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1 September 2009 First Host Records for the Nearctic Species Triraphis discoideus (Hymenoptera: Braconidae: Rogadinae)
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Abstract

Limacodid larvae were collected from 2004 – 2007 on leaves of the following host plants in the District of Columbia and Maryland: Carya glabra, pignut hickory; Quercus alba, white oak; Quercus rubra, northern red oak; Nyssa sylvatica, black gum; Prunus serotina, black cherry; and Fagus grandifolia, American beech. Field-collected larvae were brought to the laboratory where they were kept in isolation for the purpose of rearing parasitoids. The rogadine braconid Triraphis discoideus (Cresson) was reared from the following host-host plant combinations: Acharia stimulea (Clemens), Adoneta spinuloides (Herrich-Schäffer), Lithacodes fasciola (Herrich-Schäffer), and Parasa chloris (Moore) on red oak; Euclea delphinii (Boisduval) on black gum and red oak; Isa textula (Herrich-Schäffer) on American beech, red oak, and white oak; Natada nasoni (Grote) on American beech, black gum, red oak, and white oak; Prolimacodes badia Hübner on black cherry and red oak; and an undetermined species of Tortricidia Packard on American beech. Host use was previously unknown for T. discoideus. Host use and phenology are discussed for Triraphis harrisinae (Ashmead), the only other described species of Triraphis in the Nearctic Region.

Robert R. Kula, John T. Lill, Shannon M. Murphy, and Teresa Stoepler "First Host Records for the Nearctic Species Triraphis discoideus (Hymenoptera: Braconidae: Rogadinae)," Entomological News 120(4), 380-386, (1 September 2009). https://doi.org/10.3157/021.120.0406
Received: 15 September 2008; Accepted: 1 November 2008; Published: 1 September 2009
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