Notionotus liparus Spangler, 1972

Gonzalez-Rodriguez, Liza M. & Short, Andrew Edward Z., 2022, Revision of the water scavenger beetle genus Notionotus Spangler, 1972 in the Neotropical Region (Coleoptera, Hydrophilidae, Enochrinae), ZooKeys 1109, pp. 141-191 : 141

publication ID	https://dx.doi.org/10.3897/zookeys.1109.80775
publication LSID	lsid:zoobank.org:pub:A418DA2C-02DD-4023-A9F8-41FA0AEAAC83
persistent identifier	https://treatment.plazi.org/id/C6FB4C8F-F4BD-572D-8E23-E641A3FBE08A
treatment provided by	ZooKeys by Pensoft
scientific name	Notionotus liparus Spangler, 1972
status

Treatment

Figs 2A-C View Figure 2 , 7A View Figure 7 , 11A, B View Figure 11 , 14 View Figure 14

Notionotus liparus Spangler, 1972: 144.

Type material examined.

Holotype (male): "VENEZUELA/ Bar., 24 Km. NW/ Barinitas/II-23-1969/P.&P. Spangler", "Collected with/ 207 Oocyclus", "HOLOTYPE/ Notionotus / Notionotus liparus /P.J. Spangler" (USNM).

Additional material examined

(139 exs.). Venezuela: Aragua State: Henri Pittier National Park, Río Curucuruma, 10°21.070'N, 67°34.920'W, 11.i.2006, leg. A.E.Z. Short, waterfall/seep, AS-06-023 (75 exs., MIZA, SEMC, including DNA Voucher MSC1820); Henri Pittier National Park , Rio Castano Regresiva del Diablo , 10.35669°N, 67.60645°W, 6.i.2009, leg. A.E.Z. Short, log in stream, VZ09-0106-01A (5 exs., SEMC); same data except seeps/wet rock, VZ09-0106-01B (19 exs., SEMC); Henri Pittier National Park , Ranch Grande, 10.i.2006, leg. Short, stream and seep at Toma, AS-06-021, (8 exs., SEMC), same data except 2.vii.2020, VZ10-0702-01A (1 ex., SEMC, DNA voucher SLE2111) GoogleMaps . Barinas State: 13 km NW Barinitas , 8°48.424'N, 70°31.139'W, 992 m, 24.i.2012, leg. A. Short & Gustafson, seepage by road, VZ12-0124-02A (22 exs., SEMC, including DNA voucher SLE2123); same data except small stream pool, VZ12-0124-02B (1 ex., SEMC) GoogleMaps . Mérida State: ca. 2.5 km S. La Azulita , 8°44.335'N, 70°37.131'W, 842 m, 28.i.2012, leg. G.T. Gustafson, stream pools, VZ12-0128-02B (1 ex., SEMC); ca. 12 km, SE of Santo Domingo, 8°51.933'N, 70°37.131'W, 1682 m, 22.i.2012, leg. Short & Arias, wall seep 1, VZ12-0122-03A (7 exs., SEMC, including DNA voucher SLE2124) GoogleMaps . Trujillo State: ca. 3 km NE Laguna Agua Negro , 9°19.371'N, 70°9.303'W, 1770 m, 21.i.2009, leg. Short, García & Camacho, small mountain stream w/ detritus, VZ09-0121-03x (1 ex., SEMC) GoogleMaps .

Differential diagnosis.

Notionotus liparus can be recognized by the distinct black coloration among the other dark (reddish brown) species such as N. brunbadius , N. parvus and N. retusus , also for being the only dark species in the Notionotus liparus group (Fig. 2A View Figure 2 ). It can also be differentiated by sharply marked punctation of the pronotum and elytra. Moreover, the outer margin of the parameres is sinuate and the apical third is slim and tapered. It is the only species in the Notionotus liparus group with the apex of the median lobe acute.

Description.

Size and form: Body length 1.6-1.8 mm. Body form elongate oval, convex in lateral view (Fig. 2A View Figure 2 ). Color and punctation: Dorsally black, with lateral margins of the pronotum and elytra reddish brown (Fig. 2A View Figure 2 ). Ventrally reddish brown, except for black abdominal ventrites; maxillary palps and antennae yellow (antennal club slightly darker) (Fig. 2B View Figure 2 ). Clypeus and labrum with dense, coarse, and moderately impressed ground punctation (punctures separated by 2 × their width); pronotum and elytra ground punctation dense, coarse, and moderately impressed and sparser than on head (punctures separated by 3 × their width). Head: Clypeus and labrum shallowly emarginate anteromedially, lateral margins of the labrum bearing setae. Thorax: Prosternum carinate medially, strongly raised, pointing anteriorly and acute. Elevation of mesoventrite with one transversal ridge, elevated medially, lateral sides concave; longitudinal ridge narrowed anteriorly and broadening posteriorly, the point where the two ridges merged blunt (e.g., Fig. 10A, B View Figure 10 ); elevation concave in lateral view; mesoventrite with triangular shape in ventral view. Metaventrite convex in the median region, pubescent with narrow glabrous patch on the medial and posterolateral area; anterior margin extending to mesoventrite elevation. Metafemora with dense hydrofuge pubescence along basal three-quarters of the anterior margin and along basal one-quarter of posterior margin, then apical half of the posterior margin with sparse setae (Fig. 2B View Figure 2 ). Abdomen: Abdominal ventrites very densely pubescent. Aedeagus (Fig. 7A View Figure 7 ) with basal piece 1.3 × the length of a paramere. Base of the parameres slightly narrower than the base of the median lobe; outer margin sinuate, inner margin nearly straight, tapering along apical third, parameres thin and rounded at apex. Median lobe shorter than the parameres, broad at the base and gradually widening to the apex, with the apex acute.

Distribution.

This species is widespread in the Mérida Andes and Coastal Mountains of Venezuela (Fig. 14 View Figure 14 ). Originally described from localities in the Venezuelan states of Barinas and Mérida ( Spangler 1972, it was later recorded from the state of Aragua ( García 2000). Here, we report additional localities in these three states as well as report it from the state of Trujillo for the first time.

Life history.

This species is found in rock seepage habitats and wet rocks adjacent to waterfalls (Fig. 11A, B View Figure 11 ). Occasionally it is found in the pools that form at the best of these habitats.

Remarks.

We sequenced four specimens from three Venezuelan states across the range of this species (Aragua, Barinas, and Mérida). The sequences are nearly identical (Fig. 1 View Figure 1 ), supporting the concept of a widespread species in the Mérida Andes and Coastal mountains.