spot behind each ocellus. Antennal segment 3 
muchs shortens hia 4s pees ne anes C. salicis Jones. 
cc. About 1.4 mm. long. Head little longer than wide. 
Without dark spots behind each ocellus. Antennal seg- 
ment synearly, as lone as 49.2 C. citri n. sp. 
aa. No post-ocular spines. Color dark brown to coal black. 
b. Antenna black but segment 3 with two brownish yellow 
bands. Body length about 2.7 mm. C. rectangularis Hood. 
bb. Antennal segments 3 to 6 clear yellow, 8 and tip of 7 yel- 
lowish-brown. Body length about 1.9 mm. 
C. floridensis Watson 
bbb. Antennal segment 3 brownish yellow; others brown, darker 
at tip. Body 1.7 mm. Antenna 7-segmented. 
C. junctus Hood. 
42. Barythrips sculpticauda Hood & Williams (’15). 
Orlando Nov. 5, 1914. Collected from a pine stump by C. B. Wil- 
liams. 
43. Letpthothrips mali Fitch. (THE BLACK GARDEN THRIPS.) 
(Cryptothrips aspersus, Hinds ’02. Phyllothrips aspersus Hood 
’08., Leptothrips aspersus, Houd ’09). 
Quincy, on magnolia, beans, coffee-bean, cotton, Cersis, ete. (Mor- 
anyaeloe) 
