Micridium inornatum, 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 : 244

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.6045207
persistent identifier	https://treatment.plazi.org/id/03E64B08-E323-FFFF-8585-5C7AFC2EEFCA
treatment provided by	Plazi
scientific name	Micridium inornatum
status	sp. nov.

Treatment

Micridium inornatum View in CoL sp. n.

( Figs. 18 View FIGURES 17 – 32 , 47 View FIGURES 47 – 60 , 80 View FIGURES 72 – 81 )

Antennomeres 3–11 length 0.26 mm, 4–8 elongate, narrowed towards base. Width across eyes 0.22 mm. Mentum lateral margins almost parallel with slight medial insinuations, submentum with 3 setae. Pronotum without sculpture or depressions, sides evenly rounded, hind angles almost obscured, length 0.17 mm, width 0.28 mm, Fig. 18 View FIGURES 17 – 32 . Scutellum without any distinctive features. Mesoventrum: keel between mesocoxae wide and flattened, Fig. 47 View FIGURES 47 – 60 . Mesepiventra with distinct reticulation, Fig. 47 View FIGURES 47 – 60 . Mesocoxae widely separated, Fig. 47 View FIGURES 47 – 60 . Metaventrum: metepiventral sutures reaching midpoint only, posterior intercoxal process straight between lateral points. Wings of usual ptiliid type.

Male: not known.

Female: spermatheca Fig. 80 View FIGURES 72 – 81 .

Etymology. After the smooth appearance of the pronotum lacking linear depressions.

Diagnosis. The wide separation of the mesocoxae will quickly separate this species from all others except johnsoni and elegans .

Type data: Holotype: ♀, Bolivia, Cochabamba, BOL / Nov 2013/03. ca 8km E of Villa Tunari, sifting rotten wood, Winkler app. extr., GPS 23 S. 16° 59' 12" E. 65° 20' 47", 298m, 22.xi.2013. P. Baňař lgt. ( UASC). Pinned on a small piece of clear acetate as a disarticulated slide using Euparal as the mountant . Paratype: ♀, same data as holotype ( MMBC); the specimen was found with the elytra missing.