Sphenochernes bruchi (Mello-Leitão, 1925)

Chelifer bruchi Mello-Leitão, 1925; Bruch 1937a, 1937b.

Rhopalochernes bruchi (Mello-Leitão, 1925): Mello-Leitão 1939a.

CÓRDOBA (Mello-Leitão 1939a; Ceballos & Rosso de Ferradás 2008a); BUENOS AIRES: La Plata (type locality), C. Bruch leg., 1 ex. (type), no. 13, coll. Mello-Leitão, in nests of Acromyrmex lundi Guérin, 1838 ( Hymenoptera: Formicidae) (Mello-Leitão 1925); La Plata, holotype, no. 10411 (MNRJ), formerly ML 13 (MNRJ), in nests of A. lundi (transcription of labels), not located (MNRJ), this material is not in Museo de La Plata (Luis A. Pereira, pers. comm.) (Kury & Nogueira 1999), no. 10411 (MNRJ), no. ML 13 (MNRJ) (Ceballos & Rosso de Ferradás 2008a); Monte Veloz, Ea. “San Gerónimo”, in nests of A. lundi, in nests of Ctenomys talarum talarum Thomas, 1898 ( Rodentia: Cricetidae) (Bruch 1937a); near Chascomús, I-1937, J.B. Daguerre leg., in nests of A. lundi (Bruch 1937b) .

Note. According to Mello-Leitão (1925), “vive, aos milhares, nos ninhos de Acromyrmex lundi ” (observation and specimens communicated by Carlos Bruch). It is also “común en los nidos y conductos anexos [of Ctenomys talarum talarum Thomas, Mammalia: Rodentia], que resulta idéntico a Chelifer Bruchi M. Leitao, sumamente frecuente en nidos de nuestra hormiga podadora Acromyrmex lundi ” (Bruch 1937a).