Hydraena (Hydraena) minutissima Stephens, 1829

Freitag, Hendrik, de Vries, Rick, Paterno, Marta, Maestri, Simone, Delledonne, Massimo, Thompson, Cameron G, Lamed, Helena, Lambert, Rebekah, Fox, Michael F, Gonzalez, Mariela C, Delocado, Emmanuel D, Sabordo, Marc R, Pangantihon, Clister V & Njunjic, Iva, 2021, Hydraena (s. str.) dinarica, new species (Coleoptera: Hydraenidae) along with further records of Hydraena spp. from Durmitor National Park, Montenegro and comments on the DNA barcoding problem with the genus, Biodiversity Data Journal 9, pp. 59892-59892 : 59892

Hydraena (Hydraena) minutissima Stephens, 1829

Materials

Type status: Other material. Occurrence: recordedBy: Hendrik Freitag, Clister V. Pangantihon; individualID: H60; sex: 2 males, 5 females; lifeStage: adults; associatedSequences: GenBank: MT784159.; Location: locationID: MNE17b; continent: Europe; waterBody: Shallow littoral, pool with pebbles; country: Montenegro; municipality: Žabljak; locality: Tara River ; verbatimLocality: Tara River, near Bijela Stijena, shallow littoral pool with pebbles; verbatimElevation: 600 m; verbatimCoordinates: 43 13 23N; 19 09 57E; Identification: identifiedBy: Hendrik Freitag, Rick De Vries, Cameron G. Thompson, Helena Lamed, Rebekah Lambert, Michael F. Fox, Mariela Gonzalez, Clister V. Pangantihon; Event: eventDate: 2019-07-12; Record Level: institutionCode: CFM, ZMB; collectionCode: Coleoptera; basisOfRecord: Dried specimens

Distribution

Hydraena minutissima (Fig. 3 B), originally described from Great Britain ( Stephens 1829), is widely distributed in southern, western and central Europe from Spain and Turkey in the south up to the British Isles ( Jäch and Skale 2015).

Habitat

The species was collected in the shallow littoral of the Tara River with pebble deposits on bedrock. The microhabitat was not exposed to strong currents during the time of collection and filamentous algae were partly growing on the surrounding exposed rocks.

Figures

Figure 3. Digital habitus photograph of A) Hydraena biltoni ♂; B) H. minutissima ♂; C) H. morio ♀; D) H. nigrita ♂; E) H. subintegra, pale colouration of a teneral ♂ specimen; F) H. subintegra ♂, regular colouration; scale bar = 1.0 mm.