﻿THE 
  INSECTS 
  OF 
  NEW 
  JERSEY 
  

  

  109 
  

  

  Sub-family 
  Psyllin.^. 
  

  

  CALOPHYA 
  Liv. 
  

  

  C. 
  nigripennis 
  Riley. 
  Common 
  on 
  sumach, 
  "Rhus 
  copalina," 
  throughout 
  

  

  • 
  the 
  State; 
  Anglesea 
  V, 
  28. 
  

   C. 
  flavida 
  Sz. 
  Found 
  only 
  on 
  the 
  smooth-leaved 
  sumac, 
  "Rhus 
  glabra"; 
  

   also 
  common. 
  

  

  PSYLLA 
  Geoffr. 
  

  

  Fig. 
  41. 
  — 
  Pear 
  psylla; 
  pupa 
  from 
  

   above; 
  much 
  enlarged. 
  

  

  Fig. 
  42. 
  — 
  Pear 
  psylla; 
  pupa 
  from 
  

   below; 
  much 
  enlarged. 
  

  

  P. 
  annulata 
  Fitch. 
  Sure 
  to 
  occur 
  in 
  New 
  Jersey. 
  

  

  P. 
  carpi 
  na 
  Fitch. 
  Common 
  on 
  Carpinus 
  in 
  New 
  York, 
  and 
  probably 
  in 
  

   New 
  Jersey. 
  

  

  P. 
  buxi 
  Linn. 
  An 
  imported 
  species 
  on 
  "Buxus 
  sempervirens," 
  which 
  has 
  

   been 
  found 
  in 
  Jersey 
  City. 
  

  

  P. 
  pyricola 
  Forst. 
  Throughout 
  the 
  State 
  but 
  more 
  abundant 
  in 
  the 
  south- 
  

   ern 
  counties. 
  This 
  is 
  the 
  "pear 
  psylla," 
  and 
  its 
  injuries 
  are 
  very 
  

   local 
  though 
  sometimes 
  severe. 
  

  

  PACHYPSYLLA 
  Riley. 
  

  

  P. 
  celtidis-mamma 
  Riley. 
  Makes 
  leaf 
  galls 
  on 
  "Celtis," 
  in 
  New 
  Jersey 
  

  

  (Bt). 
  

   P. 
  celtidis-cucurbita 
  Riley. 
  Also 
  a 
  common 
  gall-maker 
  on 
  "Celtis" 
  (Bt). 
  

   P. 
  celtidis-vesiculum 
  Riley. 
  Found 
  with 
  the 
  preceding 
  (Bt). 
  

   P. 
  venusta 
  O. 
  S. 
  Paterson 
  III, 
  25 
  (Coll) 
  ; 
  makes 
  galls 
  on 
  the 
  leaf 
  petioles 
  

  

  of 
  hackberry 
  in 
  New 
  Jersey 
  (Bt). 
  

   P. 
  celtidis-gemma 
  Riley. 
  Locally 
  common 
  in 
  New 
  Jersey, 
  making 
  galls 
  

  

  on 
  the 
  twigs 
  of 
  Celtis. 
  

  

  