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TULIPTREE 
TULIPTREE SCALE ( Toumeyella liriodendri Gmel.) 
Pennsylvania. E. P. Pelt (March 22): The scale-eating caterpillar Laetilia 
coccidivora Corast. was abundant on tuliptrees infested by this scale, 
as shown by material collected recently in the Philadelphia area. 
* " WILLOW 
FOPLAR AND WILLOW BORER ( Sternochetus lapathi L».) 
Michigan. E. I. McDaniel (March 2l)-J Pound on March 18 at Grand. Rapids. 
A PSYLLID ( Psylla parallela Crawf . ) 
Oregon. R. L* Post (March l4): Series of more than 40 specimens collected 
from pussy willow at Salem on February 19. This is apparently the first 
time this species has bpen collected in Oregon. (Det. by 4. D. Tuthill.) 
INSECTS AFFECTING G R E E N H 0 U 'S E 
AND ORNAMENTAL PLANTS 
COTTONY-CUSHION SCALE ( Icerya purchasi Mask. ) 
Arizona. 0. D. Lebert (March 15 ) : Since February this scale has been building 
up on ornamentals in the Phoenix area. Several heavy infestations were 
observed on plantings of pittosporum, but no damage has been observed. 
No parasites present. 
COTTONY MAPLE SCALE ( Pulvinaria vitis L.) 
Idaho. F, H. Shirck. (March 9 ): Branches of Spiraea vanhoutei received from 
Parma infested with what is possibly this species. 
A PYRRHOCORID ( Eu ry opht hal mu s succinctus L») 
Arizona. C, D. Lebert (February 26): This bordered plant bug was observed to 
be numerous on the flowering buds of the native cacti Coryphantha spp. 
on sunny hillsides in the Dragoon Mountains, Cochise County, southeastern 
Arizona. Adults and nymphs observed. None found in nearby deciduous- 
fruit orchards. 
CITRUS MEALYBUG ( Pseudococcus citri Risso) 
Delaware, M. D. Leonard (March 23 ): The parasite which was cited as attacking' 
Coleus at Wilmington on page 24 of the Insect Pest Survey Bulletin, March 1 
19^0, has been determined as Leptomastidea abnormis Gir. (Det. by A.B, 
Gahan. ) 
