• -69-. 
years o^ age were -uninjured. It is thought that frequent rains 
following the paradichlorobenzene applications last fall prevented 
the usual diffusion of the gas through the; soil, thereby causing 
an abnormal concentration of the gas near" the tree trunk at and 
"below the charge of crystals... 
ORIENTAL FRUIT MCTH (. Lagpeyresia molesta Busck) 
Georgia Oliver I. Snapp (April 20) : Spring-brood moths are now emerging 
at Port Valley, First -generation' egg oviposition has started. The 
cool spring has delayed the emergence of adults of the spring 
brood. The incubation period of fir st -generation eggs has been 
as long as 8 days during the cool weather. 
CHERRY 
PEAR THRIPS (Tae niothrj-ps inconseouens Uzel) 
Oregon Don C.Mote (March l6) : Adults of the pear thrips were first 
observed in the developing buds on this date, at Salem. Apparently 
. the peak of emergence ^as reached March 10,1926. 
FRUIT TREE LEAF BEETLE (S yneta albida Lee.) 
Oregon Don C» Mote (March 19): At Salem and Corvallis a few beetles 
were first observed flying on this date. A few adults were found 
in the pupal cells in the soil and a few larvae in the soil. The 
majority are in the pupal stage in the soil on this date, 
-■■■■:■ PLUM 
RUSTY PLUM APHID ( Hysteroneura setariae Thos. ) 
Mississippi R. W e Harned (April 21): The southern plum or rusty plum aphid 
aphid has been received from several places throughout the State. 
Texas F. 0. Bishopp (April •£&) : Most of the plum trees in Dallas are 
heavily infested with the plum aphid. They are sufficiently 
numerous in many cases to cause the withering of the terminal 
leaves and shrinking and falling. of the fruit. 
GRAPE ■ . ; . . . : ' 
GRaFS LSAFHOPFER ( Srythroneura comes Say) 
California T.D.Urbahrs (April 20): Adult leafhoppers are reported as very- 
abundant 'oir H.C.Lewis, assistant entomologist, in parts of the 
San -Joaquin Valley, Merced* Fresno, and Yisalia., this spring. 
Considerable spraying will be necessary to prevent severe damage. 
PECaIIS 
APPLE TWIG-. BORER ( Amphicerus bicaudatus Say) 
Mississippi R. W, Harned (April 21): More complaints have been received in 
