Two new species of Ormyrus Westwood (Hymenoptera: Ormyridae) from Cynipidae (Hymenoptera) galls on Silphium L. (Asteraceae: Heliantheae)

• DOI: 10.11646/zootaxa.5601.2.3
• Publication Date: 2025-03-06T21:58:40Z
• Authors: LOUIS F. NASTASI; CHARLES K. DAVIS; JELANI K. ALCORN; TIMOTHY S. FREY; M. J. HATFIELD; HEATHER M. HINES; JOHN F. TOOKER; ANDREW R. DEANS

Two new species of Ormyrus Westwood, 1832 (Hymenoptera: Chalcidoidea: Ormyridae) are described: myrae Nastasi, Alcorn, & Davis sp. nov. and bellbowl Species parasitoids in insect galls, especially those induced by Cynipidae Cynipoidea), the galls Antistrophus Walsh, 1869 (Cynipidae: Aulacideini) on rosinweeds genus Silphium L. (Asteraceae: Heliantheae). is a parasitoid meganae Tooker Hanks, 2004 stems S. terebinthinaceum Jacq., as well other inducing inconspicuous laciniatum laciniatus Gillette, 1891 terebinthinaceum; latter represents association A. with terebinthinaceum. Previous records O. labotus Walker, 1843 suggested results misidentifications.