REPORT OF STATE ENTOMOLOGIST 1899 553 
and has done very much damage where the trees have been left to them- 
selves. Forest tent caterpillar [Clisiocampa disstria] relatively 
scarce. In a few instances the leaves of currant bushes are nearly 
destroyed by plant lice [Myzus ribis]. June 3. Apple tree tent 
caterpillars have spun their cocoons. The birds have been very indus- 
triously destroying them, specially the wax wing, which more than all 
others seemed to have no other business on hand. Willow butterfly 
larvae, Euvanessa antiopa, have done some damage to elms 
and have stripped leaves from single limbs but in no case more. June 
19. Potato beetles [Doryphora fro-lineata]| are fewer in 
number than for years and are consequently doing less damage. Squash 
bug [ Anasa tristis | and striped cucumber beetle | Diabrotica 
vittata | have been less injurious than usual. July 7. Since July 15 
I have found many egg masses of the apple tree tent caterpillar and of 
the forest tent caterpillar that had been destroyed by insects, but have 
been unable to find the one doing it. The caterpillar of the cabbage 
butterfly [Pieris rapae] is as destructive as ever. Aug. 8. 
Cayuga county (Joseph Foord & Sons, Auburn)—Cicadas [ Cicada 
septendecim|] are here in our vicinity. They were discovered 
June ae [On this latter date J. Jay Barden reported the same insect in 
vast numbers at Union Springs] June g. Larvae of-[Schizura 
unicornis] are attacking plum trees in this vicinity. Aug. 29. 
Columbia county (G. T. Powell, Ghent)—There has been an entire 
absence of pear psylla [| P. pyricola]| in my orchard, though I 
have been obliged to fight it for the past ro years, losing 700 trees and 
1o crops of fruit. Apple tree tent caterpillar [Clisiocampa 
americana] is not so numerous as usual; spraying with arsenic is 
very effectual. .Apple aphis [Aphis mali] is serious on young 
trees but can be controlled by spraying with kerosene and water. ‘The 
bud moth [Tmetocera ocellana| is the worst pest of the 
season. Pear midge [Diplosis pyrivora| is found in every 
Lawrence pear. We send men into these trees and cut off the pears 
and burn them. May 24. Apple aphis is persistent on young trees, 
cherry aphis |Myzus cerasi] is developing. Forest tent cater- 
pillars [Clisiocampa disstria] have showna wonderful increase 
in the past week. They are infesting the maples specially, but are 
numerous on elm, larch, apple, pear, oak and ash trees. June 6, 
Striped squash beetle [Diabrotica vittata] has made havoc 
with squashes, melons and cucumbers. An application of lime and 
