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For information on Wisconsin's rare vertebrate animals, contact:
Rich Staffen
Conservation Biologist
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Jay Watson
Conservation Biologist

A Weevil (Listronotus echinodori)


There is no overview information available for that species.

State status

Status and Natural Heritage Inventory documented occurrences in Wisconsin

The table below provides information about the protected status - both state and federal - and the rank (S and G Ranks) for A Weevil (Listronotus echinodori). See the Working List Key for more information about abbreviations. Counties shaded blue have documented occurrences for this species in the Wisconsin Natural Heritage Inventory database. The map is provided as a general reference of where occurrences of this species meet NHI data standards and is not meant as a comprehensive map of all observations.

Note: Species recently added to the NHI Working List may temporarily have blank occurrence maps.

Listronotus echinodori is not tracked by the Wisconsin Natural Heritage Inventory Program at this time (this species is not on the NHI Working List).
Summary Information
State Statusnone
Federal Status in Wisconsinnone
State RankSU
Global RankGNR
Tracked by NHIW

Species guidance

Identification: Reddish-brown and black beetle. The antennae and tarsi are reddish-brown. Covered with dense, round scales and sparse, scalelike setae. The rostrum is tricarinate, weakly convex and shorter than the prothorax. The antennae are clubbed. Length: 3.3-5.5mm.

Similar Species: Can be confused with L. appendiculatus.

Habitat: Marsh.

Host Plant: Sagittaria latifolia.

Life and Natural History: Adults reared from larvae of galls on stems of Echinodorus cordifolius (not in Wisconsin) and flowers and stems of Sagittaria latifolia.



A Weevil

Photo © John Haarstad.

A Weevil

Photo © John Haarstad.

Last revised: Thursday, December 22, 2022