﻿THE 
  INSECTS 
  OE 
  NEW 
  JERSEY. 
  

  

  113 
  

  

  forms 
  and 
  may 
  practically 
  exempt 
  an 
  alternate 
  food-plant 
  for 
  the 
  season. 
  

   Little 
  systematic 
  collecting 
  has 
  been 
  done 
  in 
  New 
  Jersey 
  in 
  this 
  family, 
  

   and 
  the 
  list 
  here 
  follows 
  Mr. 
  W. 
  D. 
  Hunter's 
  Catalogue 
  of 
  1901 
  as 
  pub- 
  

   lished 
  in 
  Bull. 
  60 
  of 
  the 
  Iowa 
  Agricultural 
  College 
  Experiment 
  Station. 
  

   It 
  is 
  probable 
  that 
  numerous 
  additions 
  will 
  be 
  made 
  when 
  our 
  fauna 
  has 
  

   been 
  more 
  thoroughly 
  studied. 
  

  

  Sub-family 
  Rhizobiin^. 
  

   All 
  the 
  members 
  of 
  this 
  sub-family 
  occur 
  on 
  the 
  roots 
  of 
  plants. 
  

  

  TYCHEA 
  Koch. 
  

   T. 
  brevicornis 
  Hart. 
  Chester 
  VIII, 
  5, 
  on 
  roots 
  of 
  lettuce 
  (Marsh). 
  

  

  RHIZOBIUS 
  Burm. 
  

  

  R. 
  lactucae 
  Fitch. 
  The 
  common 
  lettuce-root 
  louse; 
  found 
  locally 
  in- 
  

   jurious. 
  

  

  Sub-family 
  Chermaphin^. 
  

  

  PHYLLOXERA 
  Fonsc. 
  

  

  Fig. 
  45. 
  — 
  Grape 
  leaf 
  infested 
  by 
  Phylloxera. 
  

  

  P. 
  caryae-caulis 
  Fitch. 
  Common; 
  making 
  galls 
  on 
  twigs 
  and 
  leaf 
  stalks 
  

   of 
  hickory 
  in 
  New 
  Jersey 
  (Bt). 
  

  

  