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1 September 2009 Marsilea mollis (Marsileaceae) Sporocarps and Associated Insect Parasitism in Southern Arizona
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Abstract

We report observations on reproductive phenology, fecundity, and sporocarp morphology for a population of the semiaquatic fern Marsilea mollis B.L. Rob. & Fernald in southern Arizona and document the parasitic relationships of 2 insects collected with the plants. The recently described weevil Notiodes sporocarpicus O'Brien (Coleoptera: Curculionidae) utilizes the fern's sporocarp as a brood chamber, only the second documented instance of this form of parasitism in the United States. The wasp Lyrcus maculatus (Gahan) (Hymenoptera: Pteromalidae) is a parasitoid of the weevil in this system.

© 2009
Kathryn Mauz and John R. Reeder "Marsilea mollis (Marsileaceae) Sporocarps and Associated Insect Parasitism in Southern Arizona," Western North American Naturalist 69(3), (1 September 2009). https://doi.org/10.3398/064.069.0312
Received: 11 November 2008; Accepted: 1 July 2009; Published: 1 September 2009
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