New Species, Host Record, and Male Discovery for Three Messatoporus Cushman (Hymenoptera, Ichneumonidae, Cryptinae) from Brazil.

Messatoporus bisignatus Aguiar & Supeleto, sp. nov. is described and illustrated.

Two new Dismodix Townes (Hymenoptera, Ichneumonidae, Cryptinae) with an exceptionally broad occipital carina.

Dismodix colai sp. nov., from a reforested legal reserve of Atlantic Forest in southeastern Brazil, and D.

A new and unusual Digonocryptus Viereck (Hymenoptera, Ichneumonidae,Cryptinae), with notes on two other rare species.

Digonocryptus magnus sp. nov., from French Guyana, is described and illustrated, and new records, morphological and morphometric data are presented for two other rare species, D.

Revision of Fortipalpa Kasparyan & Ruíz-Cancino, (Ichneumonidae, Cryptinae).

Fortipalpa Kasparyan & Ruíz-Cancino, 2007 originally accommodates only its type species, F. yucatanica Kasparyan & Ruíz-Cancino, 2007. The genus can be distinguished from all other Neotropical Cryptini by having mandible with ventral tooth subequal to slightly longer than dorsal tooth; propodeum anteriorly smooth, posteriorly with transverse striation; T1 long and slender, without anterolateral tooth; and ovipositor moderately long and straight, with ventral valve without a lobe covering dorsal valve.

One hundred new records, a new species, and the first pictures of Agonocryptus Cushman (Hymenoptera, Ichneumonidae, Cryptinae).

Updated distribution maps are provided for all known species of Agonocryptus, with 115 new distribution records for 16 species, an expansion from 166 to 281 unique coordinates, or nearly 70%, in relation to what was previously published. A new species is proposed, A. glaphyrus sp.

A new species, key and further redefinition of Nesolinoceras Ashmead (Hymenoptera, Ichneumonidae, Cryptinae).

A new species of Nesolinoceras Ashmead from the Dominican Republic is described and illustrated. A key to the species and a revised and expanded distribution map is presented. This is the third species recognized for the genus, and the first one confirmed to occur in high altitude (1100 m).

A new species and southernmost record of Cestrus Townes (Hymenoptera, Ichneumonidae, Cryptinae).

Cestrus itatiensis sp. nov., from the Brazilian Atlantic Forest, is described and illustrated.

Species delimitation, environmental cline and phylogeny for a new Neotropical genus of Cryptinae (Ichneumonidae).

A morphologically unusual Cryptini, Cryptoxenodon gen. nov. Supeleto, Santos & Aguiar, is described and illustrated, with a single species, C.