Eurysternus contractus Genier , 2009

Chamorro, William, Marin-Armijos, Diego, senjo, Angelico & Vaz-De-Mello, Fernando Z., 2019, Scarabaeinae dung beetles from Ecuador: a catalog, nomenclatural acts, and distribution records, ZooKeys 826, pp. 1-343 : 136-137

Eurysternus contractus Genier, 2009 Plate 30A

Eurysternus contractus Génier, 2009: 116 (original description. Type locality: Ecuador, Pastaza, 1000 m, Llandia, 17 km N de Puyo).

Eurysternus contractus : Camero 2010: 149 (characters in key), 157 (diagnosis); Krajcik 2012: 107 (complete list of species); Ratcliffe et al. 2015: 195 (cited for Peru); Chamorro et al. 2018: 95 (cited for Ecuador).

Type specimens.

Eurysternus contractus Génier, 2009. The holotype (♂) is deposited at the CMNC (see Génier 2009: 118). Locality: ECUADOR, PAST. 1000 m, Llandia (17 km N Puyo), not examined.

Distribution.

Colombia, Ecuador, and Peru.

Records examined.

LOJA: Loja/Zamora, 1400 m (1 specimen CEMT). MORONA SANTIAGO: Camino Río Chiviaza (1 specimen MECN); Chiguinda Río Blanco, 1730 m (4 specimens MUTPL); San Antonio, Limon Indazo Centro Shuar Wuarints (1 specimen MECN). NAPO: Pacto Sumaco, 1620 m (2 specimens MUTPL). TUNGURAHUA: Baños El Topo, 1590 m (7 specimens CEMT). ZAMORA CHINCHIPE: Chito Río Sangolas, 1800 m (2 specimens MUTPL); Chito Río San Francisco, 1505 m (1 specimen MUTPL); Bombuscaro, Parque Nacional Podocarpus (1 specimen MUTPL); RVS El Zarza campamento las Peñas, Cordillera del Cóndor, conseción El Colibri, 1535 m (1 specimen MUTPL); RVS El Zarza, Cordillera del Cóndor, conseción El Zarza, 1710 m (1 specimen MUTPL); Tundayme campamento Mirador, La Escombrera Norte, 1245 m (1 specimen MUTPL); Zurmi Comunidad Miazi, 1380 m (1 specimen MEPN); Zurmi, Pachikuntza, 1685 m (1 specimen MUTPL); Zurmi, Comunidad La Wants, 1010 m (1 specimen MEPN).

Literature records.

LOJA: Loja ( Génier, 2009: 118); Loja/Zamora, 1400 m ( Génier 2009: 118). MORONA SANTIAGO: Ángel Rouby, sitio 8, 1300 m ( Génier 2009: 118). NAPO: Chonta Yacu road Tena-Coca, 1100 m ( Génier 2009: 118); km 11.1 Sarayacu-Loreto road, 1200 m ( Génier 2009: 118); km 25.4 Sarayacu-Loreto road, 950 m ( Génier 2009: 118); km 7.3 Sarayacu-Loreto road, 1200 m ( Génier 2009: 118); Río Chonta Yacu road Tena-Coca, 1100 m ( Génier 2009: 118). PASTAZA: 1 km E de Mera, 1100 m ( Génier 2009: 118); 22 km SE del Puyo, 900 m ( Génier 2009: 118); 25 km NNE Puyo, 1000 m ( Génier 2009: 118); Arajuno, 400-500 m ( Génier 2009: 118); Cerros de Abitagua, 1200 m ( Génier 2009: 118); Llandia 17 km N del Puyo, 1000 m ( Génier 2009: 118); Puyo environs ( Génier 2009: 118). SUCUMBÍOS: Lombaqui [= Lumbaqui] 800 m ( Génier 2009: 118). TUNGURAHUA: 8 km E Río Negro, 10 km O Pastaza, Shell 1400 m. ZAMORA CHINCHIPE: road Namirez-Zamora km 1, 1000 m ( Génier 2009: 118).

Temporal data.

Collected in every month except March and April.

Remarks.

Inhabits the foothill forests of the Amazon region from 800-1300 m a.s.l. In the Andean region, it was recorded in the evergreen lower montane from 1400-1800 m a.s.l. Collected with pitfall traps baited with carrion and human feces.