The Ichneumonidae is a large insect family with over 4,900 species in the Nearctic region (Yu et al. 2005). Ichneumonids are obligate parasit oids, or hyperparasitoids, but they have not been used as successfully as classical biological control agents as hymenopteran families within Chal cidoidea and the Braconidae (Daly et al. 1998). Dolichomitus irritator (F.) (Ichneumonidae: Pim plinae) is common in woodland and brush habi tats in eastern North America (Townes & Townes 1960) and occurs south to Costa Rica (Cancino et al. 2010). Dolichomitus irritator larvae are exter nal parasites (Chittenden 1893) of larvae of wood boring insects (Townes & Townes 1960). Table 1 lists previously known insect hosts on which de velopment of D. irritator has been witnessed or implied and the associated plant relationship. Unequivocal host records are very difficult to at tain for parasites of wood boring insects and these records are often inferred from rearing parasite and host in the same logs. Dectes texanus LeConte, is a native, univoltine, cerambycid beetle that, as a larva, primarily feeds within herbaceous plants in the Asteraceae over much of North America (Lingafelter 2007). Falter (1969) and Hatchett et al. (1973) first docu mented a host switch from plants in Asteraceae to soybeans (Glycine max (L.) Merr.; Fabales: Fabaceae). Since then, D. texanus larvae have been noted as a pest of soybeans in 14 U.S. states (Buschman & Sloderbeck 2010). Several species of braconids, ichneumonids, and pteromalids are known to parasitize D. texanus larvae in gi ant ragweed (Ambrosia trifida L.) (Hatchett et al. 1975); however, in soybean D. texanus larvae are known to be parasitized only by pteromalid wasps (Undall, unpublished data) and a tachinid fly, Zelia tricolor (Coquillett) (Tindall & Fother gill 2010). Discovery of parasitoids of D. texanus larvae within soybeans offers opportunity for producers to manage for biological control within soybean production systems. Soybean stems (i.e., stubble) were collected from a soybean field harvested in the fall of 2009 on 23 Mar 2010 in New Madrid County, Missouri (N 36.42482° W -89.64933°). From this set, 480 were selected based on the presence of a frass plug, an indicator of occupancy by D. texanus (Hatchett et al. 1975), and subsequently kept in an insect rearing room (16:8 h L:D, 24 °C). Five D. irritator were recovered from these stems (Table 2). Three additional individuals were found dur ing other stubble-based D. texanus survey work from soybean stems from the same field (Table 2). The D. irritator specimens recovered were sent to the American Entomological Institute (Gainesville, Florida) for identification by Dr. Da vid Wahl. Six of the specimens were retained by the American Entomological Institute collection and 2 are deposited in the collection of KVT. D. texanus as the insect host for these D. irritator is