REPORT OF STATE ENTOMOLOGIST 1899 5^3 



several acres in extent. Forest tent caterpillar [Clisiocampa 

 d i s s t r i a ] nearly stripped the maples, but has now about disappeared. 

 June 15. An occasional complaint is made of the work of tomato 

 worms [Phlegethontius celeus]. Aug. 11. 



Monroe county, (Lewis Hooker, Rochester) — Pear psylla, 

 P. pyricola, is quite thick in some of the Duchess pear orchards, 

 and in some cases this insect is doing considerable harm. Canker worms, 

 which in previous years were troublesome, have gradually disappeared, 

 though in some localities they have been reported in large numbers. 

 Apple tree tent caterpillars [Clisiocampa americana] gener- 

 ally present and in some orchards completely covering the trees. Forest 

 tent caterpillars [Clisiocampa disstria] present in some sec- 

 tions, specially on chestnut trees. Bud moth [Tmetocera ocel- 

 I a n a ] and case bearers appear to be as numerous as in previous years 

 and in son^e instances are hurting the trees. No signs of the codling 

 moth [Carpocapsa pomonella] yet. May 24. Potato beetles 

 not very plentiful. Apple tree tent caterpillars are very numerous in 

 some sections of the county Adult pear psyllas may be found in small 

 numbers. Plum curculio [Conotrachelus nenuphar] appears 

 to be present in relatively small numbers. June 2. Canker worms have 

 done considerable injury in this vicinity the past week, and in neglected 

 orchards trees have been completely stripped. Black flea beetle 

 [Epitrix cucumeris] present in large numbers on potatoes. Cut 

 leaved birches of East avenue suffering from the attacks of a borer [pos- 

 sibly Agrilus anxius]. Green fruit worms [ X y I i n a species] 

 present in pear and apple orchards in large numbers and are doing great 

 damage. Asparagus beetle [Crioceris asparagi] is troubling 

 growers greatly. A colony of 17 year cicadas [Cicada se p ten- 

 ded m] occurs on our place. June 6 Larvae of grape vine flea 

 beetle [Haltica chalybea] present on grape leaves but doing 

 little damage. No quince curculios [Conotrachelus crataegi] 

 have been seen this year. New York plum scale [ L e c a n i u m p r u - 

 n a s t r i ] are very numerous in the egg state on German prune and 

 Bradshaw plum orchards. June 14. Some Kioffer pear trees are badly 

 infested with the scurfy bark louse, Ch ion asp is fur fur us. 

 Colorado potato beetle [Doryphora lo-lineata] has not ap- 

 peared. Rose beetles [ M a c r o d a c t y 1 u s s u b s p i n o s u s ] are 

 proving destructive to roses. Raspberry cane girdler [ O b e r e a 

 bimaculata] is working in blackberry beds. June 22. Aphis 

 [Myzus ribis] on currant is very abundant. The currant worm 



