knapweed root weevil
Cyphocleonus achates (Fahraeus, 1842)

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Image Descriptor Description
1595799 Adult(s)
1595797 Adult(s)
1595564 Adult(s)
1595813 Adult(s)
1595814 Adult(s)
1595815 Adult(s)
1595808 Adult(s)
1595810 Adult(s)
1595811 Adult(s)
1595812 Adult(s)
1595805 Adult(s)
1595806 Adult(s)
1595807 Adult(s)
1595801 Adult(s)
1595802 Adult(s)
1595804 Adult(s)
1595800 Adult(s)
1595798 Adult(s)
1595795 Adult(s)
1595793 Adult(s)
1595794 Adult(s)
1595786 Adult(s)
1595790 Adult(s)
1595792 Adult(s)
1595782 Adult(s)
1595783 Adult(s)
1595784 Adult(s)
1595785 Adult(s)
1595778 Adult(s)
1595779 Adult(s)
1595781 Adult(s)
1595771 Larva(e)
1595772 Larva(e)
1595773 Larva(e)
1595774 Larva(e)
1595775 Larva(e)
1595776 Larva(e)
1595777 Larva(e)
1595768 Larva(e)
1595769 Larva(e)
1595770 Larva(e)
1595767 Larva(e)
1595765 Larva(e)
1595766 Larva(e)
1595763 Larva(e)
1595764 Larva(e)
1595758 Larva(e)
1595759 Larva(e)
1595760 Larva(e)
1595761 Larva(e)
1595762 Larva(e)
1595577 Adult(s)
1595578 Adult(s)
1595575 Adult(s)
1595576 Adult(s)
1595573 Adult(s)
1595574 Adult(s)
1595571 Adult(s)
1595572 Adult(s)
1595569 Adult(s)
1595570 Adult(s)
1595567 Adult(s)
1595568 Adult(s)
1595565 Adult(s)
1595566 Adult(s)
1595563 Adult(s)
1595561 Adult(s)
1595562 Adult(s)
5454484 Adult(s)
5454483 Control
0886054 Adult(s)
5435730 Adult(s)
5435731 Adult(s)
5435732 Adult(s)
1350064 Adult(s)
5383071 Larva(e)
5383072 Larva(e)
5383069 Larva(e) feeding on root of diffuse knapweed
5383070 Larva(e) with root of diffuse knapweed
5383068 Larva(e) feeding on root of diffuse knapweed
5383067 Larva(e) feeding on root of diffuse knapweed.
5358607 Adult(s) Adult root-boring weevil (Cyphocleonus achates), an introduced biological control agent of knapweeds (Centaurea spp.) in North America.
1350092 Pupa(e) in knapweed root
0022011 Pupa(e) biological control agent of knapweeds
0022012 Larva(e) biological control agent of knapweeds
0022013 Adult(s) biological control agent of knapweeds

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