Riva 7 
SPRING NUMBER 61 
A common and destructive pest of cacoa, avocado, and many 
other plants in the West Indies, S. Fla., Ceylon, H. I., Uganda. 
Franklinothrips vespiformis (Crawford). 
On cacoa plants infested with Selenothrips on which it was 
doubtless feeding. 
Sedulothrips hubbelli Wats. 
Tela Division, Guamas District. May 2, 3, 10. On branches of 
a strangling fig tree immediately after it was felled and on bark 
and log of one felled two weeks previously. Very rapid runners 
which take refuge in cracks when disturbed. 
Liothrips zeteki Hood. 
Swept from low bushes and dry herbs at the base of a lime- 
stone cliff. Truxillo (Puerto Castilla) Division, Piedra Blanca 
Farm. April 9. 
Described from Panama and not reported since. 
Liothrips perseae Wats. 
Abundant on young avocado tree, in the bud scales and bhe- 
tween very young developing leaves, for the most part on the 
terminal shoots. Both adults and nymphs present. Puerto Ar- 
turo, about 5 kilometers inland from Tela. Mar. 13, 15, April 4. 
Leptothrips mali (Fitch). 
On a mimosa-like shrub in ditch along railroad at Puerto Ar- 
turo. A common predaceous thrips found over most of North 
America from Panama to B. C. and Mass. 
Symphothrips punctatus Hood and Williams. 
March 15. Described from Orlando, Florida, and since re- 
ported from Miami and Cuba. The senior author has it from 
Panama (collected from under the cap scales of cocoanuts by 
Geo. B. Merrill of the Fla. State Plant Board) and Ala. (col- 
lected from a satsuma tree by H. P. Loding in Mobile Co.). 
Dicaiethrips brevicornis (Bagnall). 
A nymph was beaten from the lower branches of a sour sop 
tree at Puerto Arturo on March 13; several adults on April 4. 
Found on clothing while passing thru a Guinea Grass pasture, 
Progresso Mar. 23 (W. C. Bonacker, Coll.). Sweeping the air 
from a motor car on the railroad between Maloa Farm and Tau- 
jica Farm. On foliage of cacao; not common at this season altho 
Mr. Davis stated that it is the common form at some seasons, 
Colorado District, Dakota Farm. Swept from the luxuriant 
growth of grasses and vines in the ditch at the side of the rail- 
road thru the bananas, Dokota Farm, May 25. 
