INSECTS AFFECTING GREENHOUSE 
A IT D OR N A HEHTAI PL A NTS 
ARBORVITAE 
COMMON RED SPIDER ( Tetranychus telarius L.) 
Nebraska. M. H. Swenk (July 20 to August 25): 'The red s-oider T. telarius 
continued troublesome during August, especially on spruce and arborvitae. 
Mississippi. C. Lyle and assistants (August): Considerable injury, particu- 
larly to arborvitae, by the common red snider v. r as reported from many parts 
of the State. (Abstract, J.A.H. ) 
AZALEA 
AZALEA MEALYBUG ( Erie coccus azaleae Comst.) 
Georgia. J. B. Gill (August 25): The azalea eriococcus was found infesting 
azalea bushes in Vienna. This species seemed to be causing somewhat seri- 
ous injury to the heavily infested plants. 
DAHLIA 
POTATO LE\EHOFPER ( Emooasca fab.-e Harr.) 
Connecticut. N. Turner (July 19): Pompon dahlias were seriously injured, show- 
ing tipburn and curled leaves. Only adults present. 
EUONYMUS 
EUONYMUS SCALE ( Chionasms euonymi Comst.) 
Connecticut. E. P. Felt (August 13): The Euonynus scale was reported through 
"?. 33. Mix, as seriously injuring Pachysa.nd.ra at Old Greenwich, 
•f. E. Brit ton (August 23): This insect is common everywhere on certain va- 
rieties of Euonymus ja-oonicus . A severe infesta.tion was reported from 
Branford, August 8. 
FERN 
FERN SCALE ( Hemichionast>is asnidistrae Sign.) 
Mississippi. C. Lyle (August 23): Fern fronds showing a severe infestation of 
the fern scale were received from CrenshaW on August 2. 
GLADIOLUS 
GLADIOLUS THRIFS ( Taenia thri-os gladioli M, & S. ) 
Maine. C. R. Fhipps (Augast 22): The gladiolus thri-ps is very abundant in 
York County. 
