Nanosaphes punctatus
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Ordo: Coleoptera
Familia: Hydrophilidae
Genus: Nanosaphes
Name
Nanosaphes punctatus Girón & Short, 2018 sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Type material examined
Holotype (male): “SURINAME: Sipaliwini District/ 04°56.871'N, 55°10.911'W, 462 m/ Brownsberg Nature Park, forested/ stream with lots of detritus; leg./ Short, Maier, McIntosh; 4.viii.2012/ SR12-0804-01A” (NZCS). Paratypes: (40): GUYANA: Region XII: “5°0.730'N, 59°38.965'W, 585 m/ Upper Potaro Camp I (c. 7 km/ NW Chenapau), Ridge Trail/ leg. Short, Baca, Salisbury/ 11.iii.2014/ GY14-0311-02A” (32, SEMC, CBDG); “5°10.514'N, 59°28.970'W, 440 m/ Kaieteur National Park, trail by guest-/ house; forest pools; leg. Short/ Salisbury, La Cruz; 21.iii.2014/ GY14-0321-01B” (1, SEMC). SURINAME: Sipaliwini District: same data as holotype (6, SEMC, including DNA vouchers SLE 507 and 508); “3°55'36.0012”, -56°11'17.9952”, 600 m/ Central Suriname Nature Reserve: Tafelberg Summit, nr. Augustus Creek Camp; 17.viii.2013; leg. Short & Bloom; SR13-0817-01A” (1, SEMC, DNA voucher SLE 1069).
Differential diagnosis
Nanosaphes punctatus is readily recognized among its congeners by its coarse elytral ground punctation (as opposed to shallowly punctate) (see Fig. 15E, F). In addition, the dorsal outline in lateral view is more convex in comparison.
Description
Body length 1.2–1.4 mm, width 0.7–0.9 mm. Body elongate oval, moderately convex, uniformly brown throughout (see Fig. 15E–H). Dorsal surface coarsely punctate. Posterior elevation of mesoventrite flat. Pubescence of ventral surface scanty. Aedeagus (Fig. 18D) with basal piece 0.4-times the length of parameres; parameres nearly as long as median lobe, with round apex; gonopore situated near apex of median lobe.
Etymology
Named in reference to the relative coarseness of the dorsal punctation of the species, with the Latin word puncta meaning puncture.
Distribution
Guyana, Suriname. Elevation range 440–585 m. See Fig. 19.
Biology
This species was collected in small forested streams and pools with abundant detritus (Fig. 20B).
Original Description
- Girón, J; Short, A; 2018: Three new genera of acidocerine water scavenger beetles from tropical South America (Coleoptera, Hydrophilidae, Acidocerinae) ZooKeys, (768): 113-158. doi
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