Nesomyrmex tonsuratus Kempf, 1959

Pazmiño-Palomino, Alex, Troya, Adrián & Arredondo, Brandon S., 2025, Nesomyrmex paquisha: a new rough tree ant species from the isolated Cordillera del Cóndor, Ecuador, Journal of Natural History 59 (17 - 20), pp. 1181-1208 : 1196-1198

Nesomyrmex tonsuratus Kempf

( Figures 8 , 9 )

Material examined.

ECUADOR: 2 ☿; Orellana, Aguarico, Cononaco, Otobo Lodge ; 1.2927°S, 76.2756°W; 237 m; 02 May 2022; M . Barreno, A . Pazmiño leg.; Malaise trap; MECN-EN-HYM 6107,

MECN-EN-HYM 6755. • 1 ☿; Orellana, Francisco de Orellana, Alejandro Labaka, Parque Nacional Yasuní , Guiyero , 4 km from the community of Waorani, Laguna Waorani; 0.625°S, 76.495972°W, 129 m ., 21 May 2008, Troya A.; canopy fogging, MEPN 33517 .

Comments

The diagnostic characteristics that define this species are: dorsal surface of the head smooth and shiny; head length more than 1.1 times mesosoma length; anterior margin of pronotum without carina; humeri rounded; postpetiolar node smooth and shiny; antenna with 11 antennomeres.

Nesomyrmex tonsuratus is unusual in collections, although it is widely distributed in Central and South America ( Table 1). In Ecuador this species was collected using Malaise trap and canopy fogging in Amazonian pristine lowland rainforests.

Figures

Figure 8. Nesomyrmex tonsuratus (Kempf). (A) frontal view; (B) dorsal view; (C) lateral view. Scale bars = 1 mm. Images by B. Arredondo.

Figure 9. Distribution of Nesomyrmex paquisha sp. n. and new Nesomyrmex species records in Ecuador. Image by the authors.