Weevil larvae feed inside the stems and the adults feed on the leaf buds, therefore they both help to manage the weed. (floridatrafficservices.org)
Sinoxylon damage is typically caused by the boring of adults and larvae in the stems, branches, or twigs of dead, damaged, or stressed hosts ( Nair 2007 ). (bioone.org)
This involves source reduction to eliminate mosquito breeding areas, larviciding areas of standing water to kill the larvae, and carefully timed, strategically placed insecticides aimed at the adult mosquitoes. (msstate.edu)
Species1
The four weevil species are: Cyrtobagous salviniae (Salvinia weevil) Neochetina bruchi and Neochetina eichorniae (Water Hyacinth weevils) Neohydromonus affinis (Water Lettuce weevil). (floridatrafficservices.org)
Coleoptera2
Borisocleonus gen.n. - a new genus of weevils from the tribus of Cleonini (Coleoptera: Curculionidae: Lixinae). (myspecies.info)
To the knowledge of the weevil Genus Chromonotus Motschulsky (sensu lato) (Coleoptera: Curculionidae: Lixinae). (myspecies.info)
Eggs2
Female weevils deposit eggs singly in cavities in the plant bud or suspended in a modified frond that resembles a root mass below the water. (floridatrafficservices.org)
While these images may not be as cute as your childhood school photos, they are very helpful in aiding the identification of beneficials in your garden when they are eggs or juvenile versions of their adult selves. (ucanr.edu)
Leaf1
The inadvertent beetle ticks didn't end there, as in the evening at home I noted a bright green weevil sitting on the edge of a leaf on our small ornamental red Acer sp. (blogspot.com)
Years2
Over a period of one to three years after weevil introduction, the matted Salvinia turns brown and sinks to the bottom of the water body. (floridatrafficservices.org)
I've not seen an adult A. brongniardella for a number of years, so will try to remember to look out for later developed mines to try and rear one through. (blogspot.com)
Damage1
Larva of the weevil feed on seeds and adults damage the leaves. (wikipedia.org)