Hydrometra argentina Berg, 1879

Padilla-Gil, Dora N., 2013, A review of the species of Hydrometra Latreille occurring in Colombia, with a key to species and distribution map (Hemiptera: Heteroptera: Hydrometridae), Zootaxa 3686 (5), pp. 534-542 : 534-536

Hydrometra argentina Berg, 1879

Material examined. COLOMBIA, Cundinamarca, Tena, Laguna de Pedro Palo, 16 VI 1991, 1 male brac, 1 female brac D. N. Padilla, leg. (PSO-CZ).

Brachypterous male BL 11.86; Ant, I–IV: 0.50, 1.00, 2.20, 0.92; AO /PO 2.00; LA 4.60. Brac female BL 16.13; Ant, I–IV: 0.50, 0.90, 2.16, 1.06; AO /PO 2.00; LA 8.13.

Diagnosis. Clypeus with tip rounded and translucid ( Fig. 2); male abdominal sternite VI with a pair of median spines near anterior margin ( Fig. 3 ); female with abdominal tergite VIII with posterior margin prolonged in a spine.

Distribution in Colombia ( Fig. 1 ): Antioquia: La Unión, 2500 m (and). Cundinamarca: Tena, Laguna de Pedro Palo, 2000 m (and). Meta: Puerto López, 365 m (ori).

Distribution in America: Panama, Colombia, Venezuela, Trinidad & Tobago, Ecuador, Suriname, Brazil, Peru, Bolivia, Chile, Paraguay, Argentina , and Uruguay.

Hydrometra caraiba Guérin-Méneville, 1856

Material examined. COLOMBIA, Nariño, Tumaco, Mar Agrícola, 1º41’ N, 78º44’ W, 10 m, 22 VI 2010, 1 female brac, D. N. Padilla, leg. (PSO-CZ).

Brachypterous female BL 18.2; Ant, I–IV: 0.76, 1.76, 6.13, 2.20; AO /PO 2.28; LA 7.20

Diagnosis. Clypeus with a blunt medial projection ( Fig. 4); male abdominal sternite VI with a pair of U-shaped ridges bearing short setae on middle of the segment.

Distribution in Colombia ( Fig. 1 ): Atlántico: Puerto Colombia, Bocas de Ceniza, 0 m (car). Antioquia (and). Cesar: El Paso, Ciénaga Mata de Palma, 53 m (car). Magdalena: Aracataca, 40 m (car); Zona Bananera, RíoFrío, 144 m (car). Nariño: Tumaco, Mar Agrícola, 10 m (pac). Quindío: Armenia, 1551 m (and); Calarcá, 1536 m (and); Córdoba, 1700 m (and); La Tebaida, 1190 m (and); Montenegro, 1294 m (and). Valle del Cauca: Alcalá, 1290 m (and).

Distribution in America: Mexico, Cuba, Haiti, Jamaica, Guatemala, Puerto Rico, Guadeloupe, Honduras, Nicaragua, Martinique, El Salvador, Costa Rica, Trinidad & Tobago, Panama, Colombia, Ecuador, Venezuela, Guyana, Brazil, and Peru.

Figures

FIGURE 1. Distribution of Hydrometra species from Colombia. Black circle: H. caraiba; triangle: H. argentina; square: H. comata; white circle: H. guianana; pentagon: H. exalla. Departments of Colombia: 1 Atlántico, 2 Magdalena, 3 Cesar, 4 Antioquia, 5 Quindío, 6 Cundinamarca, 7 Meta, 8 Valle del Cauca, 9 Nariño.

FIGURE 3. Hydrometra argentina male, apical segments of the abdomen, lateral view. Scale 0.10 mm.