Sawfly - Tenthredininae subfamily
Hymenoptera (Ants, Bees, Wasps and Sawflies) / Symphyta (Sawflies) / Tenthredinidae (Common Sawflies)
I found this female sawfly devouring a small beetle. It took eight minutes, and all there was left were bits 'n pieces. Females of this subfamily will often dine on smaller bugs in search of protein for building their eggs. The larvae, however, are completely herbivorous.


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Adult Female Sawfly


Cleaning antennae after meal


 
  Live adult sawfly photographed at West Chicago Prairie, DuPage County IL. June 15, 2005. Size: 10mm. Sawflies differ from other hymenopterans in that they do not have the narrow waist. The "saw" in sawfly refers to the saw-edged ovipositor visible on many species. This gal does not have a prominent ovipositor.    

 


 
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Bruce Marlin