- Source: Astycus
Astycus is a genus of beetles belonging to the family Curculionidae. Species are distributed throughout India, Sri Lanka, Myanmar, China, Thailand and Sumatra.
Description
Head consists with lateral eyes which are moderate and prominent. Rostrum deflected and longer than the head. Mentum trapeziform, whereas the emargination of the submentum truncate and without a peduncle. Antennce inserted before the middle of the rostrum with cylindrical scape. Prothorax with truncate apex, truncate or bisinuate base and the rounded sides. Scutellum present, with variable shapes. Elytra with elevated and sinuate basal margin. There is a distinct humeral callus constituting a true shoulder. Sternum with sometimes separated front coxa. Venter with rounded intercoxal process. Legs with rather longer front pair which is distinctly stouter than the others.
Species
Astycus acutipennis Guérin-Méneville
Astycus adamsoni Marshall, 1916
Astycus adultus Schoenherr, 1823
Astycus aequalis G.A.K.Marshall, 1916
Astycus apicatus Marshall, 1916
Astycus armatipes Marshall, 1916
Astycus aureolus A.Hustache, 1937
Astycus aurovittatus G.A.K.Marshall, 1916
Astycus bilineatus Marshall, 1916
Astycus canus Marshall, 1916
Astycus chinensis Fairmaire, 1889
Astycus chrysochlorus Dejean, 1835
Astycus cinereus Marshall, 1916
Astycus cinnamomeus Marshall, 1916
Astycus cuprescens J.Faust, 1895
Astycus destructor G.A.K.Marshall, 1916
Astycus distigma A.Hustache, 1937
Astycus doriae G.A.K.Marshall, 1916
Astycus ebeninus G.A.K.Marshall, 1916
Astycus femoralis G.A.K.Marshall, 1916
Astycus flavovittatus Pascoe, 1881
Astycus gestroi Marshall, 1916
Astycus glabrifrons Marshall, 1916
Astycus griseus Desbrochers, 1891
Astycus hampsoni Marshall, 1916
Astycus horni Marshall, 1916
Astycus immunis G.A.K.Marshall, 1916
Astycus ischnomioides A.Hustache, 1937
Astycus lateralis Schoenherr, 1834
Astycus levicollis Marshall, 1916
Astycus lewisi Marshall, 1916
Astycus limbatus Marshall, 1916
Astycus mysticus Emden & F.van, 1936
Astycus neglectus Marshall, 1916
Astycus obtusus J.Sturm, 1826
Astycus oculatus G.A.K.Marshall, 1916
Astycus quadrivirgatus Desbrochers, 1891
Astycus rutilans K.M.Heller, 1922
Astycus scintillans Pascoe, 1887
Astycus subacuminatus Faust, 1892
Astycus subacuminntus J.Faust, 1892
Astycus submarginalis G.A.K.Marshall, 1916
Astycus sulphurifer E.Voss, 1933
Astycus suturalis G.A.K.Marshall, 1916
Astycus sylhetensis Marshall, 1916
Astycus tessellatus A.Hustache, 1937
Astycus tibialis Günther & Zumpt, 1933
Astycus variabilis Gyllenhal, 1834
Astycus viridianus Emden & F.van, 1936