Listronotus anthracinus

(Dietz, 1889)

underwater weevil

Listronotus anthracinus is a of underwater weevil in the Curculionidae. It is distinguished from by its aquatic habits. The species was originally described under the Macrops. Very little is known about its compared to better-studied relatives such as L. oregonensis (carrot weevil) and L. maculicollis ().

Biologia Centrali-Americana (8272529098) by Bale & Danielsson; Bannwarth, Th.; Cambridge Scientific Instrument Company; Godman, Frederick Du Cane; Hanhart; Horman-Fisher, Maud; Knight, H.; Mintern Bros.; Purkiss, W.; Salvin, Osbert; Saunders, G. S.; Schlereth, M. v.; Sharp, M. A.; Taylor & Francis; Wilson, Edwin. Used under a Public domain license.

Pronunciation

How to pronounce Listronotus anthracinus: /ˌlɪstrəˈnoʊtəs ænˈθræsɪnəs/

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Identification

Can be distinguished from terrestrial Listronotus by its association with underwater . The Listronotus is characterized by an elongated rostrum and compact body form typical of weevils. Specific diagnostic features separating L. anthracinus from other aquatic or semi-aquatic are not well documented in available sources.

Images

Habitat

Underwater environments. The specific aquatic type (lotic vs. lentic, freshwater vs. other) is not detailed in available sources.

Distribution

Distribution records are sparse; the has been documented in North America based on original description by Dietz (1889).

Behavior

Underwater habits distinguish this from the primarily terrestrial and plant-feeding habits of most .

Similar Taxa

Listronotus oregonensisBoth share the elongated rostrum and compact weevil body plan, but L. oregonensis is a terrestrial pest of Apiaceae crops (carrots, parsley, celery) with well-documented agricultural damage, while L. anthracinus is aquatic and not associated with crop pests.
Listronotus maculicollisBoth are in the same with similar , but L. maculicollis is a destructive pest of golf course turfgrass in eastern North America with well-studied temperature-driven activity patterns, whereas L. anthracinus occupies underwater and lacks such economic impact.
Listronotus setosipennisBoth are Listronotus , but L. setosipennis is a stem-boring weevil used as a agent against the weed Parthenium hysterophorus in East Africa, while L. anthracinus is aquatic and not employed for biocontrol.