Acrostomus Kuschel, 1955

Morrone, Juan J., 2013, The subtribes and genera of the tribe Listroderini (Coleoptera, Curculionidae, Cyclominae): Phylogenetic analysis with systematic and biogeographical accounts, ZooKeys 273, pp. 15-71 : 44

Acrostomus Kuschel, 1955 Fig. 30

Acrostomus Kuschel, 1955: 287.

Type species.

Adioristus bruchi Hustache, 1926 (by original designation).

Diagnosis.

Medium-sized (7.3-13.8 mm); integument black; vestiture of seta-like scales and setae; epistome raised; scrobal ventral tooth usually present; pronotum subquadrate.

Relationships.

Acrostomus is the sister genus to Hyperoides .

Species included.

Acrostomus bruchi (Hustache, 1926); Acrostomus cruralis Kuschel, 1958; Acrostomus foveicollis Kuschel, 1958; Acrostomus griseus ( Guérin-Ménéville, 1839); Acrostomus magellanicus Kuschel, 1958; Acrostomus mordor Morrone, 1994; Acrostomus vianai Kuschel, 1958.

Host plants.

Acrostomus magellanicus and Acrostomus vianai : Azorella trifurcata (Gaertner) Pers., Bolax gummifera (Lam.) Spreng. and Mulinum spinosum (Cav.) Pers. ( Apiaceae ) (Morrone, 1994b).

Geographical distribution.

Andean region (Patagonian subregion), in southern Argentina and southern Chile ( Morrone 1994b).

Material examined.

Acrostomus bruchi (CWOB, IPCN, MACN, MLP, MZFC), Acrostomus cruralis (MACN, USNM), Acrostomus foveicollis (CBPC, CWOB, MHNS, MZFC), Acrostomus griseus (CWOB, FIML, IPUM, MHNS, MLP, MZFC), Acrostomus magellanicus (BMNH, MHNS, USNM), Acrostomus mordor (AMNH, MACN, MLP, MZFC) and Acrostomus vianai (BMNH, MHNS).

Figures

Figures 27 - 35. Habitus of representative Listroderini. 27 Lanteriella microphtalma 28 Telurus caudiculatus 29 Acrorius papallacta 30 Acrostomus bruchi 31 Antarctobius lacunosus 32 Germainiellus dentipennis 33 Lamiarhinus aelficus 34 Listroderes annulipes 35 Philippius superbus.