84 REPORT OF NEW JERSEY STATE MUSEUM. 



LIMOTHRIPS Halid. 

 L. ceralium Halid. Infests grain and grasses throughout the State. 



HELIOTHRIPS Halid. 



H. dracanae Heeger. On hot-house plants. 

 H. haemorrhoidalis Bouche. In green-houses, often common. 



THR1PS Linn. 



T. 6-maculatus Pergande. A general feeder on many plants. 



T. tabaci Linden. On cabbages, onions and other vegetables throughout 

 the State; a serious pest seasonally and locally (Sm). 



T. tritici Fitch. On grain, grasses and flowers; also locally in tips of 

 nursery peach trees, sometimes causing serious injury (Sm). 



PHLCEOTHRIPS Halid. 



P. caryae Fitch. Occurs on hickory. 



P. mali Fitch. Feeds on leaves of apple. 



P. nigra Osb. Found commonly on clover. 



P. phylloxeras Riley. Occurs in galls of "Phylloxera," and is said to feed 

 on its inhabitants. 



