Sluggish weevil
Encyclopedia
The sluggish weevil is a weevil
species recorded in Britain and native to Eurasia. It was introduced into North America
to help control creeping thistle.
It has various taxonomic synonyms: Cleonus pigra, Cleonus piger, Cleonis pigra
It is identified by double V-pattern elytra and a rostrum
with three sulci
.
Weevil
A weevil is any beetle from the Curculionoidea superfamily. They are usually small, less than , and herbivorous. There are over 60,000 species in several families, mostly in the family Curculionidae...
species recorded in Britain and native to Eurasia. It was introduced into North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...
to help control creeping thistle.
It has various taxonomic synonyms: Cleonus pigra, Cleonus piger, Cleonis pigra
It is identified by double V-pattern elytra and a rostrum
Rostrum (anatomy)
The term rostrum is used for a number of unrelated structures in different groups of animals:*In crustaceans, the rostrum is the forward extension of the carapace in front of the eyes....
with three sulci
Sulcus (anatomy)
A sulcus is a depression or fissure in the surface of an organ, especially the brain.-Elsewhere:* anterior interventricular sulcus* calcaneal sulcus* coronal sulcus* gingival sulcus* gluteal sulcus* interlabial sulci...
.