Acrotrichis armillata, Darby, Michael, 2015

Darby, Michael, 2015, Studies of Bolivian Ptiliidae (Coleoptera) 2: The subfamily Acrotrichinae including two new genera Petrotrichis and Microtrichis, and eight new species of Acrotrichis, Zootaxa 3999 (2), pp. 190-210 : 193-194

publication ID	https://doi.org/ 10.11646/zootaxa.3999.2.2
publication LSID	lsid:zoobank.org:pub:AB50C281-C0D7-4D30-B364-389107D924F4
DOI	https://doi.org/10.5281/zenodo.6097559
persistent identifier	https://treatment.plazi.org/id/22C157E0-7A04-40AE-BCBF-549D437D10A4
taxon LSID	lsid:zoobank.org:act:22C157E0-7A04-40AE-BCBF-549D437D10A4
treatment provided by	Plazi
scientific name	Acrotrichis armillata
status	sp. nov.

Treatment

Acrotrichis armillata View in CoL sp. n.

( Figs. 2A View FIGURE 2. A –I)

Habitus Fig. 2A View FIGURE 2. A . Length 0.98 mm. Colour dark brown/black, legs and antennae dusky yellow. Antennomeres 3–11 0.37 mm long Fig. 2 View FIGURE 2. A D. Mentum and submentum chaetotaxy Fig. 2 View FIGURE 2. A C. Width across eyes 0.34 mm. Pronotum 0.54 mm wide, 0.30 mm long, sides with a slight insinuation before the hind angle when viewed at 45° Fig. 2 View FIGURE 2. A B. Elytra 0.60 mm long, 0.56 mm wide, cells with a border of microtrichiae Fig. 2 View FIGURE 2. A G. Mesoventrum Fig. 2 View FIGURE 2. A H. Posterior margin of metaventrum and metacoxal plates Fig. 2 View FIGURE 2. A I. Pygidium with longer setae and no setae on the anterior border Fig. 2 View FIGURE 2. A F.

Male: unknown.

Female: spermatheca Fig. 2 View FIGURE 2. A E.

Etymology. From the Latin armillatus meaning furnished with a necklace and referring to the microtrichae on the elytral cells.

Diagnosis. The form of the elytral cells with dense microtrichae giving a pruinose appearance will quickly distinguish this species from all others except segmenta , which is larger and possesses short elytral epipleura making the elytra broader at the shoulders rather than the middle. (Note: other species with pruinose elytra occur in several S. American countries).

Type data: Holotype: ♀, GPS31, BOL / Nov 2013/08, Bolivia 2013, Santa Cruz dep., W. Amboro NP, Siberia Pass env., 2481m, 28.xi, S. 17°50'25" E.64°41'58", sifting litter, Winkler app. extr., P.Baňař lgt. ( UASC). Paratype: ♀, GPS32, BOL / Nov 2013/09, Bolivia 2013, Santa Cruz dep., W. Amboro NP, Siberia Pass env., 2450m, 28.xi, S. 17°50'12" E.64°42'08", sifting litter, Winkler app. extr., P.Baňař lgt. ( UASC / MMBC).