''Eucryptorrhynchus brandti'', the snout weevil, is an insect in the
weevil family.
In its native range in China, it causes significant damage to its single
host
A host is a person responsible for guests at an event or for providing hospitality during it.
Host may also refer to:
Places
* Host, Pennsylvania, a village in Berks County
People
*Jim Host (born 1937), American businessman
* Michel Host ...
, ''
Ailanthus altissima'', tree of heaven.
Thus the weevil is under study as a
biological control of tree of heaven in regions where the tree is
non-native.
In particular, the insect acts as a
vector for ''
Verticillium nonalfalfae'',
a soilborne fungus that causes
verticillium wilt
Verticillium wilt is a wilt disease affecting over 350 species of eudicot plants. It is caused by six species of ''Verticillium'' fungi: ''V. dahliae'', ''V. albo-atrum'', ''V. longisporum'', ''V. nubilum'', ''V. theobromae'' and ''V. tricorpu ...
.
''Eucryptorrhynchus brandti'' produces one generation per year, with larvae and adults overwintering. Adult weevils feed on leaves, buds, and petioles. Larvae develop under the bark of the host plant, boring and feeding, to emerge as adults through round emergence holes 4 millimeters in diameter.
References
External links
* ''Eucryptorrhynchus brandti'' a
iNaturalist
Curculionidae
{{Weevil-stub