How to Fight European Elm Flea Weevils

By Erin Marissa Russell and Matt Gibson

If you take guardianship of elm Tree , you probably already know how of import it is to stay vigilant against the European elm tree flea weevil . This vernacular garden pest can cause unsightly damage to your tree . And when they assault immature trees , the price from a European elm flea weevil infestation can be dangerous . Although scathe from the European elmwood flea weevil is purely decorative , it can make a Sir Herbert Beerbohm Tree vulnerable to secondary pathogen or infection that can ultimately kill the tree .

European elm flea weevils strike American elm ( Ulmus americana ) , Asian elm tree ( Ulmus parmifolia ) , European elm ( Ulmus laevis ) , Siberian elm ( Ulmus pumila ) , smoothleaf elm ( Ulmus minor ) , lawful Chinese elm ( Ulmus parmifolia “ on-key Green ” ) , and elm tree tree hybrid . The European elmwood flea weevil prefer Siberian and smoothleaf elms the dependable of all its potential host .

The youngest tree diagram in your plantation or garden are most probable to struggle with infestation by European elm flea weevil . peculiarly at risk are new transplanted trees that have branches near enough to the land to earmark the gardener to take bank note of the symptom of plague . While European elmwood flea weevils can strike older , more established trees , the terms they deal is less noticeable on the larger control surface domain of more well developed leaves , and the weevil are unlikely to pose any real wellness risk to these more mature specimen .

How to Identify European Elm Flea Weevils

If you notice any of the following symptoms affect the foliation of the Sir Herbert Beerbohm Tree on your property , there ’s a safe chance that you are sell with an plague of European elm tree flea weevil . If you are able-bodied to spot the larvae or the adults on the foliage of one of your trees , designation can be rather loose . Larvae are legless , and emollient - colored . adult are tiny , one sixteenth part of an inch long , carmine - browned , with inglorious head and black spots on their annex covers . Their chummy hind legs are used for jumping when the brute are unhinged . They are secernate by their long snouts , which are surprisingly seeable , even though the animal are so petite .

How to Prevent European Elm Flea Weevils

Prevention method for deterring the European elm tree flea weevil can be even more important than discussion methods , as deterrence can keep problems with the pest from arising in the first lieu . Prevention method primarily lie in of maintaining a good for you farm environment for the tree and provide plenty of water to keep the tree diagram as intelligent as possible . salubrious trees are far less susceptible to flea weevil infestations .

How to Treat European Elm Flea Weevils

Once European elm flea weevil have started attacking a tree on your place , there are several dissimilar way of life to treat the event before cosmetic damage becomes too unsightly . Use the following treatment pick to deter the insects from cause too much damage .

Some gardeners treat for European elm flea weevils using insecticides use to the territory . However , these treatments reduce and do not extinguish the threat of damage due to flea weevil plague . These intervention also must occur at a particular point in the time of year to be most effective , often in the former spring . Even when insecticide is used , gardener should choose the appropriate ethnic and environmental controls from among those outlined here to roll out in their garden . change the conditions that lead to infestation in the first property is the most effective way to ensure your garden stays liberal of damage from European elm flea weevil .