Neopachytychius Hustache, 1939

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 : 32

Neopachytychius Hustache, 1939 Fig. 22

Neopachytychius Hustache, 1939b: 55.

Pernotaris Voss, 1943: 232 (type species: Pernotaris squamiger Voss, 1943 [= Neopachytychius squamosus Hustache, 1939]).

Type species.

Neopachytychius squamosus Hustache, 1939.

Diagnosis.

Small (3.8-6.5 mm); vestiture of subcircular scales and setae; mandible and pharyngeal process long and narrow; rostral dorsal carinae present; antennal insertion distal; postocular lobes slightly developed; elytra oblong-oval.

Relationships.

Neopachytychius is the sister genus to Haversiella , andboth constitute the sister group to the five genera from the Tristan da Cunha-Gough islands. In a previous analysis based only on American genera ( Morrone 1997a), Neopachytychius was considered to be the sister genus to Listronotus .

Species included.

Neopachytychius squamosus Hustache, 1939.

Geographical distribution.

Neotropical region, in Argentina, Bolivia, Chile and Uruguay ( Marvaldi 1994).

Material examined.

Neopachytychius squamosus (FIML, IADIZA, MACN, MHNS, MLP, MZFC).

Figures

Figures 18 - 26. Habitus of representative Listroderini. 18 Adioristidius hirsutus 19 Puranius nigrinus 20 Haversiella albolimbata 21 Listronotus bosqi 22 Neopachytychius squamosus 23 Falklandiellus suffodens 24 Falklandiopsis magellanica 25 Falklandius antarcticus 26 Gromilus veneris.