The pea aphi6 outbrenk in the Mississippi Valley reported 
i« the last Bulletin seers to have died out, but reports 
oi* a very serious outbreak of this insect in Uestern Oregon 
on vetch ( the principal hay crop of the region ) have been 
received. The Experiment Station is testing out an aphid- 
resistant variety that L :ives excellent proiaise of success. 
The two clover-leaf weevils are very much no re numerous 
than usual in Ohio, Indiana, Illinois, New Jersey, Oregon, 
Mi c hi ran, Iowa, and Missouri. 
Flea beetles attacking tobacco seed beds have appeared 
in serious numbers in Maryland, Virginia, and Kentucky » 
A newly introduced scale insect is reported as attacking 
sugar-cane in Louisiana. 
The unusual outbreak of the seed-oorn maggot attacking 
seed potatoes, reported in the last number of the Survey 
Bulletin, has continued, vdth the advance of the season, to 
extend northward along the Atlantio seaboard through New 
Jersey to Massachusetts and outbreaks have developed inland 
as far as Indiana and Illinois . The most significant feature 
of the outbreak is tro coincidence of serious damage with 
the use of r. organic fertilizers. 
A very serious outbreak of cankerworms ( both spring 
and fall species ) has developed in southeastern Wisconsin, 
entirely defoliating the trees in several counties* Less 
serious outbreaks are reported from Illinois, New York^ 
Connecticut, and Ohio. 
Tent caterpillars are more numerous than usual in 
the New England and Middle Atlantic States. 
Reports have been received of a repetition of the 
serious outbreak of the achemon sphinx ' which occurred last 
year in the vineyards of Merced County, California. 
The arborvitae lefvf-ndner is very seriously infesting 
the hedges arid ornamental^epecimens of this plant in 
Connecticut and on Long Island, New York. 
Serious bagwora outbreaks are under way in Arkansas 
and Missouri. 
Unusual numbers of stable flies in Oklahoma, Kansas, 
Nebraska, and parts of the Dakotas are reported, and a 
repetition of the serious outbreak of last year in which 
live stock suffered and fargi operations were suspended in this 
region is threatened. 
