UConn article
Cornell University article
c shaped white grub  turf destroyed by grubs 

Large, C-shaped white grub 

Turf destroyed by white grubs 
 third instar larva pupa 

Third-instar larva 

japanese beetle feeding on leaf  eggs and 1st instar larva 

 Beetle feeding on a grape leaf

 Eggs and first-instar larva
sampling for grubs in turf  [grub8]  

 Sampling for grubs in golf course turf.
sample map of grub locations  assortment of grubs 

 Sample map showing grub locations.

 Assortment of grubs found in turf sample.
parasitic nematodes  grub infected with milky spore 

 Parasitic nematodes feeding inside a grub.

 Grub infected with milky spore disease on the left.
 grub with fungal pathogen


Prepared by Jana Lamboy and Michael Villani. Editing design by M. H. Cowles. All photos provided by NYS Ag. Exp. Station.

From Cornell publication GP7/98 10M/IPM Pub. 412 For copies, contact the Cornell Cooperative Extension office or call the New York State Integrated Pest Management Program at (315) 787-2353. 

 Grub infected with Metarhyzium, a fungal pathogen.
 life cycle of japanese beetle
The life cycle of the Japanese Beetle

This information was developed for conditions in the Northeast. Use in other geographical areas may be inappropriate.

The information in this material is for educational purposes. The recommendations contained are based on the best available knowledge at the time of printing. Any reference to commercial products, trade or brand names is for information only, and no endorsement or approval is intended. The Cooperative Extension system does not guarantee or warrant the standard of any product referenced or imply approval of the product to the exclusion of others which also may be available.All agrochemicals/pesticides listed are registered for suggested uses in accordance with federal and Connecticut state laws and regulations as of the date of printing. If the information does not agree with current labeling, follow the label instructions. The label is the law.Warning! Agrochemicals/pesticides are dangerous. Read and follow all instructions and safety precautions on labels. Carefully handle and store agrochemicals/pesticides in originally labeled containers immediately in a safe manner and place. Contact the Connecticut Department of Environmental Protection for current regulations.The user of this information assumes all risks for personal injury or property damage.Issued in furtherance of Cooperative Extension work, Acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture. Kirklyn M. Kerr, Director, Cooperative Extension System, The University of Connecticut, Storrs. The Connecticut Cooperative Extension System offers its programs to persons regardless of race, color, national origin, sex, age or disability and is an equal opportunity employer.