considerable-sized plantings of cassava, from- 6 -months to 1. year old, were re- 
ported to be so badly infested that many of the bushes were entirely devoid of 
leaves and were dying. Several branches, nearly one-half inch in diameter, 
submitted for identification, were badly encrusted with the scales in all stages 
of growth, May 25. 
On March 17 at Las. Marias the young leaves of a small tree, Momnea ar.ericana . 
were heavily infested by Toxoptera aurantii Boyer. (A. G. Harley; det. F.' W. 
Mason. ) At Arecibo, April 5, this insect was very heavily infesting growth of 
five grapefruit trees. (C.G.A.; det. P.W.M. ) At Santurce, May 9, there was a 
light infestation on the young shoots of several Maria trees. (M.D.L. ) A 
moderate number of nymphs and adults were found on the young leaves of grape- 
fruit at Manati, May 13. (A. S.M. ; det. P.W.M. ) 
A small number of adults of Dikraneura depressa McA. were found on leaves 
on several grapefruit trees at Arecibo, Aoril 5. (R. Faxon; det. P.W.O.) 
All stages of Aleurothrixus howardi Quaint, were present in moderate numbers 
on the leaves of several grapefruit trees at Palo Seco, April -4. A light 
infestation was found on the leaves of one grapefruit tree at Toa Baja, May 17, 
(A. S.M. ) 
Adults of Franlcliniella insular is Pkln. were found in hibiscus flowers on 
March 20, and on grapefruit blossoms May 17 at Mayaguez. (A.G.H. ; det. J. R. 
Watson.) A moderate number of these thrips were found feeding in several grape- 
fruit blossoms at Pale Seco, April 4. (A. S.M. ; det. J.R.W. ). At Vega Alta, April 
15, the thrips was numerous in the blossoms of many grapefruit trees. (C.G.A. ; 
det. J.R.W.) 
... 
. . A moderate number of Franhliniella difficilis Hood were found feeding in 
several grapefruit blossoms at Palo Seco, April 4. (A. S.M. ; let. J.R.W.) 
This thrips was numerous in the blossoms of many grapefruit trees in Vega Alta, 
April 15. (C.G.A. ; det. J.R.W.) 
Beetles of BKophthalmodcs roseipes Chevrolat were numerous and eating the 
leaves of grapefruit in Vega Alta, April 15. (C.G.A.; det. L. L. Buchanan.) 
On May 12, at Manati, this insect was abundant, having eaten pieces out of many 
of the leaves of grapefruit. (A. S.M. ) The beetles were fairly common and 
causing some foliage injury in two grapefruit groves at Palo Seco, Ma3 T 20. (M.D. L.) 
During April, May, and June adults of Diaprepes spongier i I. were very 
numerous in citrus groves in the northern and western parts of the Island. 
Specimens submitted were identified as the following varieties of spengl er i ; 
doubliori , abbreviatus , and f ostivus . (C.G.A.) Adults of this insect were 
abundant at Arecibo, May 24, doing considerable damage to the foliage of grape- 
fruit.. A few egg masses were also found. (R.F.) At San Juan, May 7, beetles 
were observed abundantly (and in copula) on a casuarina hedge. (M.D.L. ) 
Adults of Morellia scapulata Bigot were found to be common on :;rapefruit 
at Arecibo during the examination of about 50 trees, March 1. (C.G.A.; det. 
J.M.A. ) Adults were numerous on the underside of grapefruit April 5, (R.F.; 
dot. J.M.A. ) 
