IOI2 NEW YORK STATE MUSEUM 



The case-bearer appears to be present on many trees. The maples are 

 affected by some insect, a borer [probably the maple borer, P 1 a g i o n o - 

 tus speciosus) May 25. Forest tent-caterpillars are (juite plentiful 

 on the witch hazel and occasionally on the hickory. They are appearmg 

 a little more abundantly on maples, but in many instances they are more 

 numerous on the appletrees. May 29. Appletree bark louse [My til - 

 aspis pomorum] appears to be increasing on the appletrees in this 

 vicinity. Junes. This year the forest tent-caterpillars appear to have 

 deserted the maples for ai)ple and basswood. Currant worms [P t ero - 

 n u s r i b e s i i] are just beginning to damage the bushes. June 1 1. At 

 least 75% of the cocoons of the forest tent-caterpillars on some appletrees 

 are parasitized. June 30. In adjacent forests at least 90% of the co- 

 coons of the forest tent-caterpillars have been destroyed by parasites. 

 July 6. D a t a n a m i n i s t r a appears to be very destructive to apple 

 and elm, and the cigar case-bearer has been quite injurious in this sec- 

 tion. Aug. 7. Cabbage butterflies [Pieris rapae] have become 

 very numerous since my last report. Aug. 24. Woolly apple aphis 

 [S c h i z o n e u r a 1 a n i g e r a] is quite plentiful, specially on sprouts 

 growing from roots. Oct. 15. 



Jefferson county (George Staplin, Mannsville) — Appletree tent- 

 caterpillars [Clisiocampa americana] are not as numerous as 

 last year. The horn fly [H a em a t ob i a s errata] has appeared on 

 cattle. May 19. No forest tent-caterpillars [Clisiocampa dis- 

 stria] have been seen. Cut worms are attacking corn to some extent. 

 Curculios [Conotrachelus nenuphar] are working on plums and 

 to some extent on pears. Many dead grasshoppers are found in the 

 meadows. [They were subsecjuently found to be infested by M a s sos - 

 pora cicadina Peck, as determined by state botantist Peck.] 

 June 6. The first forest tent-caterpillar was observed June 9, and I have 

 seen le.ss than 20 this year. Spittle insects are plenty in meadows. June 1 2 . 

 Cigar case-bearer [C o 1 e o p h o r a f 1 e t c h e r e 1 1 a] is working to some 

 extent on pear leaves. June 16. A forest tent-caterpillar was seen Aug. 

 1, probably the last of the season. They have done no appreciable 

 damage in this section. Potato beetles are not nearly as numerous as in 

 preceding years. Yellow-necked apple worms [Datana ministra] 

 are just hatching but are not very numerous yet. Katydids are very 

 abundant. Aug. 1 5. Fall web worms [Hyphantria cunea] are 

 plenty on maple and ash but are not abundant on appletrees. Sep. 15. 



Livingston county (W. R. Houston, Geneseo) — Tent-caterpillars 

 rC 1 i s i () c a m p a a in e r i c a n a] made their appearance on fruit trees 



