Gromilus Blanchard, 1853

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 : 38-39

Gromilus Blanchard, 1853 Fig. 26

Gromilus Blanchard, 1853: 208.

Clypeorhynchus Sharp, 1883: 26 (type species: Clypeorhynchus gracilipes Sharp, 1883, by indication, monotypy).

Clypeorrhynchus Kirby, 1885: 100 (unjustified emendation).

Dacnophylla Broun, 1893a: 1471 (type species: Dacnophylla setosa Broun, 1893a, by indication, monotypy).

Hycanus Broun, 1905: 545 (type species: Hycanus cockaynei Broun, 1905, by indication, monotypy).

Stilbodiscus Broun, 1909: 117 (type species: Stilbodiscus setarius Broun, 1909, by indication, monotypy).

Phygothalpus Broun, 1913: 117 (type species: Phygothalpus sulcicollis Broun, 1913, by indication, monotypy).

Heteromias Broun, 1913: 120 (non Faust, 1897) (type species: Heteromias foveirostris Broun, 1913, by indication, monotypy).

Pseudohycanus Brookes, 1951: 57 (type species: Pseudohycanus fallai Brookes, 1951).

Type species.

Gromilus insularis Blanchard, 1853 (by indication, monotypy).

Diagnosis.

Small to medium-sized (3.5-7.5 mm); vestiture of seta-like scales and setae; rostrum medium-sized, relatively stout; rostral dorsal carinae present; scrobes long, deep, sharply bordered, reaching eyes; eyes lateral; scape long (surpassing posterior margin of eye when resting in scrobe); funicular segments 3-6 elongate; pronotum subcylindrical; elytra lacking humeral tubercles.

Relationships.

Gromilus is the sister genus to the remaining genera of Falklandiina . Kuschel (1964) already noted the close relationship of Gromilus with Nestrius , Liparogetus and Falklandius .

Species included.

Gromilus anthracinus (Broun, 1921); Gromilus aucklandicus Kuschel, 1971; Gromilus bicarinatus (Broun, 1921); Gromilus bifoveatus (Broun, 1923); Gromilus brevicornis (Broun, 1893); Gromilus brounii Morrone, 2011; Gromilus calvulus (Broun, 1913); Gromilus caudatus (Broun, 1913); Gromilus clarulus (Broun, 1917); Gromilus cockaynei (Broun, 1905); Gromilus cordipennis (Broun, 1893); Gromilus cristatus (Broun, 1893); Gromilus dorsalis (Broun, 1921); Gromilus exiguus (Brookes, 1951); Gromilus fallai (Brookes, 1951); Gromilus foveirostris (Broun, 1913); Gromilus furvus (Broun, 1921); Gromilus gracilipes (Sharp, 1883); Gromilus granissimus (Broun, 1917); Gromilus halli (Broun, 1917); Gromilus impressus (Broun, 1893); Gromilus inophloeoides (Broun, 1904); Gromilus insularis Blanchard, 1853; Gromilus kuschelii Morrone, 2011; Gromilus laqueorum Kuschel, 1964; Gromilus majusculus (Broun, 1915); Gromilus merus (Broun, 1917); Gromilus narinosus Kuschel, 1971; Gromilus nitidellus (Broun, 1917); Gromilus nitidulus (Broun, 1915); Gromilus nodiceps (Broun, 1914); Gromilus philpotti (Broun, 1917); Gromilus setosus (Broun, 1893); Gromilus sparsus (Broun, 1921); Gromilus striatus (Broun, 1915); Gromilus sulcicollis (Broun, 1913); Gromilus sulcipennis (Broun, 1917); Gromilus tenuiculus (Broun, 1921); Gromilus thoracicus (Broun, 1893); Gromilus variegatus (Broun, 1893); Gromilus veneris (Kirsch, 1877).

Host plants.

Gromilus fallai : Blechnum capense Burm. f. ( Blechnaceae ); Gromilus insularis : Colobanthus sp. ( Caryophyllaceae ), Pleurophyllum sp. ( Asteraceae ), Poa litorosa Cheeseman ( Poaceae ), Polystichum vestitum (G. Forst.) C. Presl. ( Dryopteridaceae ), Pleurophyllum criniferum Hook. f. ( Asteraceae ), Stilbocarpa polaris (Homb. and Jacq.) Gray ( Araliaceae ) and Tillaea moschata DC ( Crassulaceae ); Gromilus setosus : Blechnum sp. ( Blechnaceae ) and Gahnia sp. ( Cyperaceae ); Gromilus veneris : Blechnum capense (L.) Schlecht. ( Blechnaceae ), Polystichum sp. ( Dryopteridaceae ) and Pteris sp. ( Pteridaceae ); Gromilus thoracicus : Anisotome latifolia Hook. f. ( Apiaceae ), Bulbinella sp. ( Liliaceae ), Cotula plumosa Hook. f. and Pleurophyllum criniferum Hook. f. ( Asteraceae ) and Poa litorosa Cheeseman ( Poaceae ) ( May 1977, 1993; Kuschel 1964, 1971, 1990).

Immature stages. Gromilus exiguus , Gromilus insularis , Gromilus thoracicus and Gromilus veneris (May, 1971).

Geographical distribution.

New Zealand ( Schenkling and Marshall 1929; Kuschel 1964, 1971, 1990).

Material examined.

Gromilus gracilipes (MZFC), Gromilus insularis (MZFC), Gromilus laqueorum (MZFC). Gromilus merus (MZFC), Gromilus nitidellus (MZFC) and Gromilus veneris (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.