Micridium boliviense, Darby, Michael, 2017

Darby, Michael, 2017, Taxonomic review of the genera Micridium Motschulsky, 1869 and Micridina Johnson, 1969 (Coleoptera: Ptiliidae) with eleven new species including the first records from South America and Madagascar, Zootaxa 4242 (2), pp. 233-254 : 240-241

publication ID	https://doi.org/ 10.11646/zootaxa.4242.2.2
publication LSID	lsid:zoobank.org:pub:0DD1868D-4EF5-4FB7-AEE9-372644800A79
DOI	https://doi.org/10.5281/zenodo.6045189
persistent identifier	https://treatment.plazi.org/id/03E64B08-E32F-FFFC-8585-5E68FB71EA08
treatment provided by	Plazi
scientific name	Micridium boliviense
status	sp. nov.

Treatment

Micridium boliviense View in CoL sp.n.

( Figs. 11 View FIGURES 1 – 14 , 19 View FIGURES 17 – 32 , 35 View FIGURES 33 – 41 , 49 View FIGURES 47 – 60 , 73 View FIGURES 72 – 81 )

Habitus Fig. 11 View FIGURES 1 – 14 . Length 0.63 mm. Colour: dusky yellow, head a little darker, pubescence, legs and antennae pale yellow. Antennomeres 3–11 length 0.20 mm, 4–8 ovoid. Head with group of shallow depressions on disc. Width across eyes 0.18 mm. Mentum narrowed to base, sides straight, submentum with 3 setae, Fig.35 View FIGURES 33 – 41 . Pronotum with two distinct linear depressions in basal half converging anteriorly, sides evenly rounded, length 0.16 mm, width 0.23 mm, Fig. 19 View FIGURES 17 – 32 . Elytra widest at middle, length 0.36 mm, width 0.27 mm. Mesoventrum: keel narrow between mesocoxae, Fig. 49 View FIGURES 47 – 60 . Mesepiventra without clear reticulation, evenly rounded to mesocoxae, Fig. 49 View FIGURES 47 – 60 . Metaventrum: metepiventral sutures not reaching posterior margin, posterior intercoxal process shallowly concave. Wings absent.

Male: not known.

Female: spermatheca in the form of the number 8, Fig. 73 View FIGURES 72 – 81 .

Etymology. Named after the country where the insect was found.

Diagnosis. The form of the pronotal linear depressions, the absence of wings, and the shape of the spermatheca distinguish the species.

Type data: Holotype: ♀, Bolivia, Santa Cruz dep. W. Amboro NP Barientos, BOL / Nov 2013/13, 1583m, 29.xi, sifting litter palms, S. 18° 06' 11" E. 63° 48' 09", Winkler app. extr. P. Baňař lgt. ( UASC) .