Chileanthicus campicola, Kejval, 2009

Kejval, Zbyněk, 2009, Taxonomic revision of the genus Chileanthicus Werner (Coleoptera: Anthicidae) 2180, Zootaxa 2180 (1), pp. 1-82 : 34-35

publication ID

https://doi.org/ 10.11646/zootaxa.2180.1.1

DOI

https://doi.org/10.5281/zenodo.5321576

persistent identifier

https://treatment.plazi.org/id/3949251E-FF8C-7745-FF63-DDBBFD2BFE8A

treatment provided by

Felipe

scientific name

Chileanthicus campicola
status

sp. nov.

Chileanthicus campicola sp. nov.

( Figs 72–76 View FIGURES 72–80 )

Type locality. Australia, South Australia, 2 km NE of Bimbowrie 32°01'30''S 140°09'45''E GoogleMaps .

Description (male, holotype). Head brown to brown black; pronotum rufous brown; elytra brown to brown black, with slight bronze reflection; legs, antennae and palpi rufous brown.

Head 1.2 times as long as wide, widely rounded to angulate posteriorly; tempora parallel; posterior temporal angles somewhat rounded but distinct. Eyes small, convex. Dorsal surface moderately glossy, densely punctured ( Fig. 72 View FIGURES 72–80 ); punctation double, coarse punctures only moderately larger than finer punctures; punctures somewhat unevenly spaced, sparser medially, with glossy median longitudinal line distinct over the whole length, most prominent on frons. Setation short and fine, mostly subdecumbent to appressed, with a few, quite inconspicuous, short, erect setae. Antennae moderately enlarged in apical third; antennomere III 1.8 times as long as wide, about as long as IV; antennomere X 1.6 times, XI 1.9 times as long as wide.

Pronotum 1.2 times as long as wide, nearly as wide as head including eyes, widely rounded anteriorly in dorsal view. Pronotal disc somewhat less conspicuous, dorso-lateral sides rather rounded, lateral outlines nearly straightly narrowing towards base in dorsal view, disc with slight indication of median longitudinal impression. Dorsal surface moderately glossy, densely punctured; punctation similar to that on head, evenly developed. Setation as on head.

Elytra 1.8 times as long as wide, rather evenly shaped, conjointly rounded apically. Surface rather moderately glossy, densely punctured ( Fig. 72 View FIGURES 72–80 ); punctation simple, fine, rather evenly developed. Setation longer and more prominent than on head, distinctly bicoloured, mostly brownish and evenly directed posteriad, with whitish setae forming two paired transverse bands, and swirled medially ( Fig. 72 View FIGURES 72–80 ); numerous whitish setae scattered also laterally, interconnecting transverse bands; erect setae sparsely scattered, very short, inconspicuous.

Metafemore unidentate ( Fig. 73 View FIGURES 72–80 ), subapical process sharply pointed apically, facing inner side of tibia; both meso- and metatibiae with minute denticle on inner side apically. Setation uniformly short and fine; metatibiae on inner side apically with several longer setae, only slightly exceeding terminal spurs.

Both abdominal sternum and tergum VII simple. Sternite VIII ( Fig. 74 View FIGURES 72–80 ); paired prongs strongly arcuately curved mediad, moderately widened and with some longer setae distally, with inner basal margin distinctly, rather densely setose. Tergite VIII at most very slightly emarginate apically.

Aedeagus ( Figs 75, 76 View FIGURES 72–80 ); apical portion of tegmen 1.9 times as long as basal-piece, wide, subparallel, abruptly narrowed subapically in dorsal view, and with moderately produced, bluntly pointed apex; median lobe of aedeagus with a pair of large subapical, membranous lobes, moderately exceeding its less sclerotized apex, basal apodeme widened distally.

Female. Externally differing from male by simple meso- and metatibiae, lacking apical denticle, metatibiae short setose apically.

Body length. 3.6−3.9 mm (holotype 3.6 mm).

Variation. The paratypes are somewhat darker coloured, with the anterior portion of the pronotum brown black.

Type material. Holotype: ♂, S.AUST 2km NE Bimbowrie 32°01'30''S 140°09'45''E Bimbowrie Stn. pitfalls 26-31 Aug. 1996 Nth Olary Plains Survey OLA 01301 // S.Aust. Museum specimen ( SAMA) GoogleMaps . Paratypes: ♀, same data as holotype ( SAMA) GoogleMaps ; 1 ♀, S.AUST 5 km SE Benagerie 31°25'56"S 140°27'04"E Benagerie Stn. pitfalls 3-6 Sept. 1996 Nth Olary Plains Survey BEN 14101 // S.Aust. Museum specimen ( SAMA) GoogleMaps .

Differential diagnosis. C. campicola sp. nov. is probably close to C. gammon sp. nov., as is suggested by the nearly identical external appearance and similarity of some of the male characters (wide tegmen, bilobed apex of median lobe of aedeagus). They can be barely distinguished by external characters, showing slight differences in body form, prominence of dorsal punctation of the head (cf. Figs 72 View FIGURES 72–80 , 118 View FIGURES 112–122 ), and form of the subapical process of the metafemora (cf. Figs 73 View FIGURES 72–80 , 119 View FIGURES 112–122 ). On the other hand, they differ clearly in morphology of male sternite VIII, tegmen and median lobe of aedeagus (cf. Figs 74–76 View FIGURES 72–80 and 120–122 View FIGURES 112–122 ).

Etymology. Composed from Latin campus (plain) and incola (inhabitant); named in reference to the locality data (Northern Olary Plains).

Distribution. Australia (South Australia).

SAMA

South Australia Museum

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Anthicidae

Genus

Chileanthicus

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