Generic redefinition, key and two new species of Acorystus To w ne s (Hymenoptera: Ichneumonidae: Cryptinae) Author Scherrer, Marcus V. Author Santos, Bernardo F. Author Aguiar, Alexandre P. text Zootaxa 2010 2721 28 38 journal article 46934 10.5281/zenodo.199900 e3a0cf2e-8e4c-4e9a-9486-6e97a7f1c93d 1175-5326 199900 Acorystus fulvus Townes ( Figs 12, 13 , 14 ) Acorystus fulvus Townes, 1970 : 226 , 455. Description, figure. Holotype Ψ AEIC. Acorystus fulvus : Yu & Horstmann, 1997 : 209 . Listed. Acorystus fulvus : Yu et al ., 2005 . Listed. Acorystus fulvus : Carrasco 1972 : 327 . Listed; Rodríguez-Berrío et al . 2009 : 8 . Listed. Comments . Readily differentiated from A. albicornis sp. nov. and A. circumflexus sp. nov. by having the head orange, ferruginous near ocelli (vs. head black with whitish marks); propodeum with large punctures separated by about 1.3x their diameter (vs. very short, rather shallow punctures that are separated by at least 4.0x their diameter); and propodeum surface irregular, rugose (vs. propodeum smooth). Material examined. Pictures of the holotype . Distribution. Amazon Basin, Peru . Known only from Santa Isabel (misspelled “Izabel” in the original description), Paucartambo, Peru (around 13º00’00”S 71º18’00”W ) ( Fig. 14 ).