Milfoil weevils  could be more helpful to local habitats and humans than anyone realizes. This weevil could prove it usefulness in eating milfoil and reestablishing the  health of an ecosystem while causing no harm to humanity.
 
Two types of milfoil exist in the Us. There is a  native one and an invasive species of Eurasian milfoil. The native species places no menace but the Eurasian strain is very damaging. The  milfoil weevil now enjoys great popularity thanks to its love for the Eurasian Milfoil.  
 
Eurasian milfoil  (from this point forward all milfoil will be believed Eurasian  milfoil unless otherwise noted) was most in all probability introduced to the Us sometime between the late 1800’s to 1940’s as either a stowaway on a Boats ballast or tossed  shipping material. Milfoil can easily travel on the undersurface of a boat and  grow fast, which causes negative ecological changes and causes problems for people.   Thankfully the milfoil weevil can be spread the same way.
 
It spreads quickly and demolishes ecosystems by choking out the native flora life which  reduces food for water fowl, contracts habitat for fry, and reducing fishing by animals.  The large mats it forms cuts the oxygenation of water by wind that leads  to stressed fish and algae blooms.
 
For  humanity, milfoil growth means a loss of boating, bathing, fishing and waterskiing areas.    In  residential districts, the dense mats could cause floods and droughts because of blocked intake or  overflow pipes.   Milfoil mats can even cause dam generators to foul or break  resulting in lower electricity production.  
 
The tiny milfoil weevil seems to be the panacea to this plague.   Eurasia milfoil is a favorite of the milfoil weevil rather than the  indigenous kind; this results in the invasive species being step by step destroyed and indigenous  plants slowly returning to their natural place. With a high breeding  rate and a taste for milfoil, the milfoil weevil and a smart and safe way to remove the  unwelcome milfoil.   The weevils are a clear solution to the milfoil problem, peculiarly considering the rate  at which the plant spreads.  
 
Milfoil spread when a little portion is broken off, sinks to the bottom and then takes  root, forming a new growth. The use of a harvesting machine is not a great solution  because it causes breakage and results in more milfoil growth. Vacuum dredging is only slightly more successful in that it catches small broken pieces,  but it also causes a great disruption in the water and can strip the bottom of all plants. 
 
  With a taste for Eurasia milfoil rather than the native milfoil, the weevil eats the plant  from the inside out, ultimately demolishing the whole plant. With a short life span (milfoil weevils live about 30 days) at  least three generations will live and die till they head to the land to winter. Milfoil weevils  do have wings, but no one has ever seen them fly so no on knows exactly how the come ashore for the winter.   The weevils are hearty little bugs and once they are  inserted to an area, they can survive the harshest weather.