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1 September 2003 Loberus Impressus (LeConte) (Coleoptera: Erotylidae) Fungal Associations and Presence in the Seed Capsules of Iris Hexagona
Peter A. Van Zandt, Victor R. Townsend Jr., Christopher E. Carlton, Meredith Blackwell, Susan Mopper
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Abstract

Adults and larvae of the loberine erotylid beetle Loberus impressus (LeConte) were found associated with fungi growing on corolla and seed capsule tissue of the blue flag iris, Iris hexagona. We examined adult beetle specimens using light and scanning electron microscopy to determine if specialized structures (mycangia) may function in transporting fungi. Two pairs of deep pits on the ventral aspect of the gena between the eyes and the maxillae of both sexes contained fungal spores and hyphae, suggesting a possible role as mycangia in addition to their role as glandular outlets. Inoculation from the surface of cleaned beetle specimens produced colonies of Cladosporium and Fusarium. These genera are widespread, usually air-dispersed conidial fungi that sometimes are associated with insects.

Peter A. Van Zandt, Victor R. Townsend Jr., Christopher E. Carlton, Meredith Blackwell, and Susan Mopper "Loberus Impressus (LeConte) (Coleoptera: Erotylidae) Fungal Associations and Presence in the Seed Capsules of Iris Hexagona," The Coleopterists Bulletin 57(3), 281-288, (1 September 2003). https://doi.org/10.1649/553
Received: 3 October 2001; Accepted: 1 December 2001; Published: 1 September 2003
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