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South Dakota. H. C. Severin (July 26 ): Causing more and more trouble each 
year, especially on apple, currant, lilac, and buckthorn hedge plants. 
ARBORVITAE 
A LEAP MINER ( Recurvaria thujaella Kearf. ) 
Delaware. C. W. Collins (June 29): Deeding on arborvitae at Lewes on June 5« 
(Det. by C. Heinrich.) 
ARBORVITAE LEAP MINER ( Argyresthia thuiella Pack.) 
Tennessee. G. M. Bentley (July 26); Injuring arborvitae in Sullivan and 
Washington Counties. 
AZALEA 
A THRIPS ( Heterothrips azaleae Hood) 
Maryland. G. V. Johnson (June 6): Infesting blooms of azalea at Beltsville 
on June 4. (Det. by J. C. Crawford.) 
CHRYSANTHEMUM 
CHRYSANTHEMUM LACEBUG ( Corythucha marmorata Uhl.) 
Ohio. T. H. Parks (July 24): Injured leaves received on July 15 from Warren, 
Trumbull County, in eastern Ohio. 
CHRYSANTHEMUM APHID ( Macro siphoniella sanborni Gill. ) 
New Jersey. M. D. Leonard (July 25) J Very few on the tender terminal leaves 
of a number of chrysanthemum plants ■under observation all season at 
Ridgewood. 
District of Columbia. H. Sollers (June 22): Pound on chrysanthemum where 
they were being eaten by ladybeetle larvae. (Det. by P. W. Mason.) 
COLUMBINE 
COLUMBINE LEAP MINER ( Phytomyaa ainuecula Gour.) 
New Jersey. M. D. Leonard (July 25)i Infesting several columbina plants 
under observation at Ridgewood; almost every leaf is badly mined. 
Tennessee. G. M. Bentley (June 28): Causing injury to columbine at 
Graysville, Rhea County. 
