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LEAFHOPPERS (Ci'cadellidao) 
Utah. G. F. Knowlton (May 12): Nymphs abundant on and damaging 
foliage of Siberian elm at Butlerville and Draper. 
DOUGLAS-FIR 
A GALL APHID (Chermes cooleyi Gill.) 
Pennsylvania. E. P.' Felt (May 23): The alternate generation of the 
Sitka spruce gall sphid occurs in abundance on some Douglas-fir 
in the Philadelphia area. 
SPRUCE BUDWORM ( Cacoecia fumif erana Clem. ) 
Colorado. D. DeLeon (May 24): Larvae have already emerged from their 
hibernacula and are feeding in the opoaing leaf buds of Douglas-fir 
in Redstone, Big Thompson, and northern St. Vrain canyons. De- 
foliation will be much more severe than last year and in areas 
only lightly defoliated last year, as there is a heavy population 
of young caterpillars. 
HACKBSKRY 
A GALL INSECT ( Pachypsylla celtidis-gemma Riley) 
Oklahoma. F. A. Fenton (May 22): Hackberry bud gall reported from 
Shawnee, Pottawatomie County. 
HEMLOCK 
HEMLOCK BORER ( Melanophila fulvoguttata Harr.) 
Wisconsin. H. C. Secrest (May 17): Larvae of all instars, except the 
first, found on hemlock on the Menominee Indian Reservation. 
Winter mortality low, about 10 percent of the autumn population. 
Immature larvae active and feeding. Pupae and adults found in 
the bark of logs exposed to the sun on log decks. No emergence 
of adults obsorved. Pupation on logs and trees in the forest, 
where more protected from the sun, not nearly as advanced. 
A LEAF MINER ( Recur varia apicitripunctolla Clem. ) 
Wisconsin. H. J. MacAloney (May If): Caterpillars found webbing 
hemlock leaves on May 17 on the Menominee Indian Reservation. 
Injury not serious. 
LARCH 
LARCH CASEBEARER ( Coleophora laricella Hbn.) 
Connecticut. E. P. Felt (May 23): Found in considerable numbers in 
Westport, and here and there in the southwestern part of the State. 
