Tropisternus apicipalpis Chevrolat, 1834

Gonzalez-Rodriguez, Liza M., García-Hernández, Andrea L. & Clarkson, Bruno, 2017, First records of water scavenger beetle species (Coleoptera, Hydrophilidae) from Quindío Department, Colombia, Check List 13 (5), pp. 605-620 : 613

Tropisternus apicipalpis Chevrolat, 1834 ( Figs 15, 39)

Hydrophilus apicipalpis Chevrolat 1834: 44 .

Tropisternus apicipalpis (Chevrolat) — Castelnau 1840: 53.

Tropisternus (Cyphostethus) apicipalpis (Chevrolat) — Orchymont 1921b: 364.

Tropisternus (Pristoternus) apicipalpis (Chevrolat) — Orchymont 1943: 54.

Tropisternus agilis Castelnau, 1840: 53 . Syn.: Orchymont 1921b: 364.

Diagnosis. Body 14–16 mm in length. Color black with dark green sheen. Punctation on head fine and strongly impressed. Meso-metaventral process forming a long keel posteriorly projected as a long spine that reaches the anterior third of abdominal ventrite II. Last ventrite with strong spine-like elevation projected posteriad with a tuft of short golden setae at apex. Parameres truncate apically, slightly longer than median lobe, weakly narrower at apex than at base; median lobe acuminate and wide at apex, slightly wider sub-basally; corona U-shaped, apically bifid; phallobase shorter than parameres.

Geographic distribution Argentina, Bolivia, Brazil, Costa Rica, Cuba, Lesser Antilles, Mexico, Nicaragua, Paraguay, and Venezuela. First record from Quindío Department.

Material examined. Colombia, Quindío Department, La Tebaida Municipality, Pizamal neighborhood, 04°24ʹ 46.9ʺ N, 075°50ʹ34.2ʺ W, 1031 m a.m.s.l., 2015-II-04, L.M. González coll., CIUQ 10685–10690 (57 males, 42 females). Montenegro Municipality, El Gigante neighborhood, 04°34ʹ22.3ʺ N, 075°51ʹ11.6ʺ W, 1060 m a.m.s.l., 2007-VIII-30, A.L García coll., CIUQ 13280 (3 males, 1 female). Calarcá Municipality, Planadas Altas neighborhood, 04°27ʹ05.4ʺ N, 075°39ʹ22.3ʺ W, 2900 m a.m.s.l., 2007-IX-15, A.L García coll., CIUQ 13281 (1 male).

Remarks. Specimens were found in marshes and stream margins on stony and muddy substrates and on submerged vegetation.