that the patches covered "by the mites -.Tere only several inches 
in diameter and scattered here and -there -upon the trunk* 
APHIIDAE 
0. I. Snapp ( August 20) : Aphid s v/ere more ahundant on maples 
and other shade trees this summer than for many years. Many com- 
plaints have "been registeted about "honeydev/. " 
OYSTER-SHELL SCALE ( Lepidosaphes . ulmi L. ) 
C. P. Gillette (September S) : This scale has lecome very destruc- 
tive to ash and purple lilac hushes in Colorado from Dover north- 
'vard. It is also destructive to the '.villov/s and even cottonv/oods. 
In Eort Collins some large cottonnoods have died, apparently from 
the attack of this scale. At present, it promises to almost eli- 
minate the ash trees from northern Colorado, except in tov/ns where 
prompt meas\tres are taken to keep it in check. 
ARBOR VITAS 
STRAVTBERHY ROOT TEEVIL ( Brach^/rhinus ovatus L. ) 
E. 7'. I'.Iendenhall (September 10): The strawberry root v/eevil has 
been doing considerable damage to the arborvitae stock in the 
nursery at Nev/ r.Ioore Field near Springfield. 'They girdle the 
nevj shoots and kill the plant back. 
3IRCE 
BIRCH LEAF MINER ( Fenusa pumila Klug) 
J. V. Schaffner, Jr. (September 23): Kr. Barnes of the gypsy- 
moth laboratory reports that through Bingham, Foscov;, Carratunk, 
and The Forks in Somerset County, the foliage of paper birch is 
badly brovmed by a leaf miner, probably Fenusa mmila Klug. 
E. P. Felt (September 2k): The birch leaf miner has been gener- 
ally abundant in eastern portion of the State, brovming the young 
terimnal leaves. 
BIRCH SKELSTONIZER ( Bucculatrix canadensi sella Chamb. ) 
E. P. Felt (September 2U) : The birch leaf skeletonizer cocoons 
'.-/•ere fairly common on red birch in Highland Park, Rochester, 
though little damage -'as seen (R. E. Horsey). 
BOXSLDER 
A LEAF HIHER ( Gracilaria negundella Chamb . ) 
C. P. Gillette (September S): This little miner of the boxelder 
