Zeanillus montivagus
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BibTeX: @article{Sokolov2016Zootaxa4196, RIS/ Endnote: TY - JOUR Wikipedia/ Citizendium: <ref name="Sokolov2016Zootaxa4196">{{Citation |
Ordo: Coleoptera
Familia: Carabidae
Genus: Zeanillus
Name
Zeanillus montivagus Sokolov, Igor M., 2016 – Wikispecies link – Pensoft Profile
- Zeanillus montivagus Sokolov, Igor M., 2016, Zootaxa 4196: 29-30.
Materials Examined
New Zealand North Rough Ridge CO North Rough Ridge & B. I. P. Barratt & NZ Arthropod Collection New Zealand AUCKLAND
Description
Specific epithet. The specific epithet is a Latinized adjective in the masculine form and is derived from the Latin adjective montivagus meaning " wandering over the mountains ". The epithet refers to the mountainous landscape at the locality, where this species was collected.
Materials Examined
New Zealand North Rough Ridge
Description
Description. Size. Medium for genus (SBL range 1.64–1.73 mm, mean 1.69± 0.044 mm, n=6). Habitus. Body form slightly convex, ovoid, moderately elongate (WE/SBL 0.35±0.013), head of moderate width for genus compared to pronotum (WH/WPm 0.73±0.009), pronotum rather wide in comparison to elytra (WPm/WE 0.78±0.029). Color. Body color rufotestaceous, appendages testaceous. Prothorax. Pronotum slightly long (LP/LE 0.38±0.010) and moderately elongate (WPm/LP 1.28±0.023), with lateral margins rectilinear constricted posteriorly (WPm/WPp 1.68±0.130). Width between anterior angles much greater than between posterior angles (WPa/WPp 1.31±0.074). Elytra. Slightly depressed along suture, comparatively long (LE/SBL 0.55±0.012) and slightly wide (WE/LE 0.63±0.028). Lateral margins slightly divergent at basal third, subparallel at middle third and evenly rounded to apex in apical third. Male genitalia. Median lobe (Fig. 13 M) with broadly concave ventral margin and short semicircular apex. Apical orifice area with a pair of ostial fields. Sclerites of internal sac separate, uneven: dorsal is strongly sclerotized and bifurcated basally, ventral is weakly sclerotized, narrow and linear; sclerites shorter than the half of the distance between apical and basal orifices. Left paramere with apical constriction (Fig. 13 O). Ring sclerite without visible handle (Fig. 14 G). Female internal genitalia. Goncoxite 2 with short ensiform setae (Fig. 15 I). Spermatheca sclerotized, slightly elongate, ovoid, with two compartments (Fig. 16 G). Spermathecal duct short and without coils. Attachments of spermathecal duct and gland to spermatheca at a moderate distance from each other. Geographical distribution. This species is known from one locality only in the North Rough Ridge at 1000m altitude (Fig. 18 B, black triangle). Way of life. No precise data on habitat are available. Relationships. In the structure of copulatory sclerites of median lobe, males of this species are distinct from those of the other members of subgenus. In the shape of round sclerite, males of this species are similar to those of the interior Z. lescheni and coastal Z. brouni. Members of Z. montivagus are similar to those of Z. brouni in the presence of ostial fields at apical orifice in the male median lobe and in the shape and proportions of the spermatheca of females (i.e., rounded on one side and tapered on the other). Based on these morphological evidences and species ranges, I suggest that Z. montivagus shares a common ancestry with Z. brouni and Z. lescheni.
Taxon Treatment
- Sokolov, Igor M.; 2016: A taxonomic review of the anilline genus Zeanillus Jeannel (Coleoptera: Carabidae: Bembidiini) of New Zealand, with descriptions of seven new species, re-classification of the species, and notes on their biogeography and evolution, Zootaxa 4196: 29-30. doi
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